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<P>I'm studying about vessel enhancement.</P>
<P>I tried to implement the hessian filter.</P>
<P>I found some useful tools in the InsightApplication.</P>
<P>It is &lt;Extraction of 3D tubular structures in a volume using eigen 
analysis.&gt;</P>
<P>The reference url is <A 
href="http://www.itk.org/HTML/Curve3DExtraction.htm">http://www.itk.org/HTML/Curve3DExtraction.htm</A></P>
<P>However, I have no idea about how to use it.</P>
<P>I have never experienced using ITKApplication</P>
<P>Please let me use this application.</P>
<P>Help me out!!!</P>
<P>Thank you.</P>
<P>&nbsp;</P></body>
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