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From: "amcum ammcum" <ammcum@yahoo.fr>
Newsgroups: comp.soft-sys.matlab
Subject: Re: conv2 of a large image
Date: Thu, 1 Jan 2009 16:27:01 +0000 (UTC)
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"Nasser Abbasi" <nma@12000.org> wrote in message <31_6l.9245$W06.474@flpi148.ffdc.sbc.com>...
> 
> "ImageAnalyst" <imageanalyst@mailinator.com> wrote in message 
> news:6cc68097-2e74-4872-bd05-e551acf0db01@u14g2000yqg.googlegroups.com...
> On Dec 31 2008, 10:27 pm, "amcum ammcum" <amm...@yahoo.fr> wrote:
> > Is there any one how can help me in using conv2 function for large image 
> > (10000x 10000) pixels ?
> > thanks.
> 
> "-------------------------------------------
> What exactly is the problem?  You call it just like you do any other
> of the hundreds of MATLAB functions."
> 
> Also, he did not day what is he convolving the image with. if it is same 
> size image, then he needs about 800 MB for both. May be he does not have 
> enough memory?
> 
> Ii will be good if OP could explain more what is the problem.
> 
> --Nasser 


The problem is with the 'Out of memory message'
The conv2 function is called by the wconv2   (wavelet convolution of a 2D array).
My kernel is defined with the support of the 'bior2.4' wavelet.
Hope that theses information explains better my problem.