[Insight-users] Restrict image processing to a smaller region

[Chr. Rossmanith]

Yes.

Am 17.02.2012 14:37, schrieb Bill Lorensen:
> Did you try this approach:
> http://itk.org/Wiki/ITK/Examples/ImageProcessing/ImageFilterOnARegion#ImageFilterOnARegion.cxx
> with the filter you are using?
>
> On Fri, Feb 17, 2012 at 2:34 AM, Chr. Rossmanith
> <cr at neuro.ma.uni-heidelberg.de>  wrote:
>> 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.
>>
>> Christina
>>
>> Am 15.02.2012 18:49, schrieb Bill Lorensen:
>>
>> Christina,
>>
>> Which approach ended up working for you?
>>
>> On Wed, Feb 15, 2012 at 9:41 AM, Chr. Rossmanith
>> <cr at neuro.ma.uni-heidelberg.de>  wrote:
>>
>> 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:
>>
>> 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.
>>
>> http://itk.org/Wiki/ITK/Examples/ImageProcessing/ImageFilterOnARegion#ImageFilterOnARegion.cxx
>>
>> On Fri, Feb 3, 2012 at 6:24 AM, Chr. Rossmanith
>> <cr at neuro.ma.uni-heidelberg.de>    wrote:
>>
>> Hi,
>>
>> I'd like to process only a subregion of an image. A search only gave
>>
>> http://old.nabble.com/How-to-restrict-work-region-of-filters-td5963437.html
>> 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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