Posterize Levels Not Working?
when applying image/adjust/posterize gray scale gradient resulting number of levels less number specified (as long number of levels > 2). in other words, if specify 3 levels of posterization 2 , specify 4 levels 3, specify 5 or 6 levels 4, etc.
any 1 know posterization algorithm or might going on here?
you count white 1 of levels. have right.
make histogram visible , count spikes. keep in mind there's 1 @ each end.
-noel
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