Which expression is obtained by performing the negative transformation on the negative of an image with gray levels in the range[0,L-1] ?(a) s=L+1-r(b) s=L+1+r(c) s=L-1-r(d) s=L-1+rThis question was addressed to me in quiz.My enquiry is from Basic Intensity Transformation Functions in section Intensity Transformations and Spatial Filtering of Digital Image Processing

Which expression is obtained by performing the negative transformation

1.	Which expression is obtained by performing the negative transformation on the negative of an image with gray levels in the range[0,L-1] ?(a) s=L+1-r(b) s=L+1+r(c) s=L-1-r(d) s=L-1+rThis question was addressed to me in quiz.My enquiry is from Basic Intensity Transformation Functions in section Intensity Transformations and Spatial Filtering of Digital Image Processing
Answer» Right choice is (c) s=L-1-r The best explanation: The NEGATIVE of an IMAGE with GRAY LEVELS in the RANGE[0,L-1] is obtained by using the negative transformation, which is given by the expression:s=L-1-r.

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