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From: Fung Lee on 11 May 2010 08:23
I want to know why there is a coefficient expansion when using matlab wavelet toolbox to perform wavelet decomposition. For example, using function dwt to do 1 decomposition to an image with size of 512x512 with 'bior5.5' filter but in each subband the size is 261x261 instead of 256x256. I get really confused with that. I hope someone can help me with that. thank you in advance.
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Prev: matlab code wont run
Next: wavelet transform problem