Question: What condition prevents the intensity artifacts to be created while processing with contrast stretching, if r and s are gray-values of image before and after processing respectively?
Options
A : r1 = s1 and r2 = s2
B : r1 = r2, s1 = 0 and s2 = L – 1, L is the max gray value allowed
C : r1 = 1 and r2 = 0
D : r1 ? r2 and s1 ? s2
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