Planetary reflectance (ρp) is sometimes used with earth imagery to reduce the image-to-image illumination differences by normalizing for solar irradiance. The following equation for band-dependant planetary reflectance was taken from the Landsat 7 Science Data User’s Handbook1
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GIS Weekly Magazine
Susan Smith
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Look for the next issue of GIS Weekly Magazine on May 28, 2012.
Each GISWeekly Review delivers to its readers news concerning the latest developments in the GIS industry, along with a selection of other articles that we feel you might find interesting. |
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