When is the contrast stretching transformation a thresholding function, for r and s as gray-value of image before and after processing respectively?
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. None of the mentioned
Answer:B
When is the contrast stretching transformation a thresholding function, for r and s as gray-value of image before and after processing respectively?
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. None of the mentioned