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A comment on JPEG canaries: exposing on-the-fly recompression. Parent comment

Re:JPEG canaries: exposing on-the-fly recompression by vlaube on Monday February 07, 2011 @04:19AM (#2188312)
My impression was that it had to do with the gamma correction of PNG images. The 4chan thumbnail generator seems to ignore the gamma correction while the browser does not.
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