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   -> Volume 4, Issue 12


Question: Help needed in Multiwavelet Transforms
 
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DEEPAK SHENOY (deepak@ee.vill.edu)
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PostPosted: Fri Dec 06, 2002 9:37 am    
Subject: Question: Help needed in Multiwavelet Transforms
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Question: Help needed in Multiwavelet Transforms

I was trying to imp lement the GHM Multiwavelet Transform for 1-D
signals in MATLAB. Even though I was able to achieve perfect
reconstruction of my signal from all the decomposition coefficients,
I have problems of the reconstruction becoming highly noisy when I
reconstruct after setting a few of the insignificant decomposition
coeffcients to zero. I am not sure if the decomposition/reconstruction
procedure I am using is right. I would appreciate it if someone could
send me small MATLAB programs for 1-D multiwavelet decomposition and
reconstruction. My e-mail address is deepak@ece.vill.edu

Thanks.
Deepak

[Answers: WD 5.1 Topic 3089, WD 11.6 Topic 5311]
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