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about implementing redundant discrete wavelet transform

Started by vandu March 31, 2009
  Hi 
   can anybody guide me about implementation of redundant discrete wavelet
transform in matlab.
It is simply the undecimated DWT. I have written my own code for DWT and
idwt. As in RDWT there is no down sampling , I have removed that block in
DWT and similarly upsampling  in idwt.But the reconstructed image comes
very whitish.please guide me.
vandana