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From: Ravi Shekhar <ravishekhar.82@gmail.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Image Neighbourhood
Date: Fri, 23 Mar 2012 12:51:28 -0700 (PDT)
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I have to densely sample neighbourhood which will create 
speed up issues with 'for' loop. I just to avoid it, if possible.  

The 17x17 neighborhood of (5,10) will be defined by appending 
zeros in the image.