Services & Resources / Wolfram Forums / MathGroup Archive

MathGroup Archive 2013

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: neighborhood operations on image

  • To: mathgroup at
  • Subject: [mg129461] Re: neighborhood operations on image
  • From: Bob Hanlon <hanlonr357 at>
  • Date: Wed, 16 Jan 2013 01:36:02 -0500 (EST)
  • Delivered-to:
  • Delivered-to:
  • Delivered-to:
  • Delivered-to:
  • References: <>


ImageFilter[f,image,r] applies the function f to the range-r
neighborhood of each pixel in each channel of image. >>

Bob Hanlon

On Mon, Jan 14, 2013 at 11:32 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

  • Prev by Date: Re: NSolve output
  • Next by Date: random walk
  • Previous by thread: neighborhood operations on image
  • Next by thread: Re: neighborhood operations on image