Convert Airborne Digital Images DN to reflectance values

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Last Post 08 Mar 2010 09:07 AM by anon

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anon

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08 Mar 2010 09:07 AM
Hello I´m a new user of ENVI. I´m start to working with airborne digital images (50cm spatial resolution, 4 bands- blue, green, red and infra red (TIFF format). I want to convert the DN to reflectance values. The Preprocessing Tool in ENVI as a standard Calibration Utilities for several current images, namely Landsat, QuickBird, etc. But how can I convert DN to reflectance values using airborne images? Can someone help me? Thank you Rosário

MariM

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Posts:2396
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11 Mar 2010 08:25 AM
Your data provider should be able to give you the necessary equations to calibrate your data from DN to radiance. You can then perform a radiance to reflectance calibration using a tool such as FLAASH, QUac, empirical line calibration, or similar tool.

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