1.

In contrast stretching, if r1=s1 and r2=s2 then which of the following is true?

A. The transformation is not a linear function that produces no changes in gray levels
B. The transformation is a linear function that produces no changes in gray levels
C. The transformation is a linear function that produces changes in gray levels
D. The transformation is not a linear function that produces changes in gray levels
Answer» C. The transformation is a linear function that produces changes in gray levels


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