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For given histogram perform histogram equalization and comment on what would happen if we equalize histogram twice
written 6.0 years ago by gravatar for teamques10 teamques10 ★ 66k •   modified 4.3 years ago
Intensity (r) 0 1 2 3
No. of pixels $(n_k)$ 70 20 7 3
image and video processing
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written 6.0 years ago by gravatar for teamques10 teamques10 ★ 66k •   modified 6.0 years ago

Step 1: Plot the original Histogram

enter image description here

Step 2 : Perform Histogram Equalization

enter image description here

Step 3: Make new histogram 1 table

enter image description here

Step 4: Plot the equalized Histogram 1

enter image description here

Intensity (r) 0 1 2 3
No. of pixels $(nk)$ 0 0 70 30

Step 5 : Again Perform Histogram Equalization on Histrogram 1

enter image description here

Step 6: Plot the equalized Histogram 2

enter image description here

Intensity (r) 0 1 2 3
No. of pixels $(n_k)$ 0 0 70 30

As we can see equalizing the histogram twice will gives the same histogram.
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