Histogram equalization or Histogram linearization is represented by of the following equation:(a) sk =∑^k j =1 nj/nk=0,1,2,……,L-1(b) sk =∑^k j =0 nj/nk=0,1,2,……,L-1(c) sk =∑^k j =0 n/njk=0,1,2,……,L-1(d) sk =∑^k j =n nj/nk=0,1,2,……,L-1I have been asked this question in a national level competition.The origin of the question is Histogram Processing topic in portion Intensity Transformations and Spatial Filtering of Digital Image Processing

Histogram equalization or Histogram linearization is represented by of

1.	Histogram equalization or Histogram linearization is represented by of the following equation:(a) sk =∑^k j =1 nj/nk=0,1,2,……,L-1(b) sk =∑^k j =0 nj/nk=0,1,2,……,L-1(c) sk =∑^k j =0 n/njk=0,1,2,……,L-1(d) sk =∑^k j =n nj/nk=0,1,2,……,L-1I have been asked this question in a national level competition.The origin of the question is Histogram Processing topic in portion Intensity Transformations and Spatial Filtering of Digital Image Processing
Answer» RIGHT choice is (b) sk =∑^k j =0 nj/nk=0,1,2,……,L-1 The best EXPLANATION: A plot of pk_ (rk) versus r_k is called a HISTOGRAM .The transformation (mapping) given in sk =∑^k j =0)k nj/n k=0,1,2,……,L-1 is called histogram equalization or histogram LINEARIZATION.

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