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From: Skeptic <skeptic@mailinator.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: wavelets - image downsampling
Date: Sat, 22 Nov 2008 14:21:50 -0800 (PST)
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On Nov 22, 4:13=A0pm, Brendan <brendandetra...@yahoo.com> wrote:
> On Nov 21, 7:36=A0pm, Brendan <brendandetra...@yahoo.com> wrote:
>
> > I am trying to use the wavelet toolbox to downsample images. I
> > understand the output format of the wavedec2 function, but from this
> > output how do I select a given wavelet level(e.g. largest
> > approximation coefficient) and reconstruct =A0as I can do with the 2-D
> > Wavelet Selection GUI?
>
> Was a simple question, but no one could be arsed to reply. Here I was
> trying manually to take chunks out of wavedec2 output and put it
> through waverec2, when all that was needed was the wrcoef2 command.
> Thanks for nothing.

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