Scientific Investigations Report 2006–5145
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5145
Table 2. Satellite digital numbers and measured percent reflectance for red and near-infrared IKONOS bands over the white and black tarps used in image calibration.
[DN, digital number; NIR, near-infrared]
| IKONOS channel |
White DN |
Black DN |
White reflectance |
Black reflectance |
|---|---|---|---|---|
| 3 (red) | 2029 | 385 | 0.909 | 0.0588 |
| 4 (NIR) | 1893 | 261 | 0.901 | 0.0594 |
U.S.
Department of the Interior | U.S. Geological
Survey
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