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when toggle format what by license comment
Jul 11, 2016 at 10:29 comment added Type-Style The invert can be done with an invert adjustment layer. But I like the fact that you can nudge the gamma here.
Jul 7, 2016 at 12:30 comment added joojaa Add 2x 2.2 gamma corrections after a full inverse ;) Then it is computationally closer to ground truth (but still only approximate)
Jul 7, 2016 at 12:00 history answered Ryan CC BY-SA 3.0