The grey distribution of an image is shown in the table below. Perform histogram equalization and plot the original and equalized histogram.

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written 9.5 years ago by

teamques10 ★ 70k

• modified 5.5 years ago

image processing

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written 9.5 years ago by

teamques10 ★ 70k

We draw the original histogram of the image.

enter image description here

Here L=8, we now perform histogram equalization.

Grey level	$n_k$	PDF,Pr(k) = n,Σn	CDF,Sk =Σpr(k)	Sk x(L-1),i.e. sk x 7	Round off
0	0	0	0	0	0
1	50	0.05	0.05	0.35	0
2	100	0.1	0.15	1.05	1
3	200 …

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