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samrae
(Stranger )
06/22/12 07:38 AM
NDVI - preprocessing Report this article as Inappropriate to us !!!Login to Reply

Hi, I would like to know if any pre-processing is required when creating an NDVI?  I have tried using SPOT and LANDSAT data and using the NDVI function, but the results seem low for some of the areas (e.g. 0.25 for forested areas)? Does this seem strange, and what values should water read?






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