iv
ERDC/CRREL TR-02-11
5
Imagery evaluation ........................................................................................ 12
Area 1 sites .................................................................................................... 12
House roof rafters.......................................................................................... 12
Tarpaper/shingles/plywood ........................................................................... 12
Saturation problem ........................................................................................ 12
Area 2 sites .................................................................................................... 16
Commercial building rafters.......................................................................... 16
Scatter plots ................................................................................................... 16
Sun angle ....................................................................................................... 19
Broad leaf/narrow leaf................................................................................... 19
Leaf on/off and palms.................................................................................... 21
6
Conclusions ................................................................................................... 23
Detectable-objects matrix.............................................................................. 23
Study conclusions.......................................................................................... 24
Future recommendations ............................................................................... 24
Literature cited ..................................................................................................... 25
ILLUSTRATIONS
Figure 1. Location of Lakeland, Florida, study area ......................................... 10
Figure 2. Area 1 and area 2, overlaid on topo map............................................ 11
Figure 3. Area 1 mosaic: Location of house construction sites 1, 2, and 3........ 13
Figure 4. Site 1: House at 2-ft, 1-ft, and 8-in. GSD .......................................... 14
Figure 5. Site 2: House at 8-in. GSD ................................................................ 15
Figure 6. Site 3: House at 1-ft GSD .................................................................. 15
Figure 7. Area 2 mosaic: Location of building sites 4 and 5. ............................ 17
Figure 8. Site 4: Building at 2-ft, 1-ft, and 8-in. GSD ...................................... 18
Figure 9. Scatter plots of band 2 vs. band 3 ...................................................... 20
Figure 10. Site 5: Trees at 1-ft and 8-in. GSD .................................................. 22
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