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Perform histogram equalization and plot the original and equalized histogram.
written 7.9 years ago by gravatar for teamques10 teamques10 ★ 65k modified 2.3 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

enter image description here

Mumbai University > Electronics > Sem 7 > Digital image processing

Marks: 10 M

Year: Dec 2014
digital image processing
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written 7.9 years ago by gravatar for teamques10 teamques10 ★ 65k

We draw the original histogram of the image.

enter image description here

Here L=8, we now perform histogram equalization.

Grey level nk PDF,Pr(k) = n,Σ n CDF,Sk =Σ pr(k) Sk x (L-1),i.e. sk x 7 Round off
0 200 0.125 0.125 0.875 1
1 300 0.185 0.31 2.17 2
2 500 0.3125 0.622 4.35 …

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