Abstract
This paper reports on the application of an airborne digital video imaging system with visible red (R) (0.625‐0.635 μm), near‐infrared (NIR) (0.845‐0.857 μm), and mid‐infrared (MIR) (1.631‐1.676 μm) spectral sensitivity for distinguishing among a diversity of ecological ground conditions in a rangeland area in southern Texas. The system produces false color imaging similar to that of the Landsat Thematic Mapper (TM) satellite bands 5, 4, 3. Imagery from this system was useful for differentiating among a diversity of cover types including brushlands, grasslands, and wetlands. Computer analysis of the imagery showed that many of the ecological variables could be quantified. An accuracy assessment performed on the classified image showed an overall accuracy of 85%. The imagery was also useful for interpreting the coarser resolution TM. Ground radiometric reflectance measurements were made on various ecological ground types to assist in interpreting the imagery.
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