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Last Post 03 Dec 2017 10:34 PM by  Neelum
Anomalies using 'Data Stretch' tool in ENVI 5.4
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Neelum



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22 Nov 2017 12:40 AM
    I have a Landsat reflectance raster clip with values ranging from 52-3089. I am intending to stretch the raster rescale it down to 0.0052-0.3089 (floating type) with linear stretch. A close analysis of the histogram of resultant stretched raster with the histogram of original raster highlights anomaly in the results . I know I can get desired results by multiplying the original raster with 0.0001 but I am not sure why there is such discrepancy in the results using Stretch Data tool.

    Neelum



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    03 Dec 2017 10:34 PM
    Actually ENVI 5.3 'Data Stretch' tool.
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