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I've applied a filter to the input image (at the moment without
setting the requested region - but if there is a guarantee that it
is respected by the filter I'd add it again :-) but the images
aren't very big so performance is not really an issue) and used an
itkPasteImageFilter to paste the ROI of the processed image into the
original image. That is what is written to disk.<br>
<br>
Christina<br>
<br>
Am 15.02.2012 18:49, schrieb Bill Lorensen:
<blockquote
cite="mid:CADZJ4hNYnO3T9Gdc8=eHMuS0E0j_R3zVnC3NakRzRd35dU=BtQ@mail.gmail.com"
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<pre wrap="">Christina,
Which approach ended up working for you?
On Wed, Feb 15, 2012 at 9:41 AM, Chr. Rossmanith
<a class="moz-txt-link-rfc2396E" href="mailto:cr@neuro.ma.uni-heidelberg.de"><cr@neuro.ma.uni-heidelberg.de></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Thank you, now I finally have my application working. How could I test that
a filter really restricts itself to the requested region? If I add the
medianFilter to the viewer as a forth image the whole image has been
processed. But that might be because the viewer requests the whole image...
Christina
Am 08.02.2012 18:27, schrieb Bill Lorensen:
</pre>
<blockquote type="cite">
<pre wrap="">I just added an example to the wiki that shows how to use
RequestedRegion on a filter and then paste the filtered region back
into the image.
<a class="moz-txt-link-freetext" href="http://itk.org/Wiki/ITK/Examples/ImageProcessing/ImageFilterOnARegion#ImageFilterOnARegion.cxx">http://itk.org/Wiki/ITK/Examples/ImageProcessing/ImageFilterOnARegion#ImageFilterOnARegion.cxx</a>
On Fri, Feb 3, 2012 at 6:24 AM, Chr. Rossmanith
<a class="moz-txt-link-rfc2396E" href="mailto:cr@neuro.ma.uni-heidelberg.de"><cr@neuro.ma.uni-heidelberg.de></a> wrote:
</pre>
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<pre wrap="">
Hi,
I'd like to process only a subregion of an image. A search only gave
<a class="moz-txt-link-freetext" href="http://old.nabble.com/How-to-restrict-work-region-of-filters-td5963437.html">http://old.nabble.com/How-to-restrict-work-region-of-filters-td5963437.html</a>
as a result. Is the ExtractRegionOfInterestFilter + PasteImageFilter
approach described there still valid or is there a more elegant way?
Christina Rossmanith
--
Dept. of Neurology
University Medical Center Mannheim
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