dwt2 decomposition of image
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m doing dwt decomposition of a image using command- [cA1,cH1,cV1,cD1] = dwt2(X,'db1');
when i display w=[ cA1 cH1 cV1 cD1] my cA1 part is not looking like my original image as given here.. http://www.mathworks.in/help/wavelet/ref/dwt2.html
please help someone..
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Answers (2)
Obuli Yuvaraj
on 30 Mar 2013
CA1 is not a image you have given. It is actually a plot of co-efficients after passing the image into a low pass filter
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