Y is assumed to be around -1…+1 or something equally “normal”, not valued anywhere near 93
that is why the 116 is there (and the +16), to scale it from -1…+1 to 0…255
Y is assumed to be around -1…+1 or something equally “normal”, not valued anywhere near 93
that is why the 116 is there (and the +16), to scale it from -1…+1 to 0…255