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<div class="gmail_quote">On Thu, Apr 24, 2008 at 5:50 PM, Siddharth Vikal <<a href="mailto:siddharthvikal@gmail.com">siddharthvikal@gmail.com</a>> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><pre style="FONT-FAMILY: arial,helvetica,sans-serif"><font face="times new roman,serif" size="4">-------- Original Message --------<br>
Subject: question regarding <br>"GeodesicActiveContourShapePriorLevelSetImageFilter"<br>Date: Wed, 23 Apr 2008 15:00:38 -0400<br>
From: Amir M. Tahmasebi <<span style="BORDER-BOTTOM: rgb(0,102,204) 1px dashed"><a href="mailto:tahmaseb@cs.queensu.ca" target="_blank">tahmaseb@cs.queensu.ca</a></span>><br>
To: <span style="BORDER-BOTTOM: rgb(0,102,204) 1px dashed"><a href="mailto:insight-users@itk.org" target="_blank">insight-users@itk.org</a></span><br><br><br><br>Hi all,<br><br>
I am using "GeodesicActiveContourShapePriorLevelSetImageFilter" to segment a structure from 3D MR images of the brain. I used <br>"ImagePCAShapeModelEstimator" for generating meanshape model as well as variation modes. I have modified the provided example for 3D. Instead<br>
of "FastMarchingImageFilter", which requires seed points, I provide the distance map of the meanshape as the initial contour (generated using <br>"SignedDanielssonDistanceMapImageFilter").<br><br>My question is regarding the the initial coordinate (x,y,z) for meanshape to start with which are a part of parameters being updated.<br>
No matter what position I select, I get the same final result. I was wondering how can I check if this initial position is actually involved <br>in the process of segmentation.<br><br>Thanks in advance,<br><br>________________________________<br>
Amir M. Tahmasebi<br>Ph.D. Student,<br>Medical Image Analysis Lab.<br>School of Computing,<br>Queen's University,<br>Kingston, Ontario<br>CANADA<br>K7L 3N6<br>________________________________<br>Tel: <span style="BORDER-BOTTOM: rgb(0,102,204) 1px dashed">(613) 533-2797</span><br>
Web: </font><a href="http://www.cs.queensu.ca/~tahmaseb" target="_blank"><span><font face="times new roman,serif" size="4">www.cs.queensu.ca/~tahmaseb</font></span></a></pre>
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