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Excluding 'No Data' Pixels When Counting number of pixels in an AOI with ERDAS IMAGINE

I'm working with Landsat imagery in ERDAS IMAGINE 2014 and have encountered an issue with 'no data' pixels within my Area of Interest (AOI). The AOI includes unwanted 'no data' pixels that are ...
DMAGAS SENAVIRATHNA's user avatar
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What preprocessing is required when using Landsat for LULC?

Can anyone help me regarding the what kind of image pre-processing techniques should be used for the landsat images downloaded from http://earthexplorer.usgs.gov/ to create land-use land-cover (LULC) ...
advent_udaya's user avatar