How to calculate and plot the histogram of DCT coefficients of an image?
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How to calculate and plot the histogram of DCT coefficients of an image?
Accepted Answer
Walter Roberson
on 24 Apr 2017
0 votes
Calculate the coefficients with dct(). Call histogram() with them.
2 Comments
Mohsin Shah
on 24 Apr 2017
Walter Roberson
on 24 Apr 2017
Img = imread('cameraman.tif');
y = dct(double(Img));
histogram(y)
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