How to calculate and plot the histogram of DCT coefficients of an image?
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Mohsin Shah
il 24 Apr 2017
Commentato: Walter Roberson
il 24 Apr 2017
How to calculate and plot the histogram of DCT coefficients of an image?
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Walter Roberson
il 24 Apr 2017
Calculate the coefficients with dct(). Call histogram() with them.
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Walter Roberson
il 24 Apr 2017
Img = imread('cameraman.tif');
y = dct(double(Img));
histogram(y)
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