[Insight-users] Neighborhood max value

[robert tamburo]

There's a 'box' structuring element defined in itkFlatStructuringElement.h
(review directory)

On Tue, Mar 1, 2011 at 1:23 PM, Neal R. Harvey <harve at lanl.gov> wrote:

> I'm thinking you may not want or need to go to the bother of writing
> such a function. A neighbohood maximum operator is a dilation with a flat
> structuring element and there already exists an operator within ITK to do
> dilation. You would just need to define your structuring element
> appropriately
> for the neighborhood in which you are interested. I can't see any existing
> code
> that would create a square (cube for n-D) structuring element, though
> (there is code for balls and crosses), but it might not be that hard to
> create "cube" structuring element code by making some simple modifications
> to the ball structuring element code. Then, all you'd need to do was use
> this
> to create your structuring element (i.e. define the neighborhood of
> interest)
> and then use the dilation function that already exists.
>
>  Message: 3
>> Date: Tue, 1 Mar 2011 16:38:26 +0200
>> From: john smith <mkitkinsightuser at gmail.com>
>> Subject: Re: [Insight-users] (no subject)
>> To: David Doria <daviddoria at gmail.com>, insight-users at itk.org
>> Message-ID:
>>        <AANLkTimX-o4UkLVeWfitbL1b2sLo3h-TE7Okds3sxe9v at mail.gmail.com>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> Hello,
>>
>> Well, I have made all the changes and my program gives me (I think)
>> correct
>> results. But I have some questions to continue my project. As a following
>> step, I want to write all my max values from every neighborhood iterator
>> in
>> a single pixel of an output image. How can organize my max values as an
>> object (maybe by creating a new region iterator?), to put it through a new
>> writer filter, in order to take my output image? Also, supposing that I
>> have
>> taken my output image, then this project which will be consisted of an
>> .cxx
>> and  .txt file format (for visual studio and cmake), could be considered
>> as
>> a new developed Filter?
>>
>
> --
> HARVE (Neal R. Harvey)           Email: harve at lanl.gov
> ISR-2                            Phone: 505 667 9077
> Los Alamos National Laboratory   Fax: 505 664 0362
> Los Alamos, NM 87545, USA        Mail Stop: D-436
> The generation of random numbers is too important to be left to chance.
>
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