Flights focused on Fires Northeast of San Diego (Wynola/Julian)

Flights focused on Fires Northeast of San Diego (Wynola/Julian)

Flights focused on Fires Northeast of San Diego (Wynola/Julian)
Data collection region
(zoom-in on next slide)
Recorded Aircraft Ground Trace and Data Collection Points
Wynola
aircraft
arrival
(many burned and
unburned houses)
Julian
(fire stopped ¼ mile
southeast of downtown)
33.1
Latitude
Latitude
7
2
aircraft
departure
6
1
5
4
Lake Cuyamaca
33
North Peak
(several burned and
unburned houses)
3
Two hot spots
(below Cuyamaca Peak)
32.9
-116.8
-116.7
-116.6
Lo ng itude
• Green squares represent multispectral image data collects
• Red line is GPS recorded aircraft flight path
-116.5
Sample OKSI Imagery (mountain top house near Julian)
Standard Video
Processed Multispectral Image
Unburned house
Green = unburned vegetation
Brown/black = burned vegetation
White = roads/houses
Multispectral data can more accurately identify fire damage
Processed Image (Wynola California)
This image shows that no fire damage occurred in down town Wynola
Large Burn Area Near Wynola
Burned
house
Sample Hyperspectral Image Data
Simulated RGB Image
Classification Analysis
Yellow = dirt
Green= vegetation
Brown = partially burned White = pavement/rock
Black = fully burned
Hyperspectral is even more accurate at assessing fire damage
Sample Spectra of Selected Ground Features
Obvious difference in spectra can be seen in hyperspectral data
Thermal “HotSpot” Detection
Lat: 32.9790 N
Lon: 116.6079 W
Temperature
Scale
Aerial Photo
149° F
65° C
86°
30°
50°
10°
Thermal Data
At the time of the OKSI flight, the San Diego fires were 100% contained. However, OKSI
did detect several small “hot spots” in real time using the Indigo thermal infrared camera.