Add jpg gamma or brightness correction while preserving colour saturation
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#44 Add jpg gamma or brightness correction while preserving colour saturation
Lots of picture on the web is too dark, especially video screenshots. Would be nice to be able to gamma correct proxied images while preserving their colour saturation, according to this ImageMagick command line: mogrify -colorspace YCbCr -channel R -gamma 1.5 +channel -colorspace sRGB image.jpg