[Insight-users] question regarding GeodesicActiveContourShapePriorLevelSetImageFilter

[Siddharth Vikal]

On Thu, Apr 24, 2008 at 5:50 PM, Siddharth Vikal <siddharthvikal at gmail.com>
wrote:

> -------- Original Message --------
> Subject: 	question regarding
> "GeodesicActiveContourShapePriorLevelSetImageFilter"
> Date: 	Wed, 23 Apr 2008 15:00:38 -0400
>
> From: 	Amir M. Tahmasebi <tahmaseb at cs.queensu.ca>
>
> To: 	insight-users at itk.org
>
>
>
> Hi all,
>
>
> I am using "GeodesicActiveContourShapePriorLevelSetImageFilter" to segment a structure from 3D MR images of the brain. I used
> "ImagePCAShapeModelEstimator" for generating meanshape model as well as variation modes. I have modified the provided example for 3D. Instead
>
>  of "FastMarchingImageFilter", which requires seed points, I provide the distance map of the meanshape as the initial contour (generated using
> "SignedDanielssonDistanceMapImageFilter").
>
> My question is regarding the the initial coordinate (x,y,z) for meanshape to start with which are a part of parameters being updated.
>
> 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
> in the process of segmentation.
>
> Thanks in advance,
>
> ________________________________
>
> Amir M. Tahmasebi
> Ph.D. Student,
> Medical Image Analysis Lab.
> School of Computing,
> Queen's University,
> Kingston, Ontario
> CANADA
> K7L 3N6
> ________________________________
> Tel: (613) 533-2797
>
> Web: www.cs.queensu.ca/~tahmaseb
>
>
>
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