UE4 Cutout Record

Comparison chart

RGB YCoCg CoCg

AND CoCg/Y

M_SinglePassChromaKey

MF_KeyColorMask

 Understanding the Luma formula: A^{2}-(inputLuma-KeyLuma)^{2}

A is the square of the distance between the two brightnesses and is used to control the brightness difference.

Constrant is the internal brightness adjustment.

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Origin blog.csdn.net/sh15285118586/article/details/122641447