CLAHE - Contrast Limited Adaptive Histogram Normalization

  • Posts: 160
3 days 19 hours ago #1 by Fu-Bama
I have hard time implementing CLAHE - Contrast Limited Adaptive Histogram Normalization (aka Local Contrast) effect in ReShade.

It's really nice effect:
Warning: Spoiler! [ Click to expand ]

Warning: Spoiler! [ Click to expand ]


It was described in a paper:
Zuiderveld, K. (1994).
Contrast Limited Adaptive Histogram Equalization.
Graphics Gems, 474–485.
doi:10.1016/b978-0-12-336156-1.50061-6

More on on wikipedia and ImageMagic .
Following this forum thread we can see that the source code of the original implementation is in public domain.

I tried to get my own spin of this effect, but I only went so far:
Warning: Spoiler! [ Click to expand ]


Anyone would like to finish this shader?

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