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BTW, the reason I am so emphatic about needing to rule out JPG compression artifacts as the problem you are seeing is because in any normal photographic image, the RGB value for a given location will always be different before and after compression, and the amount you mentioned is not at all unexpected.


We have to figure out if what you are seeing is above and beyond this known problem.


Tom


What is our favorite program/app? (Hint - it begins and ends with the letter P)
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