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Digital Aerial Imaging



GPSI Digital Aerial Imaging vs. Others’ Digital Images

Some firms currently have digital camera capability. However, they do not currently use multiple cameras with multi-spectral filters. The result is data that is captured digitally, but is approximately equivalent to a digitized aerial photograph (although "color-shift" won't occur with digital cameras). A "picture", not multi-spectral data, is created from these systems.

GPSI digital aerial images, on the other hand, provide multi-spectral data that can be used in land use and land cover analysis. Color infra-red and true-color pictures can be created from the same data set by combining color bands. Color bands can be analyzed using indices like the Normalized Difference Vegetation Index (NDVI).


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The DIGITTM System | DAI vs. Conventional Photos | DAI vs. Satellites | DAI vs. "Digital Photos" | DAI vs. Others' Digital Images | Summary Table


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