reflectance value ranges from -3.40282e38 to 3.40282e38 in qgis atmoshpherically corrected image, I want my value to range between 0-1 how can i fix this?
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1 Answer
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The standard way to map into the range $[0,1]$ is by using the sigmoid function, however, such a large range will lead to very similar values.
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$\begingroup$ Although this answer is correct, it's useless. Those large absolute values indicate either preprocessing errors or are codes for missing values. In either case, rescaling won't fix the problem. $\endgroup$– whuber ♦Sep 4, 2021 at 13:08