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What is the equation used to obtain S component of each RGB pixel in RGB color format?

Posted: Thu Jul 14, 2022 10:06 am
by answerhappygod
a) S=1+3/(R+G+B) [min⁡(R,G,B)].
b) S=1+3/(R+G+B) [max⁡(R,G,B)].
c) S=1-3/(R+G+B) [max⁡(R,G,B)].
d) S=1-3/(R+G+B) [min⁡(R,G,B)].