docAirborne Sensor Technology
download 
Report Transcription
Airborne Sensor Technology
Airborne Sensor Technology Arthur Rohrbach – Airborne Sensor Manager EMEA Geospatial Solutions Division (GSD) TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 1 The World of Airborne Sensor Technology TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 2 Agenda Hexagon Geosystems – Leica & Z/I airborne solutions Imaging Sensors – DMC & ADS & RCD30 Laser Scanning – ALS 70 Outlook - Summary TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 3 Constant flow of updated information! CAPTURE REALITY CREATE INFORMATION Constant Constantflow of updated flow of information updated to gain quality and efficiency information MANAGE & SHARE Titel Autor 15.02.2012 4 The Geospatial Solutions Division (GSD) TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 5 A Century of History with Zeiss & Leica RMK RMK RC TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 RC 6 … leading to a professional airborne sensor portfolio Leica ADS Pushbroom Z/I DMC II Frame Leica RCD Frame Leica ALS Imaging Imaging Imaging LIDAR Titel Autor 15.02.2012 7 7 From imagery … Titel Autor 15.02.2012 8 8 .. to popular web based information Titel Autor 15.02.2012 9 .. to professional (thematic) mapping … Titel Autor 15.02.2012 10 … to 3D modelling Titel Autor 15.02.2012 11 .. almost equal to the real world Titel Autor 15.02.2012 12 Agenda Hexagon Geosystems – Z/I & Leica airborne solutions Imaging Sensors – DMC & ADS & RCD30 Laser Scanning – ALS 70 Outlook - Summary TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 13 Complementary Portfolio – Pushbroom & Frame Airborne digital sensor ADS80 Digital frame camera DMCII continuous pushbroom scanning discrete perspective images forward view nadir view overlapping aerial photographs backward view TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 14 Large Format Digital Cameras (ADS80 , DMC II) DMC II Frame ADS 80 Pushbroom TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 15 Leica ADS80 Airborne Digital Sensor TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 16 Leica ADS80 - CCD layout in focal plane SH91 TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 SH92 17 Narrow Spectral band for Remote Sensing 1 Legend 2 1 Grass 2 Lime Stone 3 Sand, dry 3 4 5 6 7 4 Snow, old 5 Fir tree 6 Asphalt 7 Water TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 18 Leica ADS80 <> Best Imagery PAN RGN TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 RGB 19 Leica ADS80 Airborne Digital Sensor • Multispectral Pan and RGBN sensor • Innovative beamsplitter design provides equal resolution in all bands • 12000 pixels, 6.5um, in all bands in standard mode (Ratio 1:1) • 24000 pixel swath in HiRes Mode (Ratio 1:2) • Focal length 65mm (single lens design) • 100% forward overlap at all times • Continously recordable strip length • Dedicated Workflow • Very Rapid orthoprocessing and AT • High accuracy for DSM extraction TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 20 Leica XPro for ADS - Rapid Orthoprocessing 1,200 km2, 15cm GSD 12 lines, each 80 km, 3 Pan and 8 MS Approximately 7 hr flight at 130 knots Flight Download 400 GB ADS data format Georeferencing Trajectory calculation geo-referencing of L0 images WS with 6 server cluster 4h 0.5 h 0.1 h Automatic Point Measurement Aerial triangulation Bundle Adjustment 0.1 h 0.3 h Ortho photo RGB or FCIR 1,200 km2 1.7 h 6.7 h Feature extraction Due to image strips slightly faster than in traditional workflow Fly-through Similar to traditional workflow TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 21 Large Format Digital Cameras (ADS80 , DMC II) DMC II Frame ADS 80 Pushbroom TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 22 DMC II – First LF single PAN cone system TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 23 DMC II - Next Generation Sensor Design DMC optics designed by Zeiss DMC CCD sensor designed by Dalsa TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 24 With the unique DMC II Sensor Design R G PA N B NIR TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 25 DMC II230 – The LF Industry Standard DMC II230 exceeds the footprint of the first DMC by >13% • • • • • • • • Multi spectral sensor, RGB and IR 2.5:1 pan‐sharpened color resolution FMC forward motion compensation 2.2 second frame rate Large base/height ratio of 0.36 4x42 MPixel customized MSS CCD’s 1x230 Mpixel customized PAN CCD 15cm GSD from ~2500m flying height TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 26 Medium Format Frame Camera (RCD30) Leica RCD30 TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 27 Medium format for photogrammetry? • Multispectral, co-registered RGB and IR • Mechanical motion compensation, 2 axes • >1 second frame rate • two focal lengths, exhangeable (50mm, 80mm) • Stabilized lens system • High accuracy mapping range • Exchangeable central shutter • B/H ratio of 0.32 @ 60% overlap (50mm) • 2 x 60 MPx, 6um CCD for RGB and NIR • CC3x can control up to five CH6x • Image size single head 8956 x 6708 • Image size dual head 13216 x 8956 • 15cm GSD @ 3780ft flying height (50mm) • CCD made by DALSA (60 MPx) • Optics made by Zeiss • Weight CH6x 4 kg, CC3x 6kg TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 28 Images - FCIR TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 29 Agenda Hexagon Geosystems – Z/I & Leica airborne solutions Imaging Sensors – DMC & ADS & RCD30 Laser Scanning – ALS 70 Outlook - Summary TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 30 Laser Scanner – Leica ALS70 Product Line TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 31 What is ALS70? Various models available? TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 32 ALS70 Specifications TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 33 Leca ALS70 - Major components LS70‐LP Laser Scanner SC70 System Controller LC60 Laser Controller MM70 Mass Memory OC52 Operator Display OC50 Pilot Display GI40 Guidance Indicator TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 34 ALS70 - capabilities Intensity image, Bregenz, Germany, 11 Mar 2011, 2300 m AGL, 40 deg FOV (sine), 25 Hz scan rate, 119 kHz pulse rate (MPiA), installed on PAV80 mount, 2 points/m2 (~70 cm post spacing) Titel Autor 15.02.2012 35 ALS70 - capabilities Fused class/intensity image, Fitchburg, MA (USA), September 2010, 1000 m AGL, 40 deg FOV (sine), 25 Hz scan rate, 500 kHz pulse rate (MPiA), ~10 points/m2, 870 m swath Titel Autor 15.02.2012 36 Major new technologies in ALS70 Point Density Multiplier – doubling productivity Multiple scan patterns new range counting circuitry Pulse rates closer to “speed of light” limit for given flying height (all models) Dual-output scanner doubles effective pulse rate and scan rate (ALS70-CM and ALS70-HP only) Laser output split into two beams (slight forward/rearward look) Dual receivers Autoscan feature monitors flying height and speed over ground & adjusts scan rate to help to keep scan patterns out-of-phase with one another Multiple scan patterns (sine, triangle and raster) for greater flexibility Increased receiver bandwidth and dynamic range, for better detection of small and/or low-reflectivity surfaces (e.g., power lines, fresh asphalt) TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 37 Single-path scanning limits along-track spacing TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 38 Dual-output scanning doubles scan rate, pulse rate TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 39 SPiA technology limits pulse rate 5 3 1 2 TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 4 40 MPiA technology allows doubling of pulse rate 1 2 3 2 3 TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 5 4 5 4 41 Multiple scan patterns for maximum flexibility TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 42 ALS70 family – RCD30 typical mounting (2/2) TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 43 Leica ALS70 workflow – From preflight to point clouds Planning Ground Processing Collection MissionPro FCMS IPAS TC IPAS CO ALS pp TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 44 Leica “ MissionPro “ ( / FPES) Flight Planning & Evaluation SW – Footprint on DTM Footprint planning AOI - Block, Corridor Flight line Event (Photo) Footprint flight Flight line Event (Photo) AOI, hilly terrain Corridor, Route mode Single line, mountainous terrain TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 45 Leica “ FCMS “ - Mission Execution HW & SW (1/2) High-precision, GNSS-supported flight navigation Navigation and graphical guidance information including suggested flight path is displayed during all phases of the survey flight North-up view for project overview and to control progress in flight execution Nose-up view for optimized approach and turns In-line view for precise navigation along the line Vector map as a backdrop on North-up and Nose-up view North-up view Nose-up view TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 In-line view 46 Leica “ FCMS “ - Mission Execution HW & SW (2/2) New 3-D navigation view Navigation and graphical guidance information in 3-D Optimized for corridor mapping with helicopter 3-D view during approach and turns 3-D view along the line TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 47 ALS70 workflow Planning Ground Operations GPS record DGPS base station data Mission Planning mode altitude scan rate FOV flight speed flight lines flight height IPAS TC DGNSS processing ALS, FCMS Airborne Operations record position and attitude data •GPS •IMU record scanner data •range •scan angle •intensity •timing info IPAS TC extract position and attitude data IPAS TC trajectory processing ALS Post Processor •point cloud generation •output formatting – LDI, LAS, ASCII •projection - WGS 84, UTM, state plane, Swiss, TW 97, usersupplied •datum (state plane only) - NGVD 29, NAVD 88 position Attune TerraScan and •tiling laser boresite attitude •coverage verification calibration file •outlier removal •bare earth “LAS” file •thinning •catenary generation TerraModeller •TIN/contour •control report real-time nav file *.SCN raw scanner files TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 deliverables 48 MicroStation MissionPro / FPES Processing Collection Leica ALS70 workflow (MFC workflow items in amber) Planning Collection Processing ALS Post Processor Ground Operations IPAS TC GPS record DGPS base station data ALS, FCMS, RCD Mission Planning Airborne Operations mode altitude scan rate FOV flight speed flight lines flight height lens FL shutter speed frame rate record position and attitude data •GPS •IMU •event marks record scanner data •range •scan angle •intensity •timing info Attune laser boresite calibration “LAS” file IPAS TC TerraScan •tiling •coverage verification •outlier removal •bare earth •thinning •catenary generation TerraModeller •TIN/contour •control report real-time nav file extract position and attitude data *.SCN raw scanner files IPAS CO WFM record camera data •photo ID file •raw frames position and attitude file calculate exterior orientations EO file WFM camera boresight, orthophoto generation Bayer conversion TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 49 deliverables orthophotos MicroStation MissionPro / FPES DGPS processing IPAS TC trajectory processing •point cloud generation •output formatting – LDI, LAS, ASCII •projection - WGS 84, UTM, state plane, Swiss, TW 97, usersupplied •datum (state plane only) - NGVD 29, NAVD 88 Agenda Hexagon Geosystems – Z/I & Leica airborne solutions Imaging Sensors – DMC & ADS & RCD30 Laser Scanning – ALS 70 Outlook – Summary TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 50 Leica & Z/I System Design – Today LPS LPS XPro ADS Frame T‐Solid Pro ALS PAV 80 IPAS 20 FCMS FPES RCD Mount GNSS/IMU Flight Management Flight Planning TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 Image Station Image Station PPS PPS DMC DMC II Z/I Mount POS AV 510 Z/I Inflight/Track Z/I Mission 51 Hexagon Airborne System Design – Tomorrow DPW / Image Processing / GIS / Decision Making Frame Pro PPS XPro TerraSolid Required Data & Application Customer‘s Business Model Mount GNSS/IMU Flight Management Flight Planning TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 52 Dual Leica Sensor System “ ADS80 – ALS70 ” TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 53 Hexagon Geosystems - Airborne Technology “ A highly Automated Production Workflow ” Complete Solutions – Excellent brands – One Vendor TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 54 Thank you TerraSolid – User Group Meeting, Levi, Finland – Feb 2012 55
