What is the name of process used to correct the power-law response phenomena?(a) Beta correction(b) Alpha correction(c) Gamma correction(d) Pie correctionThe question was asked in final exam.I would like to ask this question from Basic Intensity Transformation Functions topic in portion Intensity Transformations and Spatial Filtering of Digital Image Processing

What is the name of process used to correct the power-law response phe

1.	What is the name of process used to correct the power-law response phenomena?(a) Beta correction(b) Alpha correction(c) Gamma correction(d) Pie correctionThe question was asked in final exam.I would like to ask this question from Basic Intensity Transformation Functions topic in portion Intensity Transformations and Spatial Filtering of Digital Image Processing
Answer» Right option is (c) Gamma correction For explanation: A variety of devices used for image CAPTURE, PRINTING, and display respond according to a power LAW. By CONVENTION, the exponent in the power-law equation is REFERRED to as gamma .The process used to correct these power-law response phenomena is called gamma correction.

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