In Histogram Matching or Specification, z = G-1[T(r)], r and z are gra – McqOptions

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1.	In Histogram Matching or Specification, z = G^-1[T(r)], r and z are gray level of input and output image and T & G are transformations, to confirm the single value and monotonous of G^-1 what of the following is/are required?
A.	tG must be strictly monotonic
B.	tG must be strictly decreasing
C.	tAll of the mentioned
D.	tNone of the mentioned
Answer» B. tG must be strictly decreasing

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