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Re: neighborhood operations on image

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  • Subject: [mg129470] Re: neighborhood operations on image
  • From: Matthias Odisio <matthias at>
  • Date: Wed, 16 Jan 2013 01:40:43 -0500 (EST)
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Hi Sid,

On 1/14/13 10:32 PM, siddys at wrote:
> I am really impressed by the new set of image processing operations in Mathematica 9. I am, however, having trouble defining my own operations, and one of the things I do very frequently in another system, is neighborhood operations.  I would like to do these things in Mathematica,and would like so help:
> How do I define a function that takes an Image, and performs operations, say, on a 3x3 nbdh for all pixels. I would like to use the functional programming paradigm. Filter is one such operation. I would love to see how Mathematica does it internally, but I am not able to find it.
> Any help would be highly appreciated.
> Thanks,
> Sid

Did you look at ImageFilter?
It's a good function for prototyping such operations.

Matthias Odisio
Wolfram Research

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