[Insight-users] HausdorffDistanceImageFilter
Andinet Enquobahrie
andinet.enqu at kitware.com
Wed May 31 10:55:00 EDT 2006
>Thank you Andinet!!
>My purpouse is to calculate the Hausdorff Distance between a synthetic image
>(sphere) and the surface (PolyData) resulting from segmentation, to compare
>different segmentation techniques. Do you know if there is another alternative
>way to catch up the same result?
>
>
You can generate the isosurface of the sphere image (using one of the
vtk isosurface generators ) and then compute PolyData-PolyData hausdroff
distance..
Here is one implementation
http://people.csail.mit.edu/sylvain/Doxygen2005/d8/d71/hausdorffDistance_8cxx-source.html
hth
Andinet
>Thanks,
>Cecilia.
>
>----- Original Message -----
>From: "Andinet Enquobahrie" <andinet.enqu at kitware.com>
>To: <cecilia.zanella at studio.unibo.it>
>Sent: Wednesday, May 31, 2006 3:42 PM
>Subject: Re: [Insight-users] HausdorffDistanceImageFilter
>
>
>
>
>>cecilia.zanella at studio.unibo.it wrote:
>>
>>
>>
>>>Hi,
>>>I have to execute the comparison between two isosurface (PolyData)
>>>
>>>
>calculating
>
>
>>>the Hausdorff Distance. I know there is an useful filter in ITK
>>>(HausdorffDistanceImageFilter), but it receive two images as inputs, whereas
>>>
>>>
>I
>
>
>>>have two isosurface. How can I do? There is someone who can help me?
>>>
>>>
>>>
>>>
>>One thing you can do is generate images using the isosurface data and
>>then pass them to the HausdroffDistanceImageFilgter. Is your isosurface
>>in vtk polydata or itk::Mesh format?
>>
>>Take a look at ImageToPointSet.cxx ( image to pointset conversion )
>>program in /Insight/Examples/DataRepresentation/Mesh subdirectory. This
>>program converts image to itk::pointset. You can implement something
>>similar to convert from some sort of a pointset (itk::Mesh or polydata)
>>to image.
>>
>>let me know if you have questions...
>>
>>Andinet
>>
>>
>>
>>
>>>Thanks,
>>>
>>>Cecilia.
>>>
>>>_______________________________________________
>>>Insight-users mailing list
>>>Insight-users at itk.org
>>>http://www.itk.org/mailman/listinfo/insight-users
>>>
>>>
>>>
>
>
>
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