[Insight-users] cardiac vessels image segmentation

[Karthik Krishnan]

charfeddine amir wrote:

>
> Hi Ivan
> I've read section 9.5.1 Hough Transform from the ItkSoftwareGuide.pdf, 
> and i tried  the example  
> Examples/Segmentation/HoughTransform2DLinesImageFilter.cxx,
> but i didn't Get significant results (i get lines allong diagonals and 
> not the vessels).
> Many people speak about Hessian Matrice in the vessels blood 
> segmentation, but i didn't know something about it before, and i 
> didn't now how to use it in my case, and especially from where to start?
> I didn't want to extract or to measure blood vessels, but to segment 
> image containing blood vessels so that to make them clear and br! 
> ights and hide other structure.

You want to look at the applications:

http://itk.org/HTML/Curve2DExtraction.htm
http://itk.org/HTML/Curve3DExtraction.htm

The applications are specifically targetted at angiography images, but 
should work for your case.

HTH
-karthik

> a gray level segmentation don't give satisfaisant results.
> thx for your time and help,
> Regards,
>
> */Iván Macía <imacia at vicomtech.es>/* a écrit :
>
>     Hi Charfeddine,
>      
>     itk::Hessian3DToVesselnessMeasureImageFilter is the implementation
>     of the work you mention. It takes as input a tensor image with the
>     hessian matrix calculated at every point.
>     http://www.itk.org/Doxygen/html/classitk_1_1Hessian3DToVesselnessMeasureImageFilter.html
>      
>     Also have a look at the VesselnessMeasureImageFilter example or
>     the Curves3DExtractor application.
>      
>     Regards
>      
>     Iván
>
>     ------------------------------------------------------------------------
>     *De:* insight-users-bounces+imacia=vicomtech.es at itk.org
>     [mailto:insight-users-bounces+imacia=vicomtech.es at itk.org] *En
>     nombre de *charfeddine amir
>     *Enviado el:* jueves, 09 de marzo de 2006 8:13
>     *Para:* insight insight
>     *Asunto:* [Insight-users] is there a Filter in ITK to detect Heart
>     veins froma CT image?
>
>     Hi all,
>     How could i filter a CT image of heart to detect! vein from other
>     structure in the image,
>     did any one hear about Sato Filter ( i read about it in a paper) ?
>     thx for help,
>
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