I am converting a raster tif file into other tif file with JPG compression to reduce the size. The original file have a NO-Data value. after conversion some areas have almost black color (1,5,1), (2,4,5), etc. the original file have No-data in these area which makes the new TIF file looks ugly. look the image sample.What parameters I should use to reduce the tif size without having this problem.
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