VisionSystems - Smart Vision Lights

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VisionSystems
AUGUST 2009
www.vision-systems.com
VISION AND AUTOMATION SOLUTIONS
FOR ENGINEERS AND INTEGRATORS WORLDWIDE
D E S I G N
®
Smart
Cameras
Embedded software
eases applications
Wind Power
Thermography inspects
turbine blades
Defect
Detection
Automating automotive
glass inspection
Camera
Standards
Making Camera
Link faster
Barcode
Reading
Vision checks
pesticide
packages
Official sponsor of
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A lot on top.
N ew
Versi
o
9.0
n
+++ Usability +++ Speedup +++ 3D +++ Matching +++
HALCON 9.0 is the cream of machine vision.
It’s the sweet somethings on top that makes life richer and
more enjoyable. That’s why we've enriched HALCON 9.0
with lots of special treats: enhanced performance, a completely new matching technology, processing of extremely
large images and much more. Yummy!
For more information: www.halconists.com
A product of MVTec
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DISCOVER THE INNOVATION OF BLUE
Falcon cameras feature true global shutter and DALSA’s own sensor technology for
the best CMOS image quality in the industry. Falcon cameras provide solutions for high
speed, high resolution systems, through fast frame rates and multi-megapixel imaging.
Falcon 1.4M100
Falcon 4M60 Color
> 1400 x 1024 resolution @ 100 fps
> 2352 x 1728 resolution @ 60 fps
> Compact body (44mm x 44mm x 44mm)
> Vertical windowing for higher frame rates
> Excellent Near-Infrared Response
> Folded optics adapter available for closer
spacing of multiple camera fields of view
Discover the innovation of DALSA machine vision
Download product specifications and white paper: “Electronic Shuttering for High Speed Machine Vision Applications”
www.dalsa.com/falcon/v8
Falcon™ cameras are fully compatible with DALSA’s Sapera Essential Vision Software.
www.dalsa.com/mv
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Area Scan Cameras
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Line Scan Cameras
www.baslerweb.com/aviator
High-end Performance Meets
Mainstream Pricing!
One megapixel CCD sensor at 120 fps
for high-speed throughput
Two megapixel CCD sensor variants
(4:3 and HDTV aspect ratios) available soon
Basler’s unique tap balancing technique
yields brilliant image quality
A CameraLink ® interface for fast
data transmission
Sets a new price/performance ratio standard
See the entire range of Basler area scan cameras. Discover the unique “Made in Germany” superior Basler quality.
click. see. smile!
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August 2009
VOL. 14 | NO. 8
D E S I G N
Vision and Automation Solutions for
Engineers and Integrators Worldwide
A
®
A P EN N W EL L P U B L I C AT I O N
C ove r St o r y
Custom lighting lets vision system read
pesticide packaging codes. (See p. 11.
Photo courtesy of Smart Vision Lights)
23
f e ature s
d ep ar tment s
INDUS T RIAL AU TOMAT ION PRODUC T S
7
Vision measures diesel
engine injectors
Eye Defense
Robots and linescan-based vision system team
New CMOS sensor aimed
at scientific applications
for automated inspection of protective eyewear
Andrew Wilson
Snapshots
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Technology Trends
IMAGE CAPTURE
Vision system reads pesticide packages
31
INDUS T RY S OL U T IONS P ROFIL E
INTERFACE STANDARDS
Bright Light
TRADE SHOW REVIEW
Future Camera Link standards emerge
Lights, cameras, and action highlight
Robots & Vision Show
Inspection system uses multiple Camera Link
linescan cameras and brightfield illumination
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to boost production of automotive glass
49
Vision+Automation Products
Winn Hardin
55
Ad Index/Sales Offices
SP OT L IGH T
Blade Scanner
Lock-in thermography system finds cracks
and delaminations inside fiber-reinforced plastic
wind-turbine blades
C.G. Masi
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D E S I G N
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Inside Vision • Gearing up
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My View • A glowing future
PRODUC T F OC US
Embedded Intelligence
Smart camera vendors are leveraging embedded
• Complete Archives • White Papers
processors and on-board software to increase
• Industry News
• Feedback Forum
the ease of use of their products
• Buyers Guide
• Free e-newsletter
Andrew Wilson
• Webcasts
• Video Library
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ww.vision-s y stems .c om
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VisionSystems
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VISION SYSTEMS DESIGN
August 2009
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Vision Systems Design is pleased to present Application and Implementation of Vision, the fifth in its series of Webcasts on The Fundamentals of Machine Vision. Archived on vision-systems.com, and currently
available On Demand, this Webcast, provides an unbiased, objective look at the basics of machine vision
with real-world examples of how machine-vision systems can be implemented.
The Fundamentals of Machine Vision
Application and
Implementation of Vision
This is the fith Webcast in the series Fundamentals of Machine Vision.
This Webcast describes describes the steps necessary to implement
a machine-vision system in a real-world environment. These steps
include: determining system requirements and assessing technology
such as cameras, lighting, software, and network interfaces; selecting suppliers; and machine acceptance, launch, and debugging of
vision systems in different applications. The speaker will also describe some of the lessons learned from installing systems, and will
show how to use statistics and Six Sigma tools for vision system acceptance.
Who Should Attend: Engineers and system integrators responsible for
developing, designing, specifying, or reviewing machine vision components and systems
Bolhouse, well-known machine-vision
expert and former vision specialist at Ford Motor Company, presents a series of Webcasts on
the fundamentals of machine vision. Designed
to provide developers with an overview of the
critical design and performance aspects of
machine-vision components and systems, these
Webcasts also give experienced engineers and
integrators new insights into solving system design challenges.
h ll
Valerie
Register for FREE on www.vision-systems.com
Sponsored by
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VisionSystems
D E S I G N
W. Conard Holton: Editor in Chief
Tel.: (603) 891-9161; e-mail: [email protected]
Carrie Meadows: Managing Editor
Winn Hardin: Contributing Editor
e-mail: [email protected]
C.G. Masi: Contributing Editor
Sharon MacLeod: Senior Executive Assistant
Joni Montemagno: Marketing Manager
Suzanne Heiser: Art Director
Mari Rodriguez: Production Director
Dan Rodd: Senior Illustrator
Diane Giannini: Web Publisher
Debbie Bouley: Audience Development Manager
James Kirkland: Ad Services Manager
EDITORIAL OFFICES:
PennWell
Vision Systems Design
98 Spit Brook Road, LL-1, Nashua, NH 03062-5737
Tel: (603) 891-0123; FAX: (603) 891-0574
CORPORATE OFFICERS:
Frank T. Lauinger: Chairman
Robert F. Biolchini: President and CEO
Mark Wilmoth: Chief Financial Officer
TECHNOLOGY GROUP:
Christine A. Shaw: Senior Vice President /
Group Publishing Director
Gloria Adams: Senior VP,
Audience Development & Book Publishing
Tom Cintorino: Senior Vice President,
Internet Services
For subscription inquiries: Tel.: (847) 559-7520;
Fax: (847) 291-4816; e-mail: [email protected];
web: www.vsd-subscribe.com
We make portions of our subscriber list available
to carefully screened companies that offer products
and services that may be important for your work.
If you do not want to receive those offers and/or
information, please let us know by contacting
us at List Services / Vision Systems Design,
98 Spit Brook Road, LL-1, Nashua, NH 03062-5737.
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inside
vision
Kathy Bush: Group Publisher
Andrew Wilson: Editor
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Gearing Up
Every year, the show organizers at Messe Stuttgart hold a press conference
to promote the world’s largest machine-vision exposition, VISION, which
will be held November 3–5, 2009. Leading off last month’s press conference, Thomas Walter, director of the industrial solutions division of Messe
Stuttgart, spoke of new incentives to attract visitors. These will include a
three-day series of talks featuring more than 40 speakers, tutorial workshops
to introduce engineers to machine-vision technology, a system integration area showing
machine-vision systems in action, and an area devoted to automotive applications.
Thinking about the future, VISION will now include a youth research competition that will
provide 17–20-year-old students an exhibition stand for their machine-vision projects. Moreover, innovative German startup companies will be provided 80% of the funds needed for an
exhibition booth by the German government. Topping this off, the show organizers expect
more than 6000 attendees to visit the 300 exhibitors—roughly the same as in 2008.
After Walter’s positive outlook, however, Dietmar Ley, chairman of the VDMA Machine
Vision Group, brought a dose of reality by predicting that if the current business trend continues, turnover in the German machine-vision industry will probably fall in 2009 by 30%, to
€854 million—the same level of 2003. The glimmer of hope in Ley’s presentation related to
new opportunities for machine vision in areas outside of industrial production, specifically
security, agriculture, biomedical fields, and traffic monitoring.
Winds of change
Some of the new applications covered in this issue as well as traditional applications of machine
vision in manufacturing bode well for the machine-vision industry as global markets begin to
recover from recession. For example, wind turbine power has been expanding at double-digit
rates and has been identified in a recent study by the Automated Imaging Association as a growth
opportunity for machine vision. In this issue, an article by contributing editor Charlie Masi
describes how a thermography-based automated inspection system is being used to find cracks
and delaminations in turbine blades and keep wind turbine power systems in operation.
Machine vision in traditional manufacturing continues to improve product quality as shown in
an article by contributing editor Winn Hardin on automotive glass inspection. Another by editor
Andy Wilson describes a robotic work cell for inspecting military protective eyewear. Finally, in this
month’s Product Focus, Wilson describes how many innovative smart-camera vendors are making
their products easier to use by leveraging embedded processors and on-board software.
Innovation remains the fundamental ingredient in successful machine-vision products and
trade shows. This year, it will be on full display in Stuttgart, provided by students of machine
vision, entrepreneurs, and well-established component vendors and system integrators.
W. Conard Holton, EDITOR IN CHIEF
[email protected]
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UNIQUE HIGH SPEED
CMOS CAMERAS
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UNIQUE FEATURES OF THE FASTCAMERA SERIES
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snapshots
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Short takes on the
leading edge
Vision measures diesel engine injectors
In the automotive market, dimensional problems during production of diesel engine injectors may cause problems in engine performance
or fuel consumption. During production, injectors pass through several shaping operations
before reaching the burr removal station, which
is the last phase before packaging.
Traditionally, the injectors are manually
inspected by operators, which is not cost
effective and is subject to human error. Consequently, an industrial vision system was
developed by Vistek (Istanbul, Turkey; www.
___
vistekas.com) for Bosch
Sanayi ve Ticaret to
________________
automate dimensional measurements with
50-μm precision. The burr removal station
was the most suitable point to install the
vision system and execute dimensional controls. Since the dimensional control opera-
tions are performed concurrently with the burr removal
process, the system does not
require additional time in the
production cycle.
To achieve the desired precision of nine height and diameter measurements, the injectors
are divided into eight subsections. The system captures one
image for each section with a
high-resolution camera from
IDS (Obersulm, Germany; www.ids-imag
ing.de) and then performs image processing
____
separately. The camera is mounted on a vertically moving platform to image different sections of each injector. The vision software was
developed using the Halcon interactive devel-
opment environment (IDE) HDevelop from
MVTec Software (Munich, Germany; www.
___
mvtec.com). Total inspection time for each
_______
injector is 7–9 s. A ______________
more complete system
description is available on the Vision Systems
Design web site.
New CMOS sensor aimed at scientific applications
Researchers from three imaging compa- Fairchild Imaging (Milpitas, CA, USA;
nies announced development of the Sci- www.fairchildimaging.com), and PCO
entific CMOS (sCMOS; www.
___
sCMOS (1.5 e- noise) Interline CCD (5 e- noise)
scmos.com) during Laser
World of Photonics, held in
Munich, Germany in June
LED 1
2009. The new device offers a
number of features that operate
simultaneously: extremely low
noise, rapid frame rates, wide
LED 2
dynamic range, high quantum
efficiency, high resolution, and
a large field of view.
The sensor was cooperatively
developed by Andor Technology
(Belfast, UK; www.andor.com),
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(Kelheim, Germany; www.pco.de), and has
applications in biomedical research, astronomy, and security and defense.
The researchers said that sCMOS
can be considered unique in its ability to concurrently deliver on several
key parameters. Performance highlights of the first sCMOS technology sensor include 5.5-Mpixel (2560
× 2160 pixels) format; read noise of
<2 e- rms @ 30 frames/s and <3 erms @ 100 frames/s; 100-frames/s
maximum rate; 6.5-mm pixel size;
dynamic range of >16,000:1 @ 30
frames/s; QEmax of 60%; and rolling or global shutter.
August 2009
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𰀽𰁞𰁜𰁝𰀕𰁆𰁪𰁖𰁡𰁞𰁩𰁮𰀕𰀹𰁞𰁜𰁞𰁩𰁖𰁡𰀕𰀸𰁖𰁢𰁚𰁧𰁖𰁨𰀕𰀕
𰁛𰁤𰁧𰀕𰁋𰁞𰁨𰁞𰁤𰁣𰀕𰀶𰁥𰁥𰁡𰁞𰁘𰁖𰁩𰁞𰁤𰁣𰁨𰀯
𰁎𰁤𰁪𰁧𰀕𰀾𰁢𰁖𰁜𰁞𰁣𰁖𰁩𰁞𰁤𰁣𰀕𰀕
𰁞𰁨𰀕𰁤𰁪𰁧𰀕𰁘𰁝𰁖𰁡𰁡𰁚𰁣𰁜𰁚
𰁉𰁝𰁚𰀕𰁪𰀺𰁮𰁚𰂜𰀕𰀕
𰀾𰁣𰁙𰁪𰁨𰁩𰁧𰁞𰁖𰁡𰀕𰀸𰁖𰁢𰁚𰁧𰁖𰀕𰁈𰁚𰁧𰁞𰁚𰁨
𰀾𰀹𰁈𰀕𰀼𰁢𰁗𰀽𰀕𰁞𰁨𰀕𰁖𰀕𰁢𰁖𰁣𰁪𰁛𰁖𰁘𰁩𰁪𰁧𰁚𰁧𰀕𰁤𰁛𰀕𰁝𰁞𰁜𰁝𰀕𰁦𰁪𰁖𰁡𰁞𰁩𰁮𰀕
𰁊𰁈𰀷𰀕𰁖𰁣𰁙𰀕𰀼𰁞𰁜𰁖𰁗𰁞𰁩𰀕𰀺𰁩𰁝𰁚𰁧𰁣𰁚𰁩𰀕𰁞𰁣𰁙𰁪𰁨𰁩𰁧𰁞𰁖𰁡𰀕𰁘𰁖𰁢𰁚𰀢
𰁧𰁖𰁨𰀣𰀕𰀕
𰁪𰀺𰁮𰁚𰀕𰁘𰁖𰁢𰁚𰁧𰁖𰁨𰀕𰁖𰁧𰁚𰀕𰁙𰁚𰁨𰁞𰁜𰁣𰁚𰁙𰀕𰁩𰁤𰀕𰁢𰁚𰁚𰁩𰀕𰁖𰁡𰁡𰀕
𰁧𰁚𰁦𰁪𰁞𰁧𰁚𰁢𰁚𰁣𰁩𰁨𰀕𰁖𰀕𰁘𰁪𰁨𰁩𰁤𰁢𰁚𰁧𰀕𰁢𰁖𰁮𰀕𰁝𰁖𰁫𰁚𰀡𰀕𰁛𰁧𰁤𰁢𰀕
𰁖𰀕𰁥𰁝𰁮𰁨𰁞𰁘𰁖𰁡𰀕𰁨𰁩𰁖𰁣𰁙𰁥𰁤𰁞𰁣𰁩𰀕𰁬𰁝𰁚𰁧𰁚𰀕𰁨𰁢𰁖𰁡𰁡𰀕𰁛𰁤𰁧𰁢𰀢
𰁛𰁖𰁘𰁩𰁤𰁧𰀕𰁞𰁨𰀕𰁧𰁚𰁦𰁪𰁞𰁧𰁚𰁙𰀡𰀕𰁩𰁤𰀕𰁖𰀕𰃒𰁣𰁖𰁣𰁘𰁞𰁖𰁡𰀕𰁨𰁩𰁖𰁣𰁙𰁥𰁤𰁞𰁣𰁩𰀡𰀕
𰁬𰁝𰁚𰁧𰁚𰀕𰁖𰀕𰁡𰁤𰁬𰀢𰁘𰁤𰁨𰁩𰀕𰁨𰁤𰁡𰁪𰁩𰁞𰁤𰁣𰀕𰁞𰁨𰀕𰁣𰁚𰁚𰁙𰁚𰁙𰀕𰁬𰁝𰁞𰁡𰁚𰀕
𰁨𰁩𰁞𰁡𰁡𰀕𰁢𰁖𰁞𰁣𰁩𰁖𰁞𰁣𰁞𰁣𰁜𰀕𰁝𰁞𰁜𰁝𰀕𰁨𰁩𰁖𰁣𰁙𰁖𰁧𰁙𰁨𰀕𰁞𰁣𰀕𰁦𰁪𰁖𰁡𰁞𰁩𰁮𰀕
𰁖𰁣𰁙𰀕𰁥𰁚𰁧𰁛𰁤𰁧𰁢𰁖𰁣𰁘𰁚𰀣𰀕𰀕𰁇𰁪𰁜𰁜𰁚𰁙𰀕𰁘𰁖𰁢𰁚𰁧𰁖𰀕𰁢𰁤𰁙𰁚𰁡𰁨𰀕
𰁘𰁤𰁢𰁥𰁡𰁞𰁖𰁣𰁩𰀕𰁬𰁞𰁩𰁝𰀕𰁩𰁝𰁚𰀕𰀾𰁅𰀫𰀪𰀤𰀫𰀬𰀕𰁨𰁩𰁖𰁣𰁙𰁖𰁧𰁙𰁨𰀕𰁖𰁣𰁙𰀕
𰁙𰁚𰁨𰁞𰁜𰁣𰁚𰁙𰀕𰁛𰁤𰁧𰀕𰁧𰁤𰁪𰁜𰁝𰀕𰁚𰁣𰁫𰁞𰁧𰁤𰁣𰁢𰁚𰁣𰁩𰁨𰀕𰁖𰁧𰁚𰀕𰁖𰁡𰁨𰁤𰀕
𰁉𰁝𰁚𰁮𰃉𰁧𰁚𰀕𰁝𰁚𰁖𰁙𰁦𰁪𰁖𰁧𰁩𰁚𰁧𰁚𰁙𰀕𰁞𰁣𰀕𰁄𰁗𰁚𰁧𰁨𰁪𰁡𰁢𰀡𰀕𰀼𰁚𰁧𰀢
𰁢𰁖𰁣𰁮𰀕𰁖𰁣𰁙𰀕𰁝𰁖𰁫𰁚𰀕𰁖𰀕𰁨𰁩𰁖𰁛𰁛𰀕𰁤𰁛𰀕𰁖𰁥𰁥𰁧𰁤𰁭𰀣𰀕𰀭𰀥𰀕𰁚𰁢𰁥𰁡𰁤𰀢
𰁮𰁚𰁚𰁨𰀣𰀕𰀾𰀹𰁈𰀕𰀾𰁣𰁘𰀡𰀕𰁩𰁝𰁚𰁞𰁧𰀕𰁊𰁈𰀕𰁨𰁪𰁗𰁨𰁞𰁙𰁞𰁖𰁧𰁮𰀕𰁞𰁨𰀕𰁡𰁤𰁘𰁖𰁩𰁚𰁙𰀕
𰁞𰁣𰀕𰁌𰁤𰁗𰁪𰁧𰁣𰀡𰀕𰁂𰁖𰁨𰁨𰁖𰁘𰁝𰁪𰁨𰁚𰁩𰁩𰁨𰀣𰀕𰀕𰁉𰁝𰁚𰀕𰁘𰁤𰁢𰁥𰁖𰁣𰁮𰀕
𰁖𰁡𰁨𰁤𰀕𰁝𰁖𰁨𰀕𰁖𰀕𰁬𰁤𰁧𰁡𰁙𰁬𰁞𰁙𰁚𰀕𰁥𰁧𰁚𰁨𰁚𰁣𰁘𰁚𰀕𰁩𰁝𰁧𰁤𰁪𰁜𰁝𰀕𰁖𰀕
𰁣𰁚𰁩𰁬𰁤𰁧𰁠𰀕𰁤𰁛𰀕𰁙𰁞𰁨𰁩𰁧𰁞𰁗𰁪𰁩𰁤𰁧𰁨𰀣𰀕
𰁉𰁝𰁚𰁮𰀕𰁤𰁛𰁛𰁚𰁧𰀕𰁘𰁖𰁢𰁚𰁧𰁖𰁨𰀕𰁛𰁤𰁧𰀕𰁗𰁤𰁩𰁝𰀕𰁞𰁣𰁩𰁚𰁧𰁛𰁖𰁘𰁚𰁨𰀕
𰁪𰁣𰁙𰁚𰁧𰀕𰁩𰁝𰁚𰀕𰁬𰁚𰁡𰁡𰀢𰁠𰁣𰁤𰁬𰁣𰀕𰁪𰀺𰁮𰁚𰂜𰀕𰁘𰁖𰁢𰁚𰁧𰁖𰀕𰁨𰁚𰁧𰁞𰁚𰁨𰀕
𰁬𰁝𰁞𰁘𰁝𰀕𰁘𰁪𰁧𰁧𰁚𰁣𰁩𰁡𰁮𰀕𰁞𰁣𰁘𰁡𰁪𰁙𰁚𰁨𰀕𰁨𰁚𰁫𰁚𰁣𰀕𰁘𰁖𰁢𰁚𰁧𰁖𰀕
𰁛𰁖𰁢𰁞𰁡𰁞𰁚𰁨𰀕𰁖𰁣𰁙𰀕𰁤𰁫𰁚𰁧𰀕𰀦𰀥𰀥𰀕𰁢𰁤𰁙𰁚𰁡𰁨𰀣𰀕𰁉𰁝𰁚𰁮𰀕𰁘𰁖𰁩𰁚𰁧𰀕
𰁢𰁤𰁨𰁩𰀕𰁘𰁪𰁨𰁩𰁤𰁢𰁚𰁧𰁨𰀕𰁢𰁖𰁮𰀕𰁝𰁖𰁫𰁚𰀣𰀕𰀽𰁤𰁬𰁚𰁫𰁚𰁧𰀡𰀕
𰁨𰁤𰁢𰁚𰁩𰁞𰁢𰁚𰁨𰀕𰁖𰀕𰁘𰁪𰁨𰁩𰁤𰁢𰀕𰁙𰁚𰁨𰁞𰁜𰁣𰀕𰁞𰁨𰀕𰁣𰁚𰁚𰁙𰁚𰁙𰀣𰀕𰀾𰀹𰁈𰀕
𰀾𰁢𰁖𰁜𰁞𰁣𰁜𰀕𰁚𰁢𰁥𰁡𰁤𰁮𰁨𰀕𰁖𰀕𰁩𰁚𰁖𰁢𰀕𰁤𰁛𰀕𰁚𰁣𰁜𰁞𰁣𰁚𰁚𰁧𰁨𰀕𰁩𰁝𰁖𰁩𰀕
𰁨𰁥𰁚𰁘𰁞𰁖𰁡𰁞𰁯𰁚𰀕𰁞𰁣𰀕𰁩𰁝𰁚𰀕𰁘𰁪𰁨𰁩𰁤𰁢𰁞𰁯𰁖𰁩𰁞𰁤𰁣𰀕𰁤𰁛𰀕𰁚𰁭𰁞𰁨𰁩𰁞𰁣𰁜𰀕
𰁢𰁤𰁙𰁚𰁡𰁨𰀕𰁖𰁣𰁙𰀕𰁤𰁣𰀕𰁩𰁝𰁚𰀕𰁙𰁚𰁨𰁞𰁜𰁣𰀕𰁤𰁛𰀕𰁗𰁧𰁖𰁣𰁙𰀢𰁣𰁚𰁬𰀕
𰁢𰁤𰁙𰁚𰁡𰁨𰀕𰁙𰁚𰁨𰁞𰁜𰁣𰁚𰁙𰀕𰁖𰁧𰁤𰁪𰁣𰁙𰀕𰁩𰁝𰁚𰀕𰁘𰁪𰁨𰁩𰁤𰁢𰀕
𰁧𰁚𰁦𰁪𰁞𰁧𰁚𰁢𰁚𰁣𰁩𰁨𰀕𰁖𰀕𰁘𰁪𰁨𰁩𰁤𰁢𰁚𰁧𰀕𰁢𰁖𰁮𰀕𰁝𰁖𰁫𰁚𰀣
𰁄𰁥𰁩𰁞𰁢𰁪𰁢𰀕𰁈𰁤𰁛𰁩𰁬𰁖𰁧𰁚𰀕𰁈𰁪𰁥𰁥𰁤𰁧𰁩𰀕𰃄𰀕
𰁉𰁝𰁚𰀕𰁈𰁚𰁘𰁤𰁣𰁙𰀕𰀽𰁖𰁡𰁛𰀕𰁤𰁛𰀕𰁩𰁝𰁚𰀕𰀸𰁖𰁢𰁚𰁧𰁖
𰁣𰁤𰁩𰀕𰁤𰁣𰁡𰁮𰀕𰁩𰁤𰀕𰁞𰁣𰁙𰁪𰁨𰁩𰁧𰁞𰁖𰁡𰀕𰁫𰁞𰁨𰁞𰁤𰁣𰀕𰁢𰁖𰁧𰁠𰁚𰁩𰁨𰀕𰁨𰁪𰁘𰁝𰀕
𰁖𰁨𰀕𰁖𰁪𰁩𰁤𰁢𰁖𰁩𰁞𰁤𰁣𰀕𰁖𰁣𰁙𰀕𰁦𰁪𰁖𰁡𰁞𰁩𰁮𰀕𰁖𰁨𰁨𰁪𰁧𰁖𰁣𰁘𰁚𰀡𰀕𰁗𰁪𰁩𰀕
𰁖𰁡𰁨𰁤𰀕𰁩𰁤𰀕𰁣𰁚𰁬𰀕𰁫𰁞𰁨𰁞𰁤𰁣𰀕𰁢𰁖𰁧𰁠𰁚𰁩𰁨𰀡𰀕𰁨𰁪𰁘𰁝𰀕𰁖𰁨𰀕𰁨𰁚𰁘𰁪𰁧𰁞𰁩𰁮𰀕
𰁩𰁚𰁘𰁝𰁣𰁤𰁡𰁤𰁜𰁮𰀕𰁖𰁣𰁙𰀕𰁣𰁤𰁣𰀢𰁞𰁣𰁙𰁪𰁨𰁩𰁧𰁞𰁖𰁡𰀕𰁨𰁚𰁜𰁢𰁚𰁣𰁩𰁨𰀣
𰀾𰀹𰁈𰀕𰀾𰁢𰁖𰁜𰁞𰁣𰁜𰀕𰀹𰁚𰁫𰁚𰁡𰁤𰁥𰁢𰁚𰁣𰁩𰀕𰁈𰁮𰁨𰁩𰁚𰁢𰁨𰀕𰀼𰁢𰁗𰀽
𰀹𰁞𰁢𰁗𰁖𰁘𰁝𰁚𰁧𰀕𰁈𰁩𰁧𰁖𰂛𰁚𰀕𰀫𰀢𰀭
𰀬𰀩𰀦𰀭𰀧𰀕𰁄𰁗𰁚𰁧𰁨𰁪𰁡𰁢
𰁅𰁝𰁤𰁣𰁚𰀕𰀠𰀩𰀮𰀝𰀥𰀞𰀬𰀦𰀨𰀩𰀤𰀮𰀫𰀦𰀮𰀫𰀢𰀥
𰀻𰁖𰁭𰀕
𰀠𰀩𰀮𰀝𰀥𰀞𰀬𰀦𰀨𰀩𰀤𰀮𰀫𰀦𰀮𰀫𰀢𰀮𰀮
𰁨𰁖𰁡𰁚𰁨𰀵𰁞𰁙𰁨𰀢𰁞𰁢𰁖𰁜𰁞𰁣𰁜𰀣𰁘𰁤𰁢
VisionSystems
D E S I G N
𰁖𰁫𰁖𰁞𰁡𰁖𰁗𰁡𰁚𰀕𰁞𰁣𰀕𰁩𰁝𰁚𰀕𰁪𰀺𰁮𰁚𰀕𰁘𰁖𰁢𰁚𰁧𰁖𰁨𰀕𰁨𰁚𰁧𰁞𰁚𰁨𰀣𰀕𰀾𰀹𰁈𰀕
𰀾𰁢𰁖𰁜𰁞𰁣𰁜𰀕𰁘𰁖𰁢𰁚𰁧𰁖𰁨𰀕𰁖𰁧𰁚𰀕𰁖𰁫𰁖𰁞𰁡𰁖𰁗𰁡𰁚𰀕𰁬𰁞𰁩𰁝𰀕𰀸𰀸𰀹𰀕𰁖𰁣𰁙𰀕
𰀸𰁂𰁄𰁈𰀕𰁨𰁚𰁣𰁨𰁤𰁧𰁨𰀕𰁖𰁣𰁙𰀕𰁘𰁤𰁢𰁚𰀕𰁬𰁞𰁩𰁝𰀕𰁧𰁚𰁨𰁤𰁡𰁪𰁩𰁞𰁤𰁣𰁨𰀕
𰁧𰁖𰁣𰁜𰁞𰁣𰁜𰀕𰁛𰁧𰁤𰁢𰀕𰁋𰀼𰀶𰀕𰁪𰁥𰀕𰁩𰁤𰀕𰀦𰀥𰀕𰁂𰁚𰁜𰁖𰁥𰁞𰁭𰁚𰁡𰀡𰀕𰁘𰁤𰁡𰁤𰁧𰀕
𰁖𰁣𰁙𰀕𰁢𰁤𰁣𰁤𰁘𰁝𰁧𰁤𰁢𰁚𰀣
𰀸𰁪𰁨𰁩𰁤𰁢𰀢𰁂𰁖𰁙𰁚𰀕𰀸𰁖𰁢𰁚𰁧𰁖𰁨𰀕𰁛𰁤𰁧𰀕
𰁈𰁥𰁚𰁘𰁞𰁖𰁡𰀕𰁇𰁚𰁦𰁪𰁞𰁧𰁚𰁢𰁚𰁣𰁩𰁨
𰀾𰀹𰁈𰀕𰀾𰁢𰁖𰁜𰁞𰁣𰁜𰀕𰁤𰁛𰁛𰁚𰁧𰁨𰀕𰁤𰁫𰁚𰁧𰀕𰀦𰀥𰀥𰀕𰁙𰁞𰁛𰁛𰁚𰁧𰁚𰁣𰁩𰀕
𰁘𰁖𰁢𰁚𰁧𰁖𰀕𰁢𰁤𰁙𰁚𰁡𰁨𰀕𰁩𰁝𰁖𰁩𰀕𰁢𰁚𰁚𰁩𰀕𰁩𰁝𰁚𰀕𰁧𰁚𰁦𰁪𰁞𰁧𰁚𰁢𰁚𰁣𰁩𰁨𰀕
𰀾𰀹𰁈𰀕𰀾𰁢𰁖𰁜𰁞𰁣𰁜𰀕𰀹𰁚𰁫𰁚𰁡𰁤𰁥𰁢𰁚𰁣𰁩𰀕𰁈𰁮𰁨𰁩𰁚𰁢𰁨𰀡𰀕𰀾𰁣𰁘𰀣
𰀩𰀥𰀥𰀕𰁌𰁚𰁨𰁩𰀕𰀸𰁪𰁢𰁢𰁞𰁣𰁜𰁨𰀕𰁅𰁖𰁧𰁠𰀡𰀕𰁈𰁪𰁞𰁩𰁚𰀕𰀨𰀩𰀥𰀥
𰁌𰁤𰁗𰁪𰁧𰁣𰀡𰀕𰁂𰀶𰀕𰀥𰀦𰀭𰀥𰀦𰀡𰀕𰁊𰁈𰀶
𰁅𰁝𰁤𰁣𰁚𰀕𰀠𰀦𰀝𰀬𰀭𰀦𰀞𰀬𰀭𰀬𰀢𰀥𰀥𰀩𰀭
𰀻𰁖𰁭𰀕
𰀠𰀦𰀝𰀬𰀭𰀦𰀞𰀧𰀭𰀬𰀢𰀦𰀧𰀪𰀭
𰁪𰁨𰁖𰁨𰁖𰁡𰁚𰁨𰀵𰁞𰁙𰁨𰀢𰁞𰁢𰁖𰁜𰁞𰁣𰁜𰀣𰁘𰁤𰁢
𰁉𰁤𰀕𰁘𰁤𰁢𰁥𰁡𰁚𰁢𰁚𰁣𰁩𰀕𰁩𰁝𰁚𰁞𰁧𰀕𰁡𰁞𰁣𰁚𰁨𰀕𰁤𰁛𰀕𰁝𰁞𰁜𰁝𰀢
𰁥𰁚𰁧𰁛𰁤𰁧𰁢𰁖𰁣𰁘𰁚𰀕𰁊𰁈𰀷𰀕𰁖𰁣𰁙𰀕𰀼𰁞𰁜𰀺𰀕𰁘𰁖𰁢𰁚𰁧𰁖𰁨𰀡𰀕𰀾𰀹𰁈𰀕
𰀾𰁢𰁖𰁜𰁞𰁣𰁜𰀕𰁤𰁛𰁛𰁚𰁧𰁨𰀕𰁖𰀕𰁘𰁤𰁢𰁥𰁧𰁚𰁝𰁚𰁣𰁨𰁞𰁫𰁚𰀕𰁈𰀹𰁀𰀕
𰁖𰁣𰁙𰀕𰁙𰁧𰁞𰁫𰁚𰁧𰁨𰀕𰁩𰁤𰀕𰁚𰁣𰁨𰁪𰁧𰁚𰀕𰁩𰁝𰁚𰁞𰁧𰀕𰁘𰁖𰁢𰁚𰁧𰁖𰁨𰀕𰁘𰁖𰁣𰀕
𰁗𰁚𰀕𰁚𰁖𰁨𰁞𰁡𰁮𰀕𰁞𰁣𰁩𰁚𰁜𰁧𰁖𰁩𰁚𰁙𰀕𰁞𰁣𰁩𰁤𰀕𰁖𰁣𰀕𰁖𰁥𰁥𰁡𰁞𰁘𰁖𰁩𰁞𰁤𰁣𰀣𰀕
𰁂𰁤𰁧𰁚𰀕𰁩𰁝𰁖𰁣𰀕𰁩𰁬𰁤𰀕𰁙𰁤𰁯𰁚𰁣𰀕𰁨𰁖𰁢𰁥𰁡𰁚𰀕𰁥𰁧𰁤𰁜𰁧𰁖𰁢𰁨𰀕
𰁖𰁧𰁚𰀕𰁞𰁣𰁘𰁡𰁪𰁙𰁚𰁙𰀕𰁬𰁞𰁩𰁝𰀕𰁩𰁝𰁚𰁞𰁧𰀕𰁈𰀹𰁀𰀕𰁖𰁡𰁤𰁣𰁜𰀕𰁬𰁞𰁩𰁝𰀕𰀨𰁧𰁙𰀕
𰁥𰁖𰁧𰁩𰁮𰀕𰁙𰁧𰁞𰁫𰁚𰁧𰁨𰀕𰁛𰁤𰁧𰀕𰁋𰁞𰁨𰁞𰁤𰁣𰁅𰁧𰁤𰀕𰁛𰁧𰁤𰁢𰀕𰀸𰁤𰁜𰁣𰁚𰁭𰀡𰀕
𰁁𰁖𰁗𰁋𰀾𰀺𰁌𰀡𰀕𰀽𰁖𰁡𰁘𰁤𰁣𰀡𰀕𰁃𰁚𰁪𰁧𰁤𰁘𰁝𰁚𰁘𰁠𰀕𰁖𰁣𰁙𰀕𰀸𰁤𰁢𰁢𰁤𰁣𰀕
𰁋𰁞𰁨𰁞𰁤𰁣𰀕𰀷𰁡𰁤𰁭𰀣𰀕𰀻𰁤𰁧𰀕𰁩𰁝𰁤𰁨𰁚𰀕𰁘𰁪𰁨𰁩𰁤𰁢𰁚𰁧𰁨𰀕𰁬𰁝𰁤𰀕𰁬𰁖𰁣𰁩𰀕
𰁩𰁤𰀕𰁪𰁨𰁚𰀕𰁖𰀕𰁨𰁩𰁖𰁣𰁙𰁖𰁧𰁙𰀕𰁞𰁣𰁩𰁚𰁧𰁛𰁖𰁘𰁚𰀕𰁩𰁤𰀕𰁖𰁘𰁝𰁞𰁚𰁫𰁚𰀕
𰁘𰁖𰁢𰁚𰁧𰁖𰀕𰁞𰁣𰁩𰁚𰁧𰁤𰁥𰁚𰁧𰁖𰁗𰁞𰁡𰁞𰁩𰁮𰀡𰀕𰀾𰀹𰁈𰀕𰀾𰁢𰁖𰁜𰁞𰁣𰁜𰀕𰁤𰁛𰁛𰁚𰁧𰁨𰀕
𰀹𰁞𰁧𰁚𰁘𰁩𰁈𰁝𰁤𰁬𰀕𰁖𰁣𰁙𰀕𰀼𰁚𰁣𰀾𰀸𰁖𰁢𰀕𰁨𰁪𰁥𰁥𰁤𰁧𰁩𰀣𰀕
𰁬𰁬𰁬𰀣𰁞𰁙𰁨𰀢𰁞𰁢𰁖𰁜𰁞𰁣𰁜𰀣𰁘𰁤𰁢
________________
A
BEMaGS
F
VisionSystems
D E S I G N
A
BEMaGS
F
𰀽𰁖𰁧𰁨𰁝𰀕𰀺𰁣𰁫𰁞𰁧𰁤𰁣𰁢𰁚𰁣𰁩𰀴
𰁪𰀺𰁮𰁚𰀖
𰂜
𰁊𰁈𰀷𰀕𰁪𰀺𰁮𰁚𰂜𰀕𰁇𰀺
40,5 CMOS
(55,5 CCD )
7
24
M37 x0.5
9,10
3
37,5 CMOS
(52,5 CCD )
40,5 CMOS
(55,5 CCD )
41
1"-32 UN-2B
7
24
M37 x0.5
9,10
3
37,5 CMOS
(52,5 CCD )
𰀕
𰀕
𰀕
𰀕
𰀕
𰀕
𰀕
𰀸𰁖𰁗𰁡𰁚𰀕𰁡𰁚𰁣𰁜𰁩𰁝𰀕𰁪𰁥𰀕𰁩𰁤𰀕𰀦𰀥𰀕𰁢𰀟𰀕
𰁊𰁥𰀕𰁩𰁤𰀕𰀦𰀥𰀕𰁂𰁚𰁜𰁖𰁥𰁞𰁭𰁚𰁡
𰁈𰁩𰁖𰁗𰁞𰁡𰁞𰁩𰁮𰀕𰁪𰁥𰀕𰁩𰁤𰀕𰀩𰀕𰁠𰁋
𰀸𰀺𰀕𰁘𰁡𰁖𰁨𰁨𰀕𰀷𰀕
𰁂𰀭𰀕𰁘𰁤𰁣𰁣𰁚𰁘𰁩𰁤𰁧
𰁂𰀨𰀕𰁖𰁣𰁙𰀕𰁂𰀪𰀕𰁢𰁤𰁪𰁣𰁩𰁞𰁣𰁜𰀕𰁩𰁝𰁧𰁚𰁖𰁙𰁨
𰀺𰁖𰁨𰁞𰁚𰁨𰁩𰀕𰁞𰁣𰁩𰁚𰁜𰁧𰁖𰁩𰁞𰁤𰁣𰀕𰁬𰁞𰁩𰁝𰀕𰀕
𰀕𰁪𰀺𰁮𰁚𰂜𰀕𰁈𰀹𰁀𰀕𰁖𰁣𰁙𰀕𰀼𰁚𰁣𰀾𰀸𰁖𰁢𰁉𰁂𰀕
𰀕
𰁊𰁈𰀷𰀕
𰀷𰁤𰁖𰁧𰁙𰀢𰁡𰁚𰁫𰁚𰁡𰀕𰁖𰁣𰁙𰀕𰁝𰁤𰁪𰁨𰁚𰁙𰀕
𰁢𰁤𰁙𰁚𰁡𰁨𰀡𰀕𰁞𰁣𰁘𰁡𰁪𰁙𰁞𰁣𰁜𰀕𰀾𰁅𰀫𰀪𰀤𰀫𰀬𰀣𰀕
𰁂𰁖𰁭𰁞𰁢𰁪𰁢𰀕𰃓𰁚𰁭𰁞𰁗𰁞𰁡𰁞𰁩𰁮𰀕𰁬𰁞𰁩𰁝𰀕
𰁡𰁤𰁣𰁜𰀕𰁩𰁚𰁧𰁢𰀕𰁖𰁫𰁖𰁞𰁡𰁖𰁗𰁞𰁡𰁞𰁩𰁮𰀣
𰀟𰀕𰁬𰁞𰁩𰁝𰀕𰁤𰁧𰁞𰁜𰁞𰁣𰁖𰁡𰀕𰁖𰁘𰁘𰁚𰁨𰁨𰁤𰁧𰁞𰁚𰁨𰀕𰁛𰁧𰁤𰁢𰀕𰀾𰀹𰁈
𰀼𰁞𰁜𰀺
𰁅𰁡𰁪𰁜𰀕𰀛𰀕𰁅𰁡𰁖𰁮𰀕𰁬𰁞𰁩𰁝𰀕𰁨𰁢𰁖𰁡𰁡𰀕
𰁛𰁤𰁧𰁢𰀕𰁛𰁖𰁘𰁩𰁤𰁧𰀕𰁤𰁧𰀕𰁗𰁪𰁞𰁡𰁩𰀢𰁞𰁣𰀕
𰁥𰁧𰁚𰀢𰁥𰁧𰁤𰁘𰁚𰁨𰁨𰁞𰁣𰁜𰀣
𰁬𰁬𰁬𰀣𰁞𰁙𰁨𰀢𰁞𰁢𰁖𰁜𰁞𰁣𰁜𰀣𰁘𰁤𰁢
________________________
𰁅𰁝𰁤𰁣𰁚𰀯𰀕𰁊𰁈𰀶𰀕𰀝𰀬𰀭𰀦𰀞𰀕𰀬𰀭𰀬𰀢𰀥𰀥𰀩𰀭𰀕𰀕𰀕𰀕𰀺𰁪𰁧𰁤𰁥𰁚𰀕𰀠𰀩𰀮𰀕𰀬𰀦𰀨𰀩𰀤𰀮𰀫𰀦𰀮𰀫𰀢𰀥
VisionSystems
D E S I G N
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𰁀𰁅𰁋𰀼𰀾𰁉𰀸𰁋𰁀𰁆𰁅𰀗𰁄𰀸𰀻𰀼𰀗𰀼𰀸𰁊𰁐
𰁆𰁉𰀺𰀿𰀼𰁊𰁋𰁉𰀸𰁋𰀼𰀗𰁐𰁆𰁌𰁉𰀗𰁄𰀸𰀺𰀿𰁀𰁅𰀼𰀗𰁍𰁀𰁊𰁀𰁆𰁅𰀗𰁎𰁀𰁋𰀿
𰂠
𰀺𰁆𰁅𰁅𰀼𰀺𰁋𰀥𰀗𰀺𰁆𰁅𰀽𰁀𰀾𰁌𰁉𰀼𰀥𰀗𰀺𰁆𰁅𰀻𰁌𰀺𰁋𰀥
𰁇𰁦𰁮𰁜𰁩𰀣𰀗𰁪𰁘𰁝𰁜𰁫𰁰𰀣𰀗𰁘𰁥𰁛𰀗𰁫𰁩𰁠𰁞𰁞𰁜𰁩𰀗𰁦𰁭𰁜𰁩𰀗𰁘𰀗𰁪𰁠𰁥𰁞𰁣𰁜𰀗𰀨𰀧𰀧𰁤𰀗𰀺𰀸𰁋𰀬𰁜𰀗𰁚𰁘𰁙𰁣𰁜𰀗𰁝𰁦𰁩𰀗𰁚𰁘𰁤𰁜𰁩𰁘𰁪𰀗𰁘𰁥𰁛𰀗𰁣𰁠𰁞𰁟𰁫𰁪𰀥𰀗
𰂠
𰀺𰁆𰁅𰁅𰀼𰀺𰁋𰀗
𰃗𰀗𰀾𰁠𰁞𰀼𰀗𰁍𰁠𰁪𰁠𰁦𰁥𰂠𰀣𰀗𰀽𰁠𰁩𰁜𰁎𰁠𰁩𰁜𰂠𰀣𰀗𰁌𰁊𰀹𰂠𰀗𰁘𰁥𰁛𰀗𰀺𰁘𰁤𰁜𰁩𰁘𰁃𰁠𰁥𰁢𰂞𰀗𰁚𰁘𰁤𰁜𰁩𰁘𰁪
𰃗𰀗𰁃𰀼𰀻𰀗𰀢𰀗𰁣𰁘𰁪𰁜𰁩𰀗𰁣𰁠𰁞𰁟𰁫𰀗𰁪𰁦𰁬𰁩𰁚𰁜𰁪
𰃗𰀗𰀼𰁥𰁚𰁦𰁛𰁜𰁩𰁪𰀗𰁘𰁥𰁛𰀗𰁘𰁬𰁫𰁦𰁤𰁘𰁫𰁠𰁦𰁥𰀗𰁀𰀦𰁆
𰀺𰁆𰁅𰀽𰁀𰀾𰁌𰁉𰀼
𰃗𰀗𰁊𰁜𰁫𰁬𰁧𰀗𰁦𰁭𰁜𰁩𰀗𰁘𰀗𰁮𰁜𰁙𰀗𰁙𰁩𰁦𰁮𰁪𰁜𰁩𰀗𰁦𰁩𰀗𰁬𰁪𰁠𰁥𰁞𰀗𰁋𰀺𰁇𰀦𰁀𰁇𰀗𰁘𰁥𰁛𰀗𰁏𰁄𰁃
𰃗𰀗𰁊𰁧𰁜𰁚𰁠𰁝𰁰𰀗𰁜𰁭𰁜𰁥𰁫𰀗𰁫𰁠𰁤𰁠𰁥𰁞𰀗𰁫𰁦𰀗𰁘𰀗𰁤𰁠𰁚𰁩𰁦𰁪𰁜𰁚𰁦𰁥𰁛
𰁅𰁦𰁩𰁫𰁟𰀗𰀝𰀗𰁊𰁦𰁬𰁫𰁟𰀗𰀸𰁤𰁜𰁩𰁠𰁚𰁘𰀱𰀗𰀢𰀗𰀨𰀗𰀭𰀧𰀫𰀗𰀭𰀪𰀭𰀗𰀨𰀧𰀨𰀨
𰀼𰁬𰁩𰁦𰁧𰁜𰀗𰀝𰀗𰀸𰁪𰁠𰁘𰀱𰀗𰀢𰀪𰀨𰀗𰀫𰀬𰀗𰀯𰀬𰀧𰀗𰀮𰀧𰀧𰀧
𰁠𰁥𰁝𰁦𰀷𰁃𰁄𰁀𰁫𰁜𰁚𰁟𰁥𰁦𰁣𰁦𰁞𰁠𰁜𰁪𰀥𰁚𰁦𰁤
𰁎𰁎𰁎𰀥𰁃𰁄𰁀𰁫𰁜𰁚𰁟𰁥𰁦𰁣𰁦𰁞𰁠𰁜𰁪𰀥𰁚𰁦𰁤𰀦𰁤𰁘𰁜𰁪𰁫𰁩𰁦𰀦𰁧𰁩𰁦𰀨𰀪
_______________________
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𰃗𰀗𰁊𰁰𰁥𰁚𰁟𰁩𰁦𰁥𰁠𰁱𰁜𰀗𰁚𰁘𰁤𰁜𰁩𰁘𰀗𰁛𰁘𰁫𰁘𰀗𰁮𰁠𰁫𰁟𰀗𰁜𰁭𰁜𰁥𰁫𰀗𰁪𰁫𰁘𰁤𰁧𰁪
𰃗𰀗𰁈𰁬𰁜𰁬𰁜𰀗𰁥𰁬𰁤𰁜𰁩𰁦𰁬𰁪𰀗𰁩𰁜𰁨𰁬𰁜𰁪𰁫𰁪𰀗𰁫𰁦𰀗𰁘𰁚𰁫𰁠𰁭𰁘𰁫𰁜𰀗𰁛𰁦𰁮𰁥𰁪𰁫𰁩𰁜𰁘𰁤𰀗𰁟𰁘𰁩𰁛𰁮𰁘𰁩𰁜
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technologytrends
Andrew Wilson, Editor, [email protected]
▏
I M AG E CA P T U R E
▏
Vision system reads pesticide packages
To track the millions of bottles of pesticides
it produces per year, a global chemical manufacturer required a system to confirm the
traceability of its products after they were
packed into cases. After each bottle is filled
and sealed, an inkjet printer applies a Data
Matrix code on the top of each cap.
Once the open cases are packed, batches of
cases move along a conveyor for palletizing at 70
ft/min. To read the Data Matrix codes of these
bottles before palletizing, the company called
upon Matrix Systems and Solutions (Sanborn,
NY, USA; www.matrix-ssi.com) to develop an
automated machine-vision system.
Instead of using multiple cameras, a single,
monochrome 16-Mpixel GE4900 4872 ×
3248-pixel CCD camera from Prosilica (Burnaby, BC, Canada; www.prosilica.com) running at 3 frames/s was selected because of its
Gigabit Ethernet output, resolution capabilities, and speed. To capture a wide field of view,
a Planar T* 1.4/50 ZF 35-mm lens from Carl
Zeiss (Maple Grove, MN, USA; www.zeiss.
com) was mounted to the camera.
___
With a focal length of 51.7 mm, an aperture range of f/1.4–f/16, and a focusing range
of 0.45 m to infinity, the lens was selected
instead of a telecentric lens to reduce cost.
Since more than one type of product
needed to be inspected, the application required a relatively large field
of view with the dimensions of the
largest case being 397 × 320 mm and
the smallest being 271 × 205 mm.
In the initial system design,
Matrix tested Smart Vision Lights’
(SVL; Muskegon, MI, USA; www.
___
smartvisionlights.com) Adjustable
Dark Field Light (DFL). Since the
swivel mounts on the DFL allow the
lights to be adjusted, it was thought
that this would provide a good overhead lighting array. However, initial
testing of the DFL showed that the
amount of glare or reflection from
the white caps on the pesticide bottles
I N T E R FAC E S TA N DA R D S
Future Camera Link
standards emerge
In an exclusive
video interview with Vision
_____________
Systems Design, Steve Kinney, chairman of
the Automated Imaging Association (AIA)
Camera
Link committee and director of
_____________
technical pre-sales and support with JAI
(San Jose, CA, USA; www.jai.com) outlined two new proposals that will substantially increase the bandwidth of camerato-computer interfaces.
“Recent advances in high-speed
CMOS imagers,” says Kinney, “will
demand interfaces that are far faster
than the existing 6.25 Gbits/s currently
supported by the Camera Link standard.” To accomplish this, the committee is now studying two proposals.
CoaXPress, proposed by Adimec (Eindhoven, the Netherlands, www.adimec.
com)
___ and based on a high-speed line
driver and equalizer chipset from Eqcologic (Brussels, Belgium; www.eqcologic.
Camera Link continued on page 12
FIGURE 1. Adimec has developed a coaxial
interface based on the Eqcologic chipset
that allows camera data to be transferred
at speeds of up to 3.125 Gbits/s over 50 m
using standard coaxial cable.
Pesticide continued on page 12
FIGURE 1. SVL’s backlight was
customized as a large diffuse ringlight,
or tent light, by cutting a hole in the
center for camera placement.
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Pesticide continued from page 11
failed to provide a useful image.
To overcome this problem, SVL customized its Large Light Panel (LLP) backlight
as a large diffuse ringlight, or tent light, by
cutting a hole in the center of the light for
camera placement (see Fig. 1). After the
LLP-2 was laser cut with a 30-mm hole in
the center, it was shipped and tested, virtually
eliminating the glare issues associated with
the DFL (see Fig. 2).
As the cases of product move into
the inspection station, a CMOS
GV-H450 laser sensor from Keyence
(Woodcliff Lake, NJ, USA; www.
___
keyence.com) triggers the lighting and camera system to capture
an image. After the image is captured, it is transferred via the camera’s Gigabit Ethernet interface to a
quad core processor with 8 Gbytes
of RAM running Linux.
Custom software is then used to
unskew the large image captured by
the lens, locate different quantities
and orientations of bottles, and to
read the Data Matrix code printed
on each cap. Where this data can
be read, cases are then moved along
the production line, sealed, picked
by a robot, and placed in cases.
If this data is unreadable, then
stack lights strobe and the CPU conFIGURE 2. Using an adjustable darkfield light in a chemitrols a printer to produce a serialized
cal manufacturer’s Data Matrix code recognition system
rejection
label that is later placed on
resulted in a large amount of reflection from bottle caps
(top). To reduce the effect, a large backlight was custom- the case to prevent untagged bottles
ized as a tent light to virtually eliminate glare (bottom).
from leaving the facility.
Camera Link continued from page 11
com),
___
allows image data to be transferred
over 50 m of coaxial cable at a data rate
of 6.25 Gbits/s. For higher speeds, more
cables can be used in parallel. The proposed standard does not limit the number
of cables, so virtually unlimited bandwidth
can be made available.
“One of the benefits of this approach,” says
Kinney, “is that low-cost coaxial cables can
be used to transfer data from camera to computer. However, by designing camera interfaces using this approach, designers are tied
to one specific semiconductor vendor.” To
overcome this potential problem, Peter Helfet,
CEO of Eqcologic, has said that he is willing to
license other silicon vendors to ensure multiple sources for the devices.
The second high-speed link (HSLINK)
approach, proposed by DALSA (Waterloo, ON, Canada; www.dalsa.com) and
also being considered by the Camera Link
committee, is based on CX1 or CX4 cables.
HSLINK proposes that each twisted pair in
the cable runs at 3.125 Gbits/s, with options
for one pair (1x, so 3.125 Gbits/s total), four
pairs (4x, 12.5 Gbits/s), and 20 pairs (20x,
62.5 Gbits/s) using a 12x InfiniBand cable.
DALSA specifies a maximum cable
length of 15 m, although in the Camera
Link meet-
Camera Link continued on page 15
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12
August 2009
VisionSystems
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A product of
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concentrated
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GC-Series: Ultra-compact GigE VisionTM cameras
Our cameras are designed and manufactured in-house to deliver a more robust and integrated product that meets the
highest quality standards. Our products are noted for their high performance, ultra-compact size, light weight, fast frame
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A subsidiary of
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SILICONSOFTWARE
...unique by technology and reliability
Our Company
Silicon Software GmbH was founded 1997
in Mannheim.
The company produces off-the-shelf as well
as customized OEM solutions by hardware
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Our Concept
Increasing requests for improvements in
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For this purpose Silicon Software produces
image processing boards with FPGA vision
processors for standard-PCs, as well as
individual OEM products. Based on these
In the year 2006 VisualApplets
was awarded with the VISION
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solutions and contributions regarding applied Machine Vision.
Further focus is the VisualApplets product
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The development services will help to realize applications and systems in an advantageous short time with a Time-to-Market
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SILICONSOFTWARE
Steubenstrasse 46
D-68163 Mannheim
Germany
VisionSystems
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Phone: +49(0)621 789507-0
Fax:
+49(0)621 789507-10
Email:
Web:
[email protected]
www. silicon-software.de
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Camera Link continued from page 12
ial interface based on the Eqcologic chipset
to an EQCO62R20 high-speed equalizer with
ing the company claimed that 40 m might
(see Fig. 1). “CoaXPress offers higher speeds
integrated low-speed driver (see Fig. 2). Later
be possible with a custom cable.
than Camera Link and is a cost-effective solu-
this year, Adimec expects an increase to 6.25
“By adopting this standard,” says Kinney,
tion for customers who want longer, flexible
Gbits/s to support its higher-speed cameras.
“system designers could use InfiniBand host
cables and simple connectors,” says Jochem
The demonstration shown at Robots &
bus adapters and chipsets that are widely avail-
Herrmann, CTO at Adimec. “Many applica-
Vision used a small converter box to reformat
able from a number of vendors. If adopted, the
tions already use coaxial cable as the physical
the CoaXPress data into Camera Link format
interface could be incorporated into an FPGA
layer with which to transfer image data since
and transferred the data to a Phoenix Camera
within the camera or frame grabber interface,
it is relatively inexpensive and easy to install.
Link frame grabber from Active Silicon (Iver, UK;
lowering the cost of implementation.” The
By using the same physical layer, these sys-
www.activesilicon.com). At the VISION Show
CoaXPress demo system shown by Adimec also
tems can be upgraded from low-resolution
taking place in November 2009 (Stuttgart, Ger-
incorporates an FPGA to format data; however,
analog to high-resolution digital systems.”
this is not a specific benefit for HSLINK. Such a
Adimec’s system uses Eqcologic’s
many), Active Silicon plans to show a frame
grabber board with a mezzanine interface
standard has yet to be adopted by any Camera
EQCO62T20 high-speed line driver with inte-
Link camera or frame grabber vendor.
grated low-speed receiver within the Adimec
Press interface. In the same period, Adimec
OPAL camera to transmit data at an equiva-
expects its full range of digital cameras to be
lent 3.125-Gbit/s Camera Link Base bandwidth
offered with the CoaXPress interface.
At the Robots & Vision show, Adimec did
show a working implementation of a coaxUp to
Up to 1000 m
6.25ADC
Gbit/s
downlink
Highdefinition
camera
Up to 100 m
EQCO
62T20
75-Ω coax
Up to
1000 m
ADC
“Because this implementation uses coaxial
Up to
6.25Gbit/s
downlink
cable, it is easy to install and has inherent flexibility,” says Herrmann. “Furthermore, power
Frame
store +
Camera
control
EQCO
62R20
Up to
20-Mbit/s
uplink
Up to
20-Mbit/s
uplink
especially designed to interface to the CoaX-
EQCO62T20 = High-speed line driver with integrated low-speed receiver
EQCO62R20 = High-speed equalizer with integrated low-speed driver
Power is added on PCB level with external inductors
FIGURE 2. In the design of the interface, an Eqcologic EQCO62T20 high-speed line driver
with integrated low-speed receiver within the Adimec Opal camera transmits data to an
EQCO62R20 high-speed equalizer with integrated low-speed driver.
can also be transmitted over the same cable.” A
single coaxial cable can be used to transfer data,
camera control signals, and power over 50 m.
While currently available integrated
serial_________
izer/deserializers
_________ also allow CX1 or CX4 cables
to transfer data over copper cables, it remains
to be seen how the Camera Link committee
will address the issue of power transmission
if this standard is adopted. Likely as not, the
approach taken will be similar to that of the
current Camera Link implementation.
________________
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▏
TR ADE SHOW RE VIE W
Lights, cameras, and action
highlight Robots & Vision Show
Despite the currently dire economic landscape, exhibitors at the June 2009 International Robots, Vision & Motion Control
Show (Rosemont, IL, USA) were pleasantly
surprised at the number and quality of the
attendees. In the space of three days, more
than 4000 visitors managed to visit some of
the 140 exhibitors on the floor and attend
tutorials and application sessions on robotics, machine vision, and motion control.
Reflecting the vibrancy of the industry, several companies used the show to
announce new products targeted firmly
toward developers of machine-vision systems. For example, as a first-time exhibitor at the show, Vieworks (Gyeonggi-do,
South Korea; www.vieworks.com) displayed a range of high-speed Camera Link
and GigE-based megapixel cameras.
Artur Didyk, engineering manager at
Components Express Inc. (CEI; Woodridge, IL, USA; www.componentsexpress.
com) showed how CEI’s ___________
Power over Ether___
net
Plus (PoE+) adapter could be used to
______________
allow non-PoE cameras to operate with a
Power over Ethernet switch. “Some sys_____________
tems require more than the 12.95 W supported by the current IEEE 802.3af (PoE)
standard,” says Didyk, “but by using the
new IEEE 802.3at (PoE+) standard, the BIT
MAXX adapter extends the power delivered
through Ethernet cables to 24 W, nearly
doubling the power that can be delivered
to a PoE system.”
“By using the BIT MAXX splitter, system
developers can eliminate lengthy power
cables, power supplies, and AC outlets they
may be using since the BIT MAXX splitter
FIGURE 1. System
developers can effectively eliminate any
lengthy power cables
they may be using
with GigE cameras since CEI’s BIT
MAXX splitter recovers both power and
data signals from the
attached PoE+ hub.
Using image sensors from Kodak and
Aptina, Vieworks currently offers 15 different cameras ranging from the VH-V264, a
640 × 480-pixel, 264-frame/s Camera Link
camera to the VC-4M160C-MC10, a 2352
× 1728-pixel, 160-frame/s Camera Link
camera based on an Aptina CMOS imager.
According to sales manager Peter Lee, the
company is currently looking for distribution in both the United States and Europe.
Like many GigE-based
cameras, the
____________
GigE cameras offered by Vieworks must
be powered over a separate power cable.
To reduce the interface to just one cable,
recovers both power and data signals from
the attached PoE or PoE+ switch to deliver
12.95 W or 24 W, respectively,” says Ray
Berst, president of CEI (see Fig. 1).
Reducing the number of components
needed to implement a vision system was also
the theme of Latab Elektronik (Vällingby,
Sweden; www.latab.se), another first-time
exhibitor at the show. Hendrik Schumann,
international sales manager, presented an
interesting lighting concept the company
has dubbed Super Dome (see Fig. 2).
“To accomplish the task of inspecting grinding disks,” says Schumann, “our customer
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technologytrends
required a light that could read a glossy label on the disk, inspect the
Although hardware was very much the highlight of the show, one
surface of the disk for defects, and inspect for the existence of a center of most interesting demonstrations was the RecogniSense software
clamping ring on the disk.” Unfortunately, there was no space in the being demonstrated by Recognition Robotics (Westlake, OH, USA;
production line to build up three
www.recognitionrobotics.com). Simon Melikian, company presicontrol stations; thus, all three FIGURE 2. Latab’s Super Dome is a
dent, demonstrated how within a few seconds the software could
combination of three types of _____
illuminatests needed to be performed at
be used to recognize images
tion: a diffuse domelight, a darkfield
__
one workstation.
somewhat regardless of their
ringlight comprising satellite LEDs, and
To achieve this, Latab’s a ringlight. The light is currently used to
size and orientation.
Super Dome is a combination illuminate grinding disks.
Once recognized, coorof three types of illumination:
dinates of the object were
a diffuse domelight to illumithen transferred to a robot
nate the glossy label, a darkfield
controller, translated into
ringlight composed of satellite
real-world coordinates, and
LEDs that is used for highlightused by a robotic pick-anding surface defects, and a ringplace system. Although
light that is used to increase the
Melikian was somewhat reticent to explain the algocontrast of the center ring on
rithms used to perform this recognition, saying only
the disk. “Using just a single
that they were based on “how the visual cortex of
multifunctional light allowed
the brain works,” the results were very impressive.
a single work-cell inspection
According to Melikian, two robotics-based systems
system to perform all three
that use the software are already in use at Chrysler
tests,” says Schumann.
car body plants.
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ADVERTISEMENT
SONY VISUAL IMAGING
PRODUCTS, a division of Sony
Electronics Inc., is a world renowned
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The use of an Ethernet cable and
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These C mounted cameras measure
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boasts more than 5 million effective pixels for demanding
industrial inspection applications.
(Power over Camera Link) interface
enabling users to simplify connections
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and are compatible with standard
C-mount lenses adding to their costeffectiveness.
Sony’s comprehensive XCL series
also includes digital cameras with a
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Cameras with far-reaching effects.
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XCG Series: XCG-5005E, XCG-U100E, XCG-SX97E and XCG-V60E
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© 2009 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without written permission is prohibited. Features and specifications are subject to change without notice.
Sony is a trademark of Sony. GigE Vision and the GigE Vision logo are trademarks of the Automation Imaging Association. Images are simulated.
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I N DUSTRIAL AU TOMATION PRODUCTS
Eye Defense
Robots and linescan-based vision system team
for automated inspection of protective eyewear
Andrew Wilson, Editor
Protective eyewear destined for military use must withstand the effects
of different types of munitions and be free of defects such as scratches,
pits, or bubbles. The eyeglasses are molded from impact-resistant polycarbonate that is covered with a scratch-resistant coating. In addition to
inspecting these eyeglasses for defects within the polycarbonate itself,
any drips or runs caused by the application of the scratch-resistant coating must also be detected during the manufacturing process.
To ensure its product has no such defects, a US-based eyewear manufacturer called upon AV&R Vision & Robotics to develop an automated inspection system capable of analyzing surface defects.
“Usually,” says Michael Muldoon, business solutions engineer with
AV&R, “surface imperfections on the eyeglasses are inspected manually and compared to a ______________
scratch and dig paddle.” The paddle, available from Edmund Optics and other suppliers, is a means by which
any scratch or dig in the surface can be compared.
Using the paddle, any defect is defined by a scratch number followed
by the dig number. This _____
standard was developed during World War II
from Frankford
Arsenal in Philadelphia, PA, and is based on the appear__________
ance of a scratch. Because different scratch structures could have the
same appearance, it is difficult to determine the physical size of these
standards. But they are still in use for optical quality requirements. In
highly demanding optical quality, as in the defense industry, the biggest crack acceptable in the viewing area is a scratch-dig of 20-10, which
roughly corresponds to 2-μm width scratch and 1-μm diameter dig.
FIGURE 1. To perform
automatic surface inspection
of military eyewear, AV&R
has developed a roboticbased work cell that uses
robots and vision to inspect
eyeglass blanks at a rate
of approximately 15 parts
per minute.
Rack them up
After each individual lens blank is molded and coated, it is placed in a
rack that can contain between 6 and 24 pieces, depending on the type
of lens being manufactured. This rack is then manually placed inside
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ADVERTISEMENT
General Company Description
Fiberoptic Systems, Inc. was established in 1982 beginning with largescale production runs of reflective,
randomized multi channel read heads
as well as miniature light integrators for blood gas analyzers. In 1998,
products. Our experience and expertise allows us to make recommendations regarding feasibility, choice of
fiber material, layout and interface with
electro optical devices.
Chief Spectroscopic
Techniques Supported
FSI has designed and manufactured
fiber assemblies for applications
including: oximetry, brain
probes, muscle probes,
catheters, fluorescence
studies, temperature
sensing, and bioluminescence, among others.
Fluoride, Chalcoginde, Silver Halide
and Sapphire. Standard products
include: Single and Multi-Branch Light
Guides, Spot to Line Converters,
Digital Fiber Links, Fiber Optic Illuminators, Ring Lights, and Gooseneck
Light Guides.
Facilities
FSI is the only fiber optics manufacturer on the West Coast producing high
transmission glass fiber. The
10,000 square foot facility
houses corporate, sales
and marketing, engineering, and all production disciplines.
Markets Served
FSI expanded to a larger facility and
purchased a state of the art drawing
tower for production of high transmission optical fiber. This allowed FSI to
stay competitive and assure the quality of standard fiber optic illumination
Fiberoptic Systems, Inc.
manufactures optical fiber
and optical fiber assemblies
for Original Equipment Manufacturers. Our markets include:
Medical/Dental, Semiconductor,
Military, Automotive,
Spectroscopy, Microscopy, Entertainment,
Research, and Machine
Vision.
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From prototype to
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FIBEROPTIC SYSTEMS, INC.
60 Moreland Road, Unit A
Simi Valley, CA 93065
Tel: 800-995-8016 / 805-583-2088
Fax: 805-583-4018
Email: : Sales@fiberopticsystems.com
www.fiberopticsystems.com
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INDUSTRIAL AUTOMATION PRODUCTS
the inspection work cell (see Fig. 1).
“As each rack is barcoded,” says Muldoon, “a
_
SICK
barcode
reader
within
the
work
cell
is
used
___________
to identify the type of lenses on the rack, how
many there are, and how they are positioned.”
Before any optical inspection can be made, each
individual lens pair must be moved to an inspection station located in the work cell.
After the system’s host PC reads the barcode of each batch, the information is interpreted by a robot controller from Fanuc
Robotics that instructs an LR Mate 200 IC
robot to pull each lens blank from the rack
Company Info
AV&R Vision & Robotics
Montreal, QC, Canada
www.avr-vr.com
Boreal Vision, Montreal, QC, Canada
www.borealvision.com
DALSA, Waterloo, ON, Canada
www.dalsa.com
Edmund Optics, Barrington, NJ, USA
www.edmundoptics.com
Fanuc Robotics
Rochester Hills, MI, USA
www.fanucrobotics.com
National Instruments
Austin, TX, USA
www.ni.com
SICK, Minneapolis, MN, USA
www.sickusa.com
and attach it to a pneumatically controlled gripper
placed within the field of
view of the optical inspection system (see Fig. 2).
“After the first lens blank is
placed on the gripper,” says
Muldoon, “a motor equipped
with a rotary encoder moves
the eyewear 180° across the
field of view of a 4k
× 1 line_______
scan camera from DALSA.
_______________
This image data is then
transferred across a Camera
FIGURE 3. Using the system graphical user interface, the
Link camera interface and
operator can control the defect detection and segregation
stored in the system’s PC. In
algorithms to define the types of defects and set specific
this way, the system is capa- pass/fail thresholds based on size and location.
ble of building a precise 2-D
mold. These include handling defects such
image of the surface of the eyewear.”
Because the system uses a linescan camera as scratches, pits, or marks and process defects
with which to capture image data and because such as bubbles, drips, runs, and contaminaof the nature of the defects to detect, it was tion. Because defect tolerance varies in different
necessary to use a specially designed illumi- zones within the eyewear, the imaging system
nator to backlight each part as it moved across must first be taught to recognize those zones.
To accomplish this, AV&R used ______
LabVIEW
the field of view of the camera. To accomplish
this, AV&R chose custom-designed lighting from National Instruments to first define the
from Boreal Vision that provided the bright- region within the captured image. After defining the region of interest to be analyzed, a specness and even illumination required.
ification was developed that stipulates the denScratches, pits, and marks
sity of imperfections that can be allowed based
Several types of defects can be present in upon the area in which they are found. If, for
both the eyewear itself and the surrounding example, a small scratch not greater than #40
ILLUMINATION means Fiberoptic Systems
Looking for the brightest, most reliable light sources in the world? Look no further.
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Fiberoptic Systems, Inc.
LIGHT FOR CUSTOM APPLICATIONS
60 MORELAND ROAD, UNIT A
SIMI VALLEY, CA 93065
805.583.2088
805.583.4018 FAX
[email protected]
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US Headquarters
Edmund Optics®
101 East Gloucester Pike
Barrington, NJ 08007 USA
Phone: 1-856-573-6250
Toll-Free: 1-800-363-1992
Fax: 1-856-573-6295
website: www.edmundoptics.com
Tucson Design Center
6464 East Grant Road
Suite 100
Tucson, AZ 85715 USA
Phone: 1-520-574-2572
Fax: 1-520-574-2683
Edmund Optics Japan Ltd.
3 & 4F Hakusan-Asanomi Bldg.
5-36-9 Hakusan
Bunkyo-ku
Tokyo Japan 112-0001
Phone: 81-3-5800-4751
Fax: 81-3-5800-4733
website: www.edmundoptics.jp
Edmund Optics GmbH®
Zur Giesserei 19-27
76227 Karlsruhe, Germany
Phone: 49 (0)721-6273730
Fax: 49 (0)721-6273750
website: www.edmundoptics.de
Edmund Optics (UK) Ltd.
Tudor House
Lysander Close
York Y030 4XB England
Phone: 44 (0)1904 691 469
Fax: 44 (0)1904 691 569
website: www.edmundoptics.co.uk
Edmund Optics Ltd. (France)
Phone: 33 (0)820 207 555
Fax: 33 (0)820 206 303
website: www.edmundoptics.fr
Edmund Optics Italy
Via Voghera 26
00182 Rome, Italy
Phone: +39.06.9727.0695
Fax: +39.06.9725.0527
website: www.edmundoptics.it
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Edmund Optics Singapore Pte. Ltd.
1093 Lower Delta Road #05-10
Tiong Bahru Industrial Estate
Singapore 169204
Phone: (65) 6273 6644
Fax: (65) 6272 1763
website: www.edmundoptics.com.sg
Edmund Optics Korea Ltd.
SK Richemble #1306
116 Hap-dong Seodaemoon-Gu
Seoul, Korea
Phone: 82-2-365-9222
Fax: 82-2-6677-9221
website: www.edmundoptics.co.kr
Edmund Optics China
5th Floor, Block 3
Luck-King Scientific and Industrial Park
Industry East Road
Longhua, Shenzhen, China, 518109
website: www.edmundoptics.cn
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Do you
CAD software eliminates manual testing of samples
A machine-vision system usually requires a
tion routine was all done manually using
human operator to train the regions of inter-
the teach pendant of the robot and sepa-
est to be inspected and the types of defects
rate vision software. The coverage capabil-
to be detected. Once analyzed, the data are
ity was estimated based on received sam-
compared with data obtained by a human
ples and tests. This type of training can be
operator. However, difficulties arise when
tedious, time consuming, and risky from a
guaranty must be given about the inspection
performance standpoint.
coverage, especially when complex shapes
Using SIDE, the system developer can sim-
occur. “To eliminate this process,” says
ulate in 3-D the vision system, lighting, how
Michael Muldoon, business solutions engi-
the robot manipulates the part, and the part-
neer with AV&R, “AV&R created a surface-
light-camera interaction during inspection.
have the
best-fit
Imaging
Solution?
“In this way,” says Muld
doon, “part defects
ca
can be simulated and
th
the results of any light
re
reflected from them
ccan be used to contr
trol the position of
a simulated roboticbased
b
vision system.”
TThen, before any
sy
system or new part
n
number is deployed
into
in production, the
sy
system developer will
have
h
developed the
eentire inspection rouUsing AV&R’s surface-inspection design environment (SIDE),
engineers can simulate in 3-D the vision system, lighting,
how the robot manipulates the part, and the part-light-camera
interaction during inspection.
Maximize Your System
Performance with EO’s
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tine offline, including
th
the robot path and
required vision tools.
T he
sof t ware
seamlessly performs a
inspection development environment (SIDE)
robot simulation to test each position, ensur-
that allows CAD models of each part to be
ing the robot can reach every point safely. This
used in a virtual simulation environment.”
routine is then downloaded to the system for
SIDE was developed using NI Lab-
validation. SIDE also features a reverse engi-
VIEW and is currently an internal tool that
neering routine that takes the configuration
enables AV&R’s engineers to be more effi -
files from a system in the field and performs
cient in deploying and designing systems as
a validation on the entire sequence.
well as in working remotely with custom-
Using modeling techniques, SIDE
ers to train new part numbers and validate
ensures all areas of the part have been
inspection routines.
inspected and for each area the correct
During the robotic
surface inspection of
________________
angles of inspection have been established.
an aircraft engine turbine airfoil, for exam__________________
This ensures all the defect types and ori-
ple, more than 100 images may need to be
entations have been accounted for, which
analyzed, all taken from different positions.
In the past, the training of the inspec-
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is critical for components destined for the
aerospace and medical industries.
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intelligent components
Intelligent
OEM
Camera
Intelligent components by
VRmagic feature an autonomous
Linux operating system.
Algorithms can be transferred to
the camera using a cross-compiler.
FIGURE 2. In operation, a robot is used to pick eyeglass blanks from a rack and mount them
onto an optical inspection system where they are rotated in front of a linescan camera.
- 300 MHz ARM9 processor
- 600 MHz DSP, 4800 MIPs
- optional FPGA
- 128 MB RAM
- 512 MB flash-memory
- Standard Debian Linux
- UBIFS filesystem
- GCC cross compiler
- Resolutions from
VGA to Megapixel
- 100 Mbit Ethernet
- Trigger und Strobe
- USB Host and RS232
- General Purpose I/Os
- Analog video output
All VRmagic components are
controlled by the same API.
For more information on
streaming, smart, and intelligent
components by VRmagic
please contact:
VRmagic GmbH
Augustaanlage 32
68165 Mannheim
Germany
Phone +49 621 400 416 - 20
Fax
+49 621 400 416 - 99
www.vrmagic-imaging.com
[email protected]
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is found in an area close to the rim of the eye- generated by machine-vision software running
wear, then the part may be passed. If such a on the PC is used to actuate the gripper releasdefect is found toward the center of the eye- ing good parts onto a conveyor. Should the part
wear, then the part may be classified as faulty. be bad, the rotary arm is moved 45° and the
“The operator can control the defect detec- part released into a reject bin. At the same time,
tion and segregation algorithms to define the the Fanuc robot loads the next lens pair onto a
types of defects and set specific pass/fail thresh- second robot gripper located opposite the first.
olds based on their size, shape, and location,” “In this way,” says Muldoon, “the system can
says Muldoon (see Fig. 3). After an image of the inspect a single lens blank once every 3.5 s.”
eyewear is captured, these defects are located
by first performing a threshold operation and The human touch
then performing blob
analysis on the thresh- “In the development of the system,” says Muldoon,
________________
olded
image.
By
comparing
each scratch to “it is vital that the machine be capable of perform_______
those specified on the scratch and dig paddle, ing equally well as a fully trained operator.” To
each scratch can be classified. Depending on ensure this, the test protocol involves a random
the width of each scratch,
sampling of 100 eyeglass molds
the part is classified good
to be cycled though the system
or bad. Similarly, any
three times. After the image data
bubble or pit greater than
are analyzed, they are compared
0.15 mm within a critical
with results obtained by a human
area of the eyeglasses is
operator and a Kappa test is used
also classified as a defect
to determine the degree of agree(see Fig. 4).
ment between the two results.
After this inspection is
“By performing this test, the
complete, pass/fail data
system can be adjusted so that the
agreement between the human
operator and the automated
FIGURE 4. Defects such
as scratches are classiinspection is acceptable,” says
fied according to a stanMuldoon. “In this way, our cusdard scratch and dig
tomer is assured that the system
test while defects such
is
capable of performing at least
as pits must be rejected
as well and often better than a
if they are larger than
20-μm diameter.
human operator.”
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_________________
VisionSystems
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Industry Solutions
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Profile
Bright Light
Inspection system uses multiple Camera Link linescan cameras and brightfield
illumination to boost production of automotive glass
Winn Hardin, Contributing Editor
features, advantages, benefits
The recession presents a number of challenges for the automotive industry. Just two
years ago, __________
automotive glass manufacturers
were adding capacity, particularly in China.
The picture has changed dramatically. Now
there is over-capacity. As suppliers fight for
orders, manufacturers feel pricing pressure.
Therefore, factory productivity is a key strategy as the automotive glass industry emerges
from this recession.
vision specialist, SynergX Technologies to
develop a system that could inspect both the
surface and edges of automotive glass.
SynergX developed a brightfield inspection
system that uses eight linescan cameras: one to
determine the position of the glass as it enters
the inspection station, another four cameras with
laser line generators and movable targeting optics
to inspect the edges, and another three cameras
with red LED line generators to inspect the surface of the glass. Initial results
show that the system is able
to detect 100% of automotive
glass with defects, allowing
the customer to sort between
glass that can be reworked and
glass that needs to be returned
to the supplier (see Fig. 1).
In a highly price-sensitive business, the
Auto Glass Inspection system provides
quality information for incoming
windows so that glass window
manufacturers can go back and get
credit from suppliers for defective glass.
“The SynergX autoglass inspection
systems have become an integral
part of our production processes. The
systems not only improve our product
quality but increase our production
line yields. Just as important is the
service and support that SynergX
provides our factories worldwide.”
—Stephane Artaud,
Engineering Director
Saint-Gobain Sekurit
International
Bright to dark
SynergX originally designed
its Auto Glass Inspection
(AGI) system using a combination of ____
brightfield and
FIGURE 1. The Auto Glass Inspection system, developed by
darkfield
imaging.
___________ BrightSynergX, uses eight linescan cameras to inspect glass panel
field detects intensity changes
edges and surfaces for a variety of defects.
caused by defects absorbing
The use of _________________
automated optical inspection transmitted light passing through the glass,
is one of the tools that can be employed to while darkfield imaging finds defects that reflect
improve factory productivity and guarantee off-axis illumination rather than absorb it.
By moving from laser line generators to red
higher quality. Recently, one of the world’s largest manufacturers of automotive glass, Saint- LED lights with special optics and improving
Gobain, looked to glass inspection machine- noise filtering via dedicated image-processing
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Industry Solutions Profile
Squaring
camera
Laser with aiming
optics moves up
and down
but it may be possible to repair the edge and
save the glass; a bubble or stone in the middle
of the glass is scrap. When the operator initiates the inspection system, the model identifier for that particular product is sent from the
PLC to the vision system. The PLC also operates the vision station’s conveyor so that the
line can be run in bypass mode should the
vision system require maintenance.
Red LEDs
Light on the edge
As a window exits the washing station, it passes
under the AGI’s first DALSA Piranha2 2000pixel ___________________
Camera Link linescan camera. This
FIGURE 2. In the AGI, mirrors in each tower keep the distance constant between laser, glass
“squaring camera” is mounted above the conedge, and linescan camera during the edge inspection. Linescan cameras mounted beneath
veyor line and collects an image of the glass
the conveyor inspect the glass surface. The vision system operates independently from the
as it moves underneath at constant speed.
plant automation network, but model and defect information is passed to a PLC.
The images are passed along a Camera Link
routines that run on an FPGA inside the sys- operator interface to the vision system that cable to one of two custom-made I/O boards
tem’s compactPCI
industrial computer, the tracked defective parts. The system showed inside the Pentair compactPCI industrial
___________________
AGI now uses just brightfield illumination.
the operator where defects are located on each computer, which performs all the processing
“Darkfield inspection is not optimal for fac- window and allowed the operator to determine for the machine-vision system.
tory environments because of its sensitivity,” whether the glass can be reworked or not.
The image passes through an Altera FPGA
explains Ken Wawrew, president and CEO
Before an inspection routine begins, the mezzanine board attached to the GE Fanuc
of SynergX. “Since you’re not in a cleanroom operator creates a computer model of the glass single-board computer with an Intel dualenvironment, any dust particle is picked up by to be inspected. The glass window is run under core processor. The FPGA performs filtering
a darkfield system. By using filters, we can find the first of AGI’s cameras, which collects an functions on the image and then runs blob
the defects and classify them easier using our image of the glass and presents it to the operator analysis to determine the x, y position of the
enhanced brightfield inspection routines.”
on a nearby desktop PC. The operator can seg- glass on the conveyor. This information will
ment the glass into different sections, each with be used to split the window into four quadGrinding along
its own maximum, borderline, and minimum rants for edge inspection.
The AGI system is installed after the cutting of defect size, as well as determine what types of
The glass continues into the AGI inspection
glass, grinding of edges, and subsequent wash- defects are acceptable and which are not.
enclosure. In each corner of the enclosure, Syning station but before paint bands are applied
For instance, a shiner (a missed area of grind- ergX mounted a 6000-pixel Piranha2 Camera
to the edge of the window. Because each ing) on the edge of a window is unacceptable, Link linescan camera with Fresnel lens so that
inspection station is fed
by four grinding stations,
Saint-Gobain wanted the
machine-vision system to
track where each piece of
glass came from and notify
operators when one grinding machine created excessive amounts of defects,
thus cutting down on waste
and boosting productivity.
Because the glass is
not stamped with a serial FIGURE 3. Bubbles, stones, and other defects have
number, the easiest solu- unique intensity and spatial characteristics that allow
tion was to connect an the AGI system to classify the defect.
DALSA
linescan camera
in each corner
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August 2009
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DALSA
linescan cameras
mounted below
conveyor
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Industry Solutions Profile
they are aligned parallel to the glass edge. A laser line generator illuminates the edge of the window as it passes through the inspection station.
Each camera will inspect a portion of the edge for shiners, chips,
and other defects. The portion is determined by the AGI system based
on information collected by the squaring camera.
Since the edge detection creates a surface map based on how the
laser light deflects from the edge, the distance between laser light, glass
edge, and camera must be known. To stay within a set area, mirrors are
mounted on four vertical towers placed in each corner of the AGI inspection station. Based on the window’s edge location—as determined by the
squaring camera—the mirrors are moved up and down to maintain an
equal distance between laser, edge, and camera (see Fig. 2).
Clearer now
While the edge inspection is in process, three red LEDs with Fresnel
____
lenses from Edmund Optics turn the diffuse LED light into a bright
____
line that shines down on the glass as it passes below on the conveyor.
Below the conveyor, SyngerX mounted three more 2000-pixel Piranha2 Camera Link cameras to capture the transmitted light.
Each camera/LED pair can inspect an area up to 400 mm across,
hence the need for three cameras to capture the entire window as it
moves through the inspection zone. Above each camera is another
Fresnel lens that collects the light and focuses it onto the linear array.
Again, images are sent line-by-line to the compactPCI computer
and filtered for noise on the FPGA mezzanine board. Using pixelintensity information, the AGI system searches pixels for values that
fall within three ranges: acceptable, defective, and borderline.
When potentially defective values are located, the FPGA performs a
blob analysis and histogram of the blob to determine whether the defect is
large enough to be a defect and, if so, what type of defect. Based on the size,
type of defect, and location within the window, AGI makes a final determination whether the defect is acceptable, failed, or borderline (see Fig. 3).
The vision system stores defect statistics and images locally on a
hard drive and displays them on a separate operator’s PC located next
to the reject station. The display shows each window in the defect
accumulator in order, with defects highlighted in green for acceptable, yellow for borderline, and red for fail.
Catching flaws in
real-time – Smart Cameras
made in Germany
𰁴𰀁𰀶𰁑𰀁𰁕𰁐𰀁𰀓𰀕𰀓𰀁𰁇𰁓𰁂𰁎𰁆𰁔𰀁𰁑𰁆𰁓𰀁𰁔𰁆𰁄𰁐𰁏𰁅
𰁴𰀁𰀙𰀑𰀑𰀑𰀁𰀮𰀪𰀱𰀴𰀁𰁊𰁏𰁕𰁆𰁈𰁓𰁂𰁕𰁆𰁅𰀁𰁄𰁐𰁎𰁑𰁖𰁕𰁂𰁕𰁊𰁐𰁏𰁂𰁍𰀁𰁑𰁐𰁘𰁆𰁓
𰁴𰀁𰀳𰁆𰁔𰁐𰁍𰁖𰁕𰁊𰁐𰁏𰀁𰁐𰁇𰀁𰁖𰁑𰀁𰁕𰁐𰀁𰀓𰀁𰀮𰁆𰁈𰁂𰀁𰀱𰁊𰁙𰁆𰁍𰁔
𰁴𰀁𰀰𰁏𰁍𰁚𰀁𰀒𰀒𰀑𰀁𰁙𰀁𰀖𰀑𰀁𰁙𰀁𰀔𰀖𰀁𰁎𰁎𰀁𰁔𰁎𰁂𰁍𰁍
𰁴𰀁𰀣𰁖𰁊𰁍𰁕𰀁𰁇𰁐𰁓𰀁𰁓𰁐𰁖𰁈𰁉𰀁𰁊𰁏𰁅𰁖𰁔𰁕𰁓𰁊𰁂𰁍𰀁𰁆𰁏𰁗𰁊𰁓𰁐𰁏𰁎𰁆𰁏𰁕𰁔
𰀱𰁍𰁆𰁂𰁔𰁆𰀁𰁗𰁊𰁔𰁊𰁕𰀁𰁐𰁖𰁓𰀁𰁘𰁆𰁃𰁔𰁊𰁕𰁆𰀁𰁇𰁐𰁓𰀁𰁎𰁐𰁓𰁆𰀁𰁅𰁆𰁕𰁂𰁊𰁍𰁆𰁅𰀁𰁊𰁏𰁇𰁐𰁓𰁎𰁂𰁕𰁊𰁐𰁏𰀁
𰁂𰁃𰁐𰁖𰁕𰀁𰁕𰁉𰁆𰀁𰁘𰁊𰁅𰁆𰀁𰁑𰁓𰁐𰁅𰁖𰁄𰁕𰀁𰁓𰁂𰁏𰁈𰁆𰀏
Company Info
Altera, San Jose, CA, USA, www.altera.com
DALSA, Waterloo, ON Canada, www.dalsa.com
Edmund Optics, Barrington, NJ, USA, www.edmundoptics.com
VCOPTIMUM
GE Fanuc, Charlottesville, VA, USA, www.gefanuc.com
Pentair Electronic Packaging, Schaumburg, IL, USA
www.pentair-ep.com
Saint-Gobain Sekurit International, Paris, France
www.saint-gobain-sekurit.com
SynergX Technologies, Laval, QC, Canada, www.synergx.ca
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WW.VISION- COMPONENTS.COM
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Basler Vision Technologies
Germany Headquarters
Phone
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Fax
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[email protected]
VisionSystems
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USA
Phone
+1 610 280 0171
Fax
+1 610 280 7608
[email protected]
Asia
Phone
+65 6425 0472
Fax
+65 6425 0473
[email protected]
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on Market Opportunities
Blade Scanner
Lock-in thermography system
finds cracks and delaminations
inside fiber-reinforced plastic
wind-turbine blades
C.G. Masi, Contributing Editor
Finding flaws inside fiber-reinforced plastic
(FRP) wind-turbine blades is important to
organizations charged with keeping wind
turbines running and making electricity.
They can be owners of wind farms, windturbine producers and installers, or even
specialized crews providing turbine-blade
inspection as a service. To meet this need,
Automation
Technology (AT) has developed
______________
a _____________
lock-in thermography imaging system for
nondestructive testing (NDT) of these com_____________
posite structures.
FRP is a composite material in which
highly inelastic fibers, oriented to resist
tensional loads, are “laid up” in layers held
together by a thermosetting plastic (such as
epoxy resin) matrix. Fibers in various layers
have different orientations to resist differently oriented stresses. For example, there
will be layers with fibers running directly
from a wind-turbine blade’s root to tip to
resist centrifugal forces. Other layers will
have fibers running diagonally to resist twisting forces. The plastic matrix carries compression and shear stresses between fibers,
forcing them to work together to achieve the
desired mechanical properties.
Delaminations arise when the plastic matrix fails under shear loads between
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fiber layers. This may
be caused by the matrix
failing directly, or by
fibers failing and increasing the shear stress on
the matrix surrounding them, which causes
it to fail in turn. In any
case, the result is a flat
crack parallel to and at
some depth beneath the
blade’s surface.
These flaws form weak
spots that cause stress to concentrate in the
unbroken plastic at their margins, so they
tend to grow over time. Each time the load
peaks—for example, due to a wind gust—
the crack advances into previously unbroken
material, further weakening the blade. After
many load cycles, the blade weakens to the
point where it fails catastrophically.
AT’s customers use the company’s lock-in
thermal-wave inspection system to evaluate
the FRP skin’s condition on an ongoing basis
and as a failure-analysis tool.
The technique utilizes a phenomenon
called thermal waves, which can be set up
by depositing heat at the material surface in
a time-varying fashion. The thermal-wave
phenomenon exploits a similarity between
the general diffusion equation
ut = D uxx
[1]
and the wave equation
wtt = c2 wxx
[2]
where subscripts refer to partial differentiation. Thus ut is the first partial derivative of u
with respect to time, and wxx is the second partial derivative of w with respect to position. In
the diffusion equation, u represents the concentration of whatever is diffusing (such as
heat), so in Eqn. 1, it represents temperature.
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> STEMMER IMAGING: Imaging is our Passion!
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STEMMER IMAGING is Europe's largest
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STEMMER IMAGING are the developers
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manufacture application-specific products
to enable complex solutions to be realised
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choosing an imaging solution. STEMMER
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As Europe's largest imaging technology
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Phone: +49 89 80902-0
Fax:
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VisionSystems
D E S I G N
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In the wave equation, w represents whatever
is waving, such as water depth or sound pressure. Both D and c are scalar constants, and
both equations refer to plane waves.
Both equations have solutions when driven
by a sinusoidal forcing function
f = A sin(ωt)
[3]
Evanescent waves
If it were an ordinary wave, over time a standing wave would build up with constant amplitude through the material’s thickness. Being
an evanescent wave, however, by the time
it has reached one wavelength in, its amplitude is drastically reduced. Should the wave
encounter a crack or delamination, its penetration is even more drastically reduced
where A is a scalar amplitude, ω is the angular
frequency in radians per second, and t is time.
The difference is that the solution for Eqn. 1 is
an ordinary wave, which has a constant amplitude as it moves along, whereas the solution to
Eqn. 2 is an evanescent wave whose amplitude
decreases exponentially with distance from the
surface (see Fig. 1). While an ordinary wave
carries vibrations through the material, like a
sound wave through FRP, the oscillations in an
evanescent wave are trapped in a layer about a
wavelength thick below the material’s surface.
Thus, a sinusoidally varying source depositing heat on the surface of a turbine blade will
set up evanescent heat waves. When the heat
deposition is high, the surface temperature
rises rapidly and heat soaks into the material,
raising the temperature beneath. As the heat
source cools, however, the temperature at the
surface cools rapidly, pulling heat back out of
the interior and setting up a heat wave.
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because the heat cannot penetrate past the
broken surface.
AT uses high-powered halogen lights to
deposit heat on the turbine blade’s surface at a
constant rate depending on the lamps’ power
level, the area illuminated, and the surface
material’s infrared emissivity. The system
sinusoidally modulates the light amplitude to
excite a heat wave. The heat-wave amplitude
012
013
014
015
016
017
018
019
020
021
022
023
024
025
026
Heated
surface
027
Ordinary
wave
put your inspection on course to win
Evanescent
wave
> Common Vision Blox is the perfect software platform for quick and reliable vision application develop-
Delamination
ment. This fast, powerful, modular programming
library supports all common acquisition technologies.
Blocked
wave
Based on a set of highly optimized algorithms, users
can even integrate custom code for total flexibility. For a cost-effective, truly
industrial product, test Common Vision Blox today. Imaging At Its Best.
FIGURE 1. Ordinary waves in one dimension
retain their amplitude as they move through
the medium. Evanescent waves dissipate rapidly.
Thermal waves achieve higher amplitude at the
surface when they meet an insulating barrier
(such as a delamination) before dissipating.
w
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VisionSystems
D E S I G N
Download your own test version at:
> www.commonvisionblox.com
August 2009
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SPOTLIGHT
on
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Market Opportunities
depends on power rate, the material’s
As one can imagine, however, for
specific heat, and the amount of matethermal waves attempting to penetrate
rial in the affected zone.
FRP, frequencies are down in the subWhile heat continually soaks in, raismillihertz region. At such frequencies,
ing the average temperature of the blade
it makes more sense to think in terms
material, the heat wave is a disturbance
of the period (2π/ω). The period of a
1-mHz
wave is about 15 minutes, which
riding on top of that average level. So,
provides a penetration depth of only a
the temperature measured at the surfew millimeters. To reach penetration
face becomes the sum of a monotonidepths of many centimeters requires
cally increasing function of time and a
very long test periods.
sinusoid with constant amplitude.
The penetration depth attainable in
When a delamination or crack is
a test is thus constrained by how much
buried less than one wavelength below FIGURE 2. Pseudocolor lock-in thermography images
time can be practically devoted to making
the surface, the heat wave is blocked and show subsurface delaminations and flaws as areas of
heightened thermal-wave amplitude. Flaws closer to the
the test. To reach greater depths requires
thus affects less material. Its amplitude
surface cause greater thermal-wave amplitude increases.
spending more time acquiring data.
therefore becomes larger. This effect
can be measured at the surface.
How deeply into the material the techA thermal imaging camera mapping the nique can see depends, of course, on the Noise, noise, noise
surface temperature at a frame rate much wavelength, which equals the product of On time scales of tens of minutes and longer,
faster than the light modulation rate will see the wave speed in the material and the heat the outdoor thermal environment is fairly
a delamination “shadow” as an area where source’s variation (i.e., the forcing function) noisy. Wind gusts, heating from direct solar
the temperature-oscillation amplitude is frequency. The wave speed in turn depends irradiation, and solar heating variations due
higher than that of the surrounding area. The on the ratio of the material’s thermal con- to intermittent cloud cover all add signifirelative amplitude increase provides a mea- ductivity to its specific heat, which are both cant noise to the sinusoidal forcing function.
sure of the depth of the delamination. A sim- constants for the material. The wave speed To maximize the signal-to-noise ratio (SNR),
ilar technique called transient thermography is thus also a material constant. To look AT engineers have employed a signal-analysis
uses a pulsed heat source to excite heat waves more deeply into the material, engineers technique called lock-in detection, which they
implemented in software.
but is more susceptible to interference from need only lower the frequency.
environmental effects.
Turbine blade
AT has developed software to compare therunder test
Tracking
mal images in a long sequence to map the tempower
supply
perature-oscillation amplitude as a function of
Halogen
position over the inspection area and convert
Lamp power
lamp array
that amplitude to depth below the surface.
Modulation signal
The system’s final output is an image showing
any delaminations within the measurement
Host computer
range, with the delamination depth coded
Test
running IrNDT
area
IrX
by either color or gray level. Cristian Ferber,
software
applications engineer at AT, says he personally
prefers grayscale displays, but many of his cusTrigger
Control signals
interface
tomers expect pseudocolor images.
If there are no delaminations in the imaged
area, the image shows a uniform light gray. If
IR
camera
the measurement range is, say, 2 cm, delamCamera interface
inations appearing farther in will be indistin(FireWire)
guishable from solid material. A delamination
at a depth of, say, 1.5 cm will appear as a slightly
FIGURE 3. Automation Technology designed custom interface electronics (the IRX-Box) to
darker patch of gray. A delamination only coordinate image acquisition from the IR camera with a thermal forcing signal from the halo1.0-cm deep will appear much darker, and one gen lamp array. The company’s IrNDT software running on a host computer performs lock-in
only 0.5-cm deep will appear darker still.
detection of thermal waves in the image sequence.
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Lock-in detection relies on the fact that if you multiply two sinusoidal signals together, then integrate their product over an infinite time,
the resulting signal amplitude is a Dirac delta function (also called an
impulse function) of the difference in frequency between the two signals.
This technique, called convolution, makes it possible to pick out a particular signal in a noisy environment. The convolution integral equals the
product of the two signals multiplied by a delta function.
Scientists and engineers have used the convolution integral as the
basis for (among other things) Fourier transforms, resonant filters, heterodyne and superheterodyne radio receivers, and lock-in detectors.
Practical implementations generally combine an incoming signal (such
as a thermal-wave signal) and a locally synthesized comparison signal
at the frequency of interest. Lock-in detection’s ability to separate waves
at the forcing-function frequency from out-of-band noise makes it possible to improve lock-in thermography’s SNR.
In AT’s turbine-blade inspection application, the lock-in detector
is implemented in software. An infrared camera collects thousands of
images of the surface temperature pattern in an approximately 1-m2
area on the turbine blade during a test session. The frame rate is typically on the order of 1000X the forcing function frequency, so the
total number of images is roughly the number of forcing cycles in the
test times 1000. The amount of image-storage memory is thus another
practical constraint on how deeply engineers can look into a turbine
blade and how precisely they can pinpoint a defect’s depth.
The AT software, named IrNDT, multiplies the temperature of each
pixel in each image times the forcing function value at the instant the
image was taken, then adds the result to a memory location for that pixel.
After repeating the process for every image in the data set, the computer
holds a map of the convolution integral for each pixel in the image.
Random environmental influences do not correlate well with the
forcing function, so they have little influence on the map. Thermal
waves, however, correlate strongly with the forcing function and
thus strongly influence the map. Stronger thermal waves produce
larger integral values.
After subtracting a gray level and rescaling to fill the dynamic range,
the result is an image of the turbine blade with a more-or-less uniform
background level and darkened islands outlining cracks and delaminations. The closer a flaw is to the surface, the darker it appears. Grayscale levels can also be translated into false color maps coding depth
against a spectrum (see Fig. 2).
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The technique starts with engineers specifying approximately seven
test areas at critical positions on the turbine blade. They predetermine
test parameters, such as modulation periods, frame rates, and acquisition durations, tailored to each particular area to be inspected. If these
sample areas show no defects, the blade passes. If any defects are found,
additional inspections covering more of the blade might be called for.
Damage severity depends on the size and location of defects found. For
example, a small delamination at the blade root, where both flexural
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SPOTLIGHT
on
Accompanying
Congress
Market Opportunities
„Mit Blick in die Zukunft“
Invent the future!
The World of Industrial Assembly Technology and Automation
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Theme Parks:
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moments and tensile forces are highest, might be more serious than a
much larger void at the tip, where stresses are relatively small.
Wind turbine blades are made by encasing a relatively light core,
which determines the overall blade shape, in a sheath or skin made of
FRP, which carries the bulk of the stresses. This skin tends to be thicker
near the blade root, where forces and momentum are largest, and thinner farther along the blade. Thus, modulation periods and acquisition
times tend to be longest near the root. Frame rates, however, tend to be
controlled by the available image-acquisition memory. Generally, engineers want to acquire as many images as possible at each test location, so
they usually fill up the available memory for each test. So longer acquisition times call for lower frame rates.
The IrNDT software allows engineers to load the entire test procedure, including sample-area locations and the test parameters for
each area, into computer memory. Technicians can then mount the
test set, consisting of the computer, halogen lamp assembly, infrared
camera, and support electronics onto a movable platform attached
to the wind turbine (see Fig. 3). The platform provides 360° access
around the blade. Moving the platform up and down the turbine
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FIGURE 4. The lock-in thermography system is portable, allowing
NDT of blades without having to remove them from the wind turbine.
ort
Organizer:
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Gustav-Werner-Straße 6 · D - 72636 Frickenhausen · Tel. +49 (0) 7025.9206 - 0
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Member of the associations:
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40
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www.schall-virtuell.de
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support mast allows them to reach the entire
blade length (see Fig. 4).
To set up the test, they aim the lamp assembly at an angle to the blade surface and aim the
camera normal to the blade. Thus, the camera
has a direct view of the blade with no projection effects and avoids specular reflections of
the lamp from the blade’s smooth surface. This
arrangement allows the camera to monitor surface temperatures across the test area while the
lamp assembly heats it more or less uniformly.
The slight variation in heat rate caused by bladesurface curvature is predictable and easily compensated by the IrNDT software.
The software controls the acquisition
through a proprietary interface called the
IRX-Box. It generates trigger signals for the
camera, and an illumination power-level
signal for the lamp-assembly power supply
(PowerBox). The camera returns acquired
images through a standard digital video interface such as GigE or FireWire.
Because wind-turbine installations vary so
much, AT builds what amounts to a semicustom system for each installation. They
have designed the IRX-Box, for example, to
accommodate most IR camera models and
specify the camera interface to match the
camera selected. The company so far has
more than 200 installations in the field.
“This method works very well for detecting defects near the surface,” Ferber points
out. “Users typically detect defects as deep as
10–15 mm below the surface. If you want to
see defects that are deeper into the material,
you have to do measurements over a longer
period of time. At some point, the measurement time becomes so long that it’s not worth
doing. For lock-in measurements, typical
measurement times would be between 30
sec to 5 min depending on what you want
to achieve. You can do measurements over a
half hour and you would see defects that are
deeper in, but imagine if you have to cover an
area of so many square meters! With 5 min
you could reach about 10 mm.”
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The technique’s main advantage is that it
can cover large areas in one measurement and
routinely check condition of many blades rapidly. Also, the equipment is easily transportable
from one turbine to another. A third advantage
is that lock-in thermography is less affected by
external influences such as sun and wind, so
blades can be checked in situ, with no need to
dismount them and bring them into a shop.
Finally, software control allows engineers to
predefine a test procedure for a given blade type,
then have technicians use it for routine monitoring of many blades of that type. The engineers can then concentrate on failure analysis of
blades found to be running into trouble.
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August 2009
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VisionSystems
D E S I G N
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VisionSystems
D E S I G N
product focus
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on Smart Cameras
Embedded Intelligence
Smart camera vendors are leveraging embedded processors and on-board software
to increase the ease of use of their products
Andrew Wilson, Editor
Leveraging the developments in digital signal
processors (DSPs), RISC-based processors,
and low-cost CPUs, smart camera vendors
are now offering relatively low-cost products
that can replace host-based machine-vision
systems. Embedding image capture, processing capability, on-board memory, and standard camera interfaces, these _______
autonomous
networked smart camera systems dramati_____________________
cally reduce the final cost of machine-vision
and image-processing systems.
In the development of smart cameras,
vendors have recognized the need to provide system integrators with products that
can be easily tailored for specific machinevision applications. Encompassing a number
of different image sensors, processors, and
I/O interfaces, many of today’s smart cameras are bundled with software packages that
range from basic compiler support to_____
sophisticated machine-vision software capable of per__________________
forming functions such as geometric pattern
matching and color analysis.
is offered by each manufacturer. Cameras
can be classified as those that offer basic software development tools and low-level development libraries, those that can be configured to perform machine-vision tasks such as
gauging and image analysis, and those that
are offered with full software development
packages. The sophistication of the developer,
time to market, and cost of deploying the systems is of paramount importance.
Programmers who wish to implement relatively low-cost smart camera systems may
only require products such as the ______
leanXcam
smart camera from Supercomputing Systems,
________
a Blackfin DSP-based camera that runs under
μClinux. The camera is supplied with the freely
available Open-Source Camera (OSCar) Software Framework that provides a library of programs together with source code.
Although low-cost hardware may be
more difficult to program, it does allow
system developers to build
more sophisti_____________
cated
machine-vision
cameras.
__________________ FiberVision,
for example, offers a number of smart cameras based around camera modules from
Vision Components. In its latest Caminax
______
smart
camera,
FiberVision’s
software
allows
________
developers to graphically edit machine-
Selecting software
Although currently available smart cameras
can be differentiated by their hardware functions, the choice of which camera to purchase
may be more dependent on the software that
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August 2009
43
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product focus
Expanding the
NI Smart Camera
Product Family
Higher Performance
and Resolution
Three new models for
embedded machine
vision applications
New DSP coprocessors
for pattern matching, OCR,
and data matrix reading
A
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on Smart Cameras
integrators into adopting a single development environment when developing a
machine-vision system.
Despite this limitation, the software
tools do supply developers with an easy
method to deploy machine-vision functions. Included in PPT Vision’s IMPACT
_____
Software Suite, for instance, the compa________
ny’s IMPACT Vision Program Manager
(VPM) features approximately 120 tools
FIGURE 1. FiberVision’s software allows developincluding OCR, blob analysis, circle
ers to graphically edit machine-vision programs
gauge, circular pattern find, line find, and
without programming or using script code. Here,
subpixel gauging. A preconfigured operathe gradient manager tool is being used to search
tor panel is built within VPM so inspecfor dark objects on a bright background.
tion data and pass/fail results can be disvision programs without programming or using played within the same software application.
script code (see Fig. 1). In addition to allowing
For its Digital Spot-It smart camera, Soliup to 250 regions of interest to be monitored, ton supplies software that enables the develthe camera’s on-board software allows pro- oper to develop custom image-processing
grams to be configured as images are acquired. routines without programming. The company’s Vision
Artist (SVA) package allows
________
Graphical development
system integrators to develop an image-proTo rapidly configure machine-vision appli- cessing script that includes image acquisition,
cations more easily, companies such as PPT image-processing functions, and I/O conVision and Soliton Technologies offer soft- trol (see Fig. 2). Using SVA, various imageware developers graphical development processing algorithms can be applied to the
tools with their smart cameras. At present images acquired from Digital Spot-It and
these software tools can only be used with tested to ensure that the script produces the
each company’s smart camera, forcing system correct results for each of the test images.
Built-in industrial
connectivity
>>
Read the whitepaper
at ni.com/smartcamera
800 891 2755
©2008 National Instruments. All rights reserved. National Instruments, NI,
and ni.com are trademarks of National Instruments. Other product and company names listed are trademarks or trade names of their respective companies. 2008-9899-221-101-D
44
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FIGURE 2. Soliton’s Vision Artist package allows system integrators to develop an imageprocessing script for its Digital Spot-It smart camera. Functions include image acquisition,
image-processing functions, and I/O control.
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D E S I G N
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Matrox
Smart Kamera
Iris GT & Design Assistant
U N D
I N D U S T R I E L L E
A N W E N D U N G E N
Intelligente Kameras mit komfortabler
Entwicklungssoftware — ideal für OEMs,
Systemintegratoren und End-User
NEU
Matrox Iris GT
Kompakte, robuste Bauform,
höchste Performance und Geschwindigkeit
und trotzdem äußerst preisgünstig
■ High-End Hardware
1.6 GHz Intel Atom Prozessor
VGA bis 1600 x 1200 Pixel, bis 110 fps
USB 2.0, RS-232, Gigabit-Ethernet
VGA-Ausgang
IP67 Gehäuse
■ Design Assistant Software
weltweit erprobte BV Module
Blob Analysis, 1D/2D Code Reader,
Edge Locator, Image Processing,
Intensity Checker, Metrology, OCR,
Pattern Matching, Calibration,
String Reader, Geometric Model Finder
T E C H N I S C H E ,
FIGURE 3. For its Iris GT smart camera,
Matrox offers an IDE called the Matrox
Design Assistant in which machine-vision
applications are created by constructing a
flowchart instead of writing code.
and National Instruments, for example, have
tailored their software as easy to confi gure
GUI-based development packages that can
be used with their smart camera offerings.
With the introduction of its Iris
GT
smart
______
___
camera,
Matrox
offers
an
integrated
develop____
ment environment (IDE) called the Matrox
Design Assistant, in which machine-vision
applications are created by constructing a flowchart instead of writing code. This IDE also
enables users to directly design a graphical operator interface to the application (see Fig. 3).
Similarly, for its range of smart cameras, NI
offers its Vision
Builder for Automated Inspec______________________
tion (AI) software, a configurable machine___________
vision development environment that requires
no programming. With Vision Builder AI,
developers can build machine-vision applications without the use of a programming language. Interestingly, both the Matrox Image
Library (MIL) and NI LabView are also available on other smart cameras, most notably
those from Sony Electronics.
Companies that in the past only offered
software products for use with their own
smart cameras are now beginning to recognize the importance of establishing a broad
W I S S E N S C H A F T L I C H E
Time to market
The trend toward faster time to market has
also been recognized by those companies that
have traditionally been associated with offering sophisticated machine-vision and imageprocessing software. Both Matrox Imaging
FIGURE 4. Halcon machine-vision software from MVTec runs on multiple smart cameras including
Sony’s XCI-V100/C and XCI-SX100/C. By using Windows XP Embedded in the camera, application
development can be performed either in the smart camera or a on PC using the company’s IDE.
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B I L D V E R A R B E I T U N G
F Ü R
schnellste Umsetzung
übersichtliche und intuitive Applikationsentwicklung mit einem Flussdiagramm
— ganz ohne Programmierung
NEU
kostenlose Test-Version und Infos
zum Integrator-Programm anfordern !
RAUSCHER
Telefon 0 8142/4 48 41-0 · Fax 0 8142/4 48 41-90
eM ail info @ rauscher.de · www.rauscher.de
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product focus
to be faster and more secure? Do you
want to reduce your error ratios and
minimise rejects? Do you want to manu-
facture at a more reasonable cost and
improve your products?
Then you are a
VISIONARY, too!
Optimise your quality assurance by
using intelligent machine vision systems.
VISION, the world’s leading trade fair for
machine vision and identification technologies, will be presenting solutions for a
number of industries such as machine
building, the automotive industry, the
packaging and food industry, transport
and logistics, security technology and
much more. In the Application Park and
the VISION Integration Area, we will
be showcasing state-of-the-art system
solutions and innovative machine vision
applications.
N
With VISIO ea &
Ar
Integration
n Park
Applicatio
Messe Stuttgart Halls 4+6
www.vision-messe.de
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on Smart Cameras
base for their products. Acknowledging that
time to market is important, companies such
as Cognex have begun strategic alliances
with camera manufacturers.
Started in January this year, the Cognex
alliance now has 10 members including
Allied Vision Technologies, DALSA, Point
Grey Research, and Sony. While many of
these companies do not (yet) offer smart cameras, Sony now offers VisionPro from Cognex
as an option on its XCI
series.
______
Do you want your production processes
A
Embedded solutions
Capitalizing on the growing trend toward
embedding software in smart camera products, companies that presently only develop
machine-vision software have also ported
their software to smart cameras. _______
Halcon 9.0
software from MVTec Software also runs on
_____
Sony’s XCI-V100/C and XCI-SX100/C and, by
using Windows XP Embedded in the camera,
application development can be performed
either in the smart camera or on a PC. This
can be done using MVTec’s Integrated Development Environment (IDE) that allows developers to build image-processing solutions fast
while acquiring images (see Fig. 4).
In addition to running on Sony smart
cameras, Halcon is supported on the ____
eXcite
camera
from
Basler
Vision
Technologies,
____
the SM2-D1024-80/VisionCam
PS intel_______________________
ligent camera from Photonfocus, and the
________
eneo SC Series from Videor. MVTec has
__________
also performed initial performance measurements of Halcon 9.0 running on smart
___
cameras from Vision Components.
_____________________
Despite the large number of cameras
available, the number of companies currently offering smart camera products is still
relatively small. Perhaps the main reason
for this is the cost of embedding sensors,
FPGAs, on-board processors, memory, and
interfaces into standalone systems. However,
with miniaturization on the upswing, it will
become increasingly easy for camera manufacturers to develop ever smaller smart cameras at lower cost.
To compete, companies that currently support limited software capability with their
camera offerings may be forced to develop
more sophisticated programs. Those companies that only offer machine-vision software on their own camera products may also
move toward deploying this software across
cameras from multiple vendors. Likely as not,
a meeting of both of these approaches will
occur, providing a boon for software developers and system integrators alike.
Company Info
Allied Vision Technologies
Stadtroda, Germany
www.alliedvisiontec.com
Basler Vision Technologies
Ahrensburg, Germany
www.baslerweb.com
Cognex, Natick, MA, USA
www.cognex.com
DALSA, Waterloo, ON, Canada
www.dalsa.com
FiberVision, Würselen, Germany
www.fi
bervision.de
__________
Matrox Imaging
Dorval, QC, Canada
www.matrox.com/imaging
MVTec Software
Munich, Germany
www.
mvtec.com
_________
Austin, TX, USA
www.ni.com
Photonfocus, Lachen, Switzerland
www.photonfocus.com
Point Grey Research
Richmond, BC, Canada
www.ptgrey.com
PPT Vision, Bloomington, MN, USA
www.pptvision.com
Soliton Technologies
Bangalore, India
www.solitontech.com
Sony Electronics
Park Ridge, NJ, USA
www.sony.com/videocameras
Supercomputing Systems
Zurich, Switzerland
www.scs-vision.ch
Videor, Rödermark, Germany
www.videor.com
Vision Components
Ettlingen, Germany
www.vision-components.com
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Microscan Precision Data Acquisition and Control Solutions
Machine Vision, Precision Lighting and Auto ID
Microscan is a global technology leader focused on precision data acquisition and control solutions serving a wide
range of automation and OEM markets.
We help thousands of manufacturers around the world to
drive down cost and waste, automate processes, and increase yields.
What We Do
Microscan helps manufacturers around
the world drive down cost and waste,
automate critical manufacturing processes, and increase yields though
Track, Trace, and Control Solutions.
Enhanced Productivity Through Data
TRACK: Where is it now?
TRACE:
Where has it been?
CONTROL:
Where is it
going?
Applications
We enable critical production level
applications such as:
Quality control
Work-in-process monitoring
Guiding the movement of goods
Component level traceability
Sortation
Lot tracking
Quality inspection
Verification
Gauging
Measurement
FREE trial version
of Visionscape®
software:
www.microscan.com
Technology Leadership
Microscan has a strong history of technology innovation. We are the inventor
of the laser diode barcode scanner,
and the 2D symbology, Data Matrix.
Today, Microscan
continues to be a
recognized technology leader within the machine
vision and auto ID
industries.
Machine Vision
Microscan holds one of the world’s
most robust patent portfolios for machine vision technology, including software algorithms, hardware design, and
illumination. Our Visionscape® software
and NERLITE® lighting brands pioneered
the machine vision industry.
Our Products
Microscan has an extensive product
portfolio of machine vision and barcode auto ID products.
Barcode Auto ID
Fixed readers
Handheld readers
Verifiers
Machine Vision
Hardware
Software
Lighting
Contact us:
Tel: 800.762.1149
Fax: 425.226.8250
Email: [email protected]
www.microscan.com
©2009 Microscan Systems, Inc. ML019A 07/09
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E-mail your product announcements, with photo if available, to [email protected] | Compiled by Carrie Meadows
Vision + Automation
PRODUCTS
Camera Link units come in two- or four-tap models
The AViiVA II camera series features sensors with resolution up to 4k pixels with various pitches. Available with Camera Link interface in either four or two
taps, the camera delivers 68-dB dynamic range with up to 160MHz operation in standard format (higher speeds available for custom versions). The first releases will be the
EM2 CL series two-tap Camera Link and the EM4 CL
series four-tap Camera Link models. They maintain the
mechanical footprint of the current AViiVA models—
specifically the 56 × 60-mm front face.
e2v, Chelmsford, UK, www.e2v.com
Lens optimized for use with up to 1.3-in. sensors
The APO-Xenoplan 2.0 24-mm lens is designed to perform with
Kodak 4-Mpixel microlens-based sensors. The angle from light
farther and farther from the sensor’s center will strike the microlenses at nearly the same angle and produce equal illumination
across the entire sensor. This eliminates off-axis shading caused
by employing conventional C-mount lenses. The 24-mm lens is
optimized to cover the 1.3-in. C-mount format and can be used
on smaller formats that do not contain the microlenses.
Schneider Optics, Hauppauge, NY, USA, www.schneideroptics.com
Sensor available
with advanced
object recognition
The SVS2 vision sensor is available in two different versions
according to the installed control tools: Object Recognition
(OBJ) and Advanced Object
Recognition (AOR). It is a completely embedded device with
optics, red LED illuminator, and
electronics included. The sensor
is configured via PC through
Ethernet communication. Available control typologies include
brightness, contrast, position,
width, count, pattern match,
contour match, and 360degree pattern match (available
only in AOR models).
Datalogic
Bologna, Italy
www.automation.
datalogic.com
Video microscope stores images without PC
The FlyInspector is a standalone system for rapid online inspection and image
storage. Equipped with a full high-definition autofocus camera (2.1-Mpixel), the
video microscope delivers 1920 × 1080 pixels. The drift-free, self-balancing arm
with six axes of movement stays where placed and allows inspection and
documentation within a 1-m radius. The integrated lighting permits exact
illumination of the inspected area and can be widely adjusted. Image storage
is available with one click without requiring an additional PC.
Technolab, Berlin, Germany, www.technolab.com
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SVS-VISTEK
Digital high-performance cameras and comprehensive machine vision expertise
Founded in 1987 SVS-VISTEK can look back on more than 20 years of
experience in the professional machine vision branch. Since 1999 the
company has been developing and manufacturing its own cameras –
until today at 100% in Seefeld, Germany, in their own clean rooms
and by means of state of the art testing technology. Today, we are one
of Germany’s leading manufacturers of industrial cameras, a reliable
supplier of components for machine vision purposes and a specialist
for highly integrated systems and solutions.
Know-how Transfer
Camera development & production, distribution of components, sysstem
solutions development: Combining these three core competences of
SVS-VISTEK and many years of experience leads to synergistic effects
we place at our customers’ disposal. Our detailed knowledge and
understanding of diverse branches of trade are the basis for the
development of our cameras, for our efficient service and for competent
customer support.
SVCam – high-performance CCD cameras made by SVS-VISTEK
“SVCam” stands for high-performance CCD cameras developed and
manufactured in a modular design and a high degree of taylorability.
Three camera lines, representing high-end solutions ensure matching
exactly the specific needs of our customers: Be it minimum size
(SVCam-ECO), highest frequencies (SVCam-CF) or maximum resolution
(SVCam-HR). SVS-VISTEK cameras are more than just highest-level
technology. Efficient, lean and customer-oriented processes in production,
administration and service ensure our clients full satisfaction. Maximum
quality is obtained by a careful selection of our suppliers and by a
constantly
t tl constructive
t ti di
dialogue
l
with
ith our partners.
t
Global presence
SVS-VISTEK makes use of a world-wide network of efficient partners
and experts who are responsible for the dialogue with our customers,
the service and the support of our SVCam camera line on site.
Be it with competent advice, the flexible composition of our products
or simply by prompt reactions and deliveries on time: For SVS-VISTEK
it is always the customer who is in the focus of action since we strive
to contribute to his success with our products and services.
SVS-VISTEK GmbH · 82229 Seefeld/Germany · Tel. +49 -(0) 81 52- 99 85-0 · [email protected] · www.svs-vistek.com
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+ Automation Products
Vision ■
Metrology system captures
500 million pixels in 3 s
2 × 2-pixel binning or region of interest modes.
NxtGen-Wash, a metrology technique
A board-level option, which measures 40 ×
for washed panel applications, is part of
25 mm, is available for qualified OEMs.
the new NxtGen family of inspection and
Point Grey Research
It complies with the IIDC v1.31 specification.
metrology systems. Darkfield optics detect
Richmond, BC, Canada
defects smaller than the optical pixel. The
www.ptgrey.com
X-ray camera uses VLA CMOS sensors
The portable SkiaGraph8 PT camera supports x-ray energies of 10–160 kVp, appropriate for medical and veterinary applications
as well as industrial inspection applications.
The cameras build upon a tiled configuration
Inspiration for
CEOs, CFOs,
CVOs, CTOs,
CQOs, CDOs:
of RadEye100 very large area (VLA) CMOS
image sensors to achieve a total active sensing area of 8 × 8 in. (20 × 20 cm). Real-time
technique achieves high throughput rates
imaging occurs at up to 1.4 frames/s (5.3
the new SVCam-ECO
and large depth of field. It has the ability to
measure panel warp/thickness or concentrator profile ±15 μm. More than 500 million
pixels are captured and analyzed in 3 s.
Dark Field Technologies
Orange, CT, USA
www.darkfield.com
USB camera acquires
VGA images at 60 frames/s
frames/s in binned mode). Pixel size is 96 μm
The Firefly MV model FMVU-13S2C camera
(5 lp/mm spatial resolution), with more than
is designed around the color version of the
4 million pixels overall. A choice of scintillators
1/3-in. Sony IMX035 CMOS image sensor,
provides sensitivity as high as 500 ADU/mR.
which features a 1328 × 1048 square pixel
Rad-icon Imaging
Santa Clara, CA, USA
www.rad-icon.com
PoCL cable assemblies
enable smaller camera designs
High-speed 0.8-mm cable assemblies for
power over Camera Link (PoCL) are based
Convincing benefits regardless who is
making the decision. Learn more at:
on the PoCL Base configuration for machinevision applications. PoCL cables mate to
industry-standard shrunk delta ribbon
www.svs-vistek.com/eco
(SDR) 26-position PoCL camera connections,
array, high signal-to-noise ratio, high color
enabling machine-vision cameras to be pow-
fidelity, rolling shutter, and no smear. The
ered through the data cable rather than a
camera’s USB 2.0, 480-Mbit/s digital inter-
separate power cable, which potentially elimi-
face transfers both data and power and
nates the need for a power connector.
allows full 1328 × 1048-pixel raw Bayer
3M Electronics Solutions Division
images to be acquired at 23 frames/s or VGA
Austin, TX, USA
at 60 frames/s using either of the sensor’s
www.3minterconnects.com
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SVS-VISTEK GmbH
82229 Seefeld/Germany
Tel. +49-(0) 81 52- 99 85-0
[email protected]
www.svs-vistek.com
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ADVERTISEMENT
Intercon 1, a division of Nortech
Systems specializes in Machine
Vision technology and is the
premier producer of camera cable
assemblies in the United States.
Since 1988 it has led the market in
serving Machine Vision customers
by providing sophisticated
engineering, specialized tools
and methodologies to support
ground breaking vision technology.
By helping to develop critical
commercial standards it has also
remained a conceptual leader
within its industry.
Featured products
CCXC Specialty Adapters
(“Oops” cables)
Sometimes known as the “Oops”
cable series, these unique 8”
adapter cables allow you to
change the gender and/or
connector type
of a cable
end or
connect
two
cables in
the middle.
Extension
cables for CCXC
and related applications that will
meet your changing needs are
offered in your choice of lengths
through this series.
Specialty Bulk Cable
Intercon 1 provides Hi Flex industrial
cable for the most demanding
of Vision, Robotics, and Laser
applications.
and/or connector type of a cable
end or connect two cables in the
middle.
Intercon’s Inter ex series, which
is designed for 1 million + cycles
and their Inni ex series, designed
for 10 million + cycles, utilize
specialized materials, designs and
manufacturing methods resulting in
a cable which is able to withstand
the harshest of environments and
providing reliable performance
throughout the life of the cable.
Remote Head Cable Assemblies
Intercon 1 offers Remote Head
cables to interface between
camera heads and control units.
Most congurations are available
in high ex, Teon, and Right Angle
versions. Simply provide Intercon’s
knowledgeable staff with the name
of the camera manufacturer and
model number and Intercon will
provide you a solution specically
designed for that system. Intercon
offers remote head cables for
manufacturers such as JAI Pulnix,
Sony, Toshiba, Hitachi, Panasonic
and others. Many lengths are
available for same day
shipment. In addition,
this product line
includes specialty
adapters which
allow you to
change
the gender
Camera Link® Cable Assemblies
With the industries
most complete
selection of
Camera
Link® cable,
connector
and
orientation
options
Intercon 1 has
a tailored solution
for your specic
application. Whether it
be right angle up, down,
right or left, low prole, clasp, ribbon
cable, round cable, Inni Flex cable
featuring Gore™ Hi Flex Camera
Link® cable, or assemblies with
video or camera control breakouts,
Intercon has the options at hand to
provide the optimal solution for your
application.
For more information on these or
other Intercon products visit
www.intercon-1
.com.
_________________
Featuring
GORE Camera Link®
High Flex Flat Cable
TM
Intercon 1
(a Division of Nortech Systems)
7746 Goedderz Rd. Suite 110
Baxter, MN 56425
Tel: 218.828.3157
Fax: 218-828-1096
www.intercon-1.com
VisionSystems
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+ Automation Products
Vision ■
F
Connection
The
Embedded vision system
features multicore processing
for multiple cameras
has been made
made!
Camera Link
The NI EVS-1464RT embedded vision system
is a multicore controller capable of processing images from multiple IEEE 1394 and GigE
Vision cameras. The EVS-1464RT features
an extended temperature range, real-time
operating system, solid-state hard drive, and
fanless design suitable for harsh industrial
environments. Various connectivity options
allow engineers to use many different types
of cameras to perform simultaneous inspec-
tions the CCD for accurate focus in both color
tions. The system can be configured with
and black-and-white modes. Minimum illumi-
NI Vision Builder for Automated Inspection
nation is 1.0 lux color and 0.08 lux B/W (at
(AI) and also can integrate with NI LabVIEW
f/1.4 in 1.3-Mpixel mode). The camera fea-
graphical system design software and the
tures IPv4/v6 compatibility and Power over
NI Vision Development Module.
Ethernet (PoE).
Panasonic System Solutions
Austin, TX, USA
Secaucus, NJ, USA
www.ni.com
www.panasonic.com/i-Pro
Washdown light has 5x intensity
of standard high-current LEDs
Camera captures two
exposures within one frame
The Brick spotlight, a high-output washdown
The Phantom v310 camera offers a top speed
light, has six high-current LEDs. The housing is
of 3400 frames/s at maximum resolution of
built with 316 stainless steel and is compliant
1280 × 800 pixels. At reduced resolution, it
for use in the food industry. The light meets
can record at speeds up to 500,000 frames/s.
IP68 standards and is corrosion resistant. It
The wide aspect ratio afforded by the pro-
is available in white, red, amber, blue, green,
prietary CMOS sensor allows users to keep
cyan, UV, and IR outputs. The light includes
moving subjects in-frame longer. Available in
an integrated constant-current driver with a
color or monochrome, the camera’s CMOS
Mini
Camera
Link
Gig E
IEEE1394
A&B
built-in strobe input with option for PNP or
NPN trigger control. An external driver is not
required. The integrated driver also includes
High-Flex
cable for
industrial
applications
variable light intensity control.
Smart Vision Lights
Muskegon, MI, USA
www.smartvisionlights.com
Choose from our
Network camera achieves
30 frames/s in H.264 format
sensor features an active pixel size of 20 μm.
The i-Pro WV-NP502 Super Dynamic 3-Mpixel
blur and accentuate detail. The unit supports
Exposure times as fast as 1 μs help eliminate
network camera performs in virtually any light-
8- and 12-bit pixel depth and incorporates
ing condition. With streaming H.264, MPEG-
Extreme Dynamic Range (EDR) technology,
4, and JPEG compression formats available, it
which allows users to capture two different
achieves 30 frames/s in H.264 format (in 1.3-
exposures within a single frame.
Mpixel mode). It offers face detection, adap-
Vision Research
tive black stretch technology, and adaptive
Wayne, NJ, USA
digital noise reduction. Auto back focus posi-
www.visionresearch.com
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wide selection of in-stock cables,
or contact us in regard to your
custom application.
Intercon 1
A Division of Nortech Systems
[email protected]
www.intercon-1.com
(800)
237-9576
August 2009
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Pro du c t S howc as e
A D V E R T I S E M E N T
RCX C-Link Coax2 expands
EDT’s line of compact longrange adapters to include
Camera-Link-to-coaxial. This
adapter is ideal for retrofitting
high-resolution cameras in
aircraft, ships, and other sites
that already have coax runs,
or for supporting new coax
applications. Most base-mode
Camera Link cameras are
supported. Contact 503-6901234 / 800-435-4320.
Latest Piranha HS
delivers highest speed
and responsivity
for high volume
production
Piranha HS features 4k
resolution with 14 × 14 micron
pixels and an incredible 110
kHz line rate with throughput
of 640 MPixels/s. Featuring
proprietary TDI technology,
the Piranha HS delivers
responsivity of 11,800DN/
(nj/cm2) at 0dB gain, 12 bit
with 100x anti-blooming.
DALSA Piranha HS 110 kHz
www.dalsa.com/piranhahs/v8
PixeLINK’s Full Line
of Machine Vision Cameras
•
•
•
•
•
•
•
Monochrome & Color Digital Cameras
CMOS and CCD technology
XGA to 6.6 MP
3 configurations (Straight, Right-Angled, Board Modules)
Gigabit Ethernet, FireWire or USB 2.0 Interface
Low noise, excellent anti-blooming and low-light sensitivity
Easy to use Software Development Kit with full support
www.edt.com
Bringing the latest news,
technology and opinions
in machine-vision and
image-processing to
engineers and engineering
managers everyday.
www.pixelink.com
CCD Line Scan Cameras
VC Solar Solution
monochrome and color – 128 up to 12000 pixels
Modular Interface Concept
Analog: RS422
Digital: LVDS
CameraLink
USB 2.0
SK 9170: Gray Scale Line Signal – 0
255
ZOOM
0
0
SK 9170: Gray Scale Line Signal – 1
255
ZOOM
TM
Microsoft
Windows xp
Professional
®
®
0
Schäfter+Kirchhoff also supplies a full
range of camera accessories, including
lens adapters, lenses, filters, and illumination optics as well as their mounting
systems. Our 40 years of experience in
optics and optical metrology enable us
to provide comprehensive advice for the
selection of the appropriate lens, and
the optimum illumination technique, for
the measurement task at hand.
0
monochrome
1.0
Spectral
range
0.0
400
600
800
Schäfter+Kirchhoff is a leading developer and manufacturer of a large variety
of line scan cameras for machine vision,
quality control, and general metrology.
1000
M
ad
e
in
Ge
rm
an
y
Color
Highly precise wafer positioning
under 2μm and edge inspection
www.SuKHamburg.de/linescan.html
54
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provides the user with the ideal
solution for all inspection tasks
in the solar cell production. All
components are standardized
and offer a cost-efficient
machine vision solution easily
to integrate into production
lines. VC Solar Positioner
provides for the wafer‘s
positioning with accuracies
under 2μm and VC Solar Edge
detects defects smaller than
1/10mm at the wafer‘s edge.
Processing time under 100ms
is guaranteed.
www.vison-components.com
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Advertisers Index
Advertiser / Page no.
Advertiser / Page no.
Basler AG 2, 34
National Instruments 44
DALSA 1, 30, 54
Opto Engineering srl 19
Edmund Optics 26, 27
P.E. Schall GmbH & Co. KG 40
EDT 54
PixeLINK 54
FastVision LLC 6, C3
Point Grey Research 42, 47
Fiberoptic Systems 24, 25
Prosilica 13, 22
Imaging Solutions Group 16, 17
Schaefter & Kirchhoff GmbH 54
IMI - North America 19
Silicon Software GmbH 14, 15
Intercon 1, Nortech Systems 52, 53
Sony Electronics 20, 21
JAI 39
SVS-Vistek GmbH 50, 51
Landesmesse Stuttgart GmbH 46
Vision Components GmbH 33, 54
LMI Technologies 10
VRmagic GmbH 28
Matrox Imaging 18, C4
International
Microscan 41, 48
IDS Imaging Development Systems GmbH 8, 9
Mightex Systems 41
Rauscher 45
MVTec Software GmbH C2, 12, 29
Stemmer Imaging GmbH 36, 37
This ad index is published as a service. The publisher does not assume any liability for errors or omissions.
Sales Offices
Main Office
98 Spit Brook Road, LL-1
Nashua, NH 03062-5737
(603) 891-0123
FAX: (603) 891-0574
Group Publisher
Kathy Bush
(603) 891-9434
FAX: (603) 891-0574
E-mail: [email protected]
Senior Executive Assistant
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FAX: (603) 891-0574
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Operations Manager
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North America
International
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(603) 891-9113
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33-1-3076-5543
FAX: 33-1-3076-5547
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972-9-899-5813
Product Showcase /
Inside Sales
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Reprints
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(800) 290-5460
or (717) 399-1900
Fax: (717) 399-8900
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Northern Switzerland,
Eastern Europe
Johann Bylek, Munich
49-89-904-80-143
FAX: 49-89-904 -80-145
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Adonis Mak
852-2-838-6298
FAX: 852-2-838-2766
VisionSystems
D E S I G N
Taiwan
Cindy Yang
886-2-2396-5128 #246
Subscription rate in the USA:
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$42; elsewhere via Int’l Air: 1 yr. $121,
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ON, Canada L2E 6S4.
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Bob Dromgoole
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______________
Japan
Manami Konishi
81-3-5645-1271
FAX: 81-3-5645-1272
E-mail: manami.konishi@
ex-press.jp
Vision Systems Design, Vol. 13
No. 9, Copyright 2009 (ISSN-10893709) is published 12 times a year,
monthly, by PennWell Corp., 1421
S. Sheridan, Tulsa OK 74112. Periodicals postage paid at Tulsa, OK 74112
and additional mailing offices.
Publications Mail Agreement No.
1421727
August 2009
55
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A glowing future
The advances in electronics integration in consumer products can help machine-vision system
designers—if they are willing to tear into the details
Ever since I was young, I have always liked
taking things apart, and my father, being a
mechanical engineer, was only too willing
to encourage me in my endeavors. And so
in 1979 when his expensive wooden cabinet-sized tube-based stereo system failed, I
decided to attempt to repair it.
After my brother and I lifted the cabinet to
the center of the living room, I unscrewed the
stiff card backing of the machine and peered
inside. There, in a large metal chassis was
an array of valves that stood proudly in shiny
round sockets.
I instructed my brother to turn the equipment on while I watched to see what happened. During the next few moments, the
glass valves began to warm up and emit their
eerie orange glow. That is, of course, all but
one. This, I thought must be the culprit so,
after turning off the stereo system and letting
it cool down for ten minutes, I removed the
valve in question.
Being a member of the press, I then tried
to leverage my contacts at Philips to obtain
a free sample of the Mullard valve in question. After being informed that Philips had
not made the product for more than ten years,
I was told that they could be obtained from a
small company in India. My contact generously offered to obtain the product for me and
ship it to my dad’s house. I was delighted.
Several weeks later, a package arrived at
the door from Philips. Excitedly, I opened
the package and gazed upon the shiny new
device. Following the same procedure as
56
August 2009
VisionSystems
D E S I G N
MY
VIEW
BY ANDY WILSON, EDITOR
ANDY [email protected]
before, I located the socket of the defunct
tube and placed in the new one.
To my delight, after switching the stereo
system on, the voice of a BBC newscaster
sprang from the speakers. Without engineering drawings, signal generators, or oscilloscopes, I had brought the stereo back from
the dead. Even my old man could not believe
it. In the decades that followed, valves were
replaced by discrete transistors, transistors by
TTL logic, and TTL logic by microprocessors,
VLSI devices, and gate arrays. And, of course,
everything is now smaller. In the machinevision industry, for example, system integrators can now purchase a smart camera replete
with sensor, CPU/DSP, memory, interface,
and on-board software for less than $2,500.
System integration par excellence
Nowhere, however, has this level of integration been more significant than in the development of consumer products. To develop
products such as mobile telephones, MP3
players, and portable televisions, engineers
use sophisticated electronic and mechanical
CAD packages rather than data sheets and
drawing boards.
Using these packages, it is possible to
cram more technology into a single square
inch than ever before. And, if well designed,
these products are less expensive, more reliable, and longer lasting than any valve-based
system could ever expect to be. For those
tasked with repairing such devices the task is
more complex. More than likely, should the
devices fail under warranty, they are replaced
free of charge by the manufacturer.
Today, it has become more expensive to
repair these devices than replace them with
new ones. Although this is not yet the case in
much of the machine-vision industry, those
developing products for this market are also
concerned with reducing cost and size.
To gain an advantage in this area, inquisitive engineers may want to take a look at what
their counterparts have accomplished in the
consumer market. Although purchasing
every latest miniature device, tearing it apart,
and characterizing each design may not be
a wise idea, companies such as Portelligent
(Austin, TX, USA; www.teardown.com) have
emerged that can provide this data for you.
Replete with external and internal photographs, parts lists, component counts, and
a manufacturing cost analysis, the reports
could provide you with just the edge you
need when developing your next product.
And you will not need a screwdriver, signal
generator, or an oscilloscope—just a check
or credit card.
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VisionSystems
D E S I G N
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SUFFERING STICKER SHOCK
FOR AN EXPRESS BUS CARD?
Get the facts and see the differences!
FEATURES*
ANALOG
LVDS
FULL CL
MEDIUM CL
BASE CL
16MB DRAM
BUFFER
USER GUI
EXTERNAL
TRIGGER
34mm PRICE
54mm PRICE
US
YES
YES
YES
YES
3
YES
THEM 1
NO
NO
YES
YES
1
NO
THEM 2
NO
NO
NO
NO
2
NO
YES
YES
YES
YES
YES
YES
$640 N/A
N/A
$670 $895/$995 $995
Call Alacron and
find your solution!
Alacron introduces the most complete
line of cost effective Express Card
solutions for your notebook. If we
can’t solve your problem, nobody can.
See us at:
www.Alacron.com
71 Spit Brook Road, Suite 200, Nashua, NH 03060
or call us at
603-891-2750
*Data as of 12/8/08
VisionSystems
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VisionSystems
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Experience the
smart camera
renaissance
Free Trial Software:
www.matroximaging.com/irisgt
Matrox Iris GT defines a new era in smart camera technology:
rugged: sturdy, dust-proof and water-resistant IP67-rated casing
fast: powered by 1.6GHz Intel® Atom® processor
connected: EtherNet/IP™, MODBUS®, TCP/IP, integrated I/Os and serial port
intuitive: flowchart-based integrated development environment
Matrox Imaging Authorized Integrators: Find one. Become one.
www.matroximaging.com/buy
Lens sold separately.
matroximaging.com / 1-800-804-6243 /+1-514-822-6020 / [email protected]
VisionSystems
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VisionSystems - Smart Vision Lights

Transcription

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