[Insight-users] How to get mean shape image instead of vector in itkActiveShapeModelCalculator

Zachary Pincus zpincus at stanford.edu
Wed Jun 8 14:38:47 EDT 2005


Hello,

As I mentioned in an earlier email, I believe the 
ActiveShapeModelCalculator class calculates LANDMARK-BASED, not 
IMAGE-BASED shape models. Please read the papers referred to in the 
header documentation of the itkActiveShapeModelCalculator, and the 
Leventon paper that I also referred to earlier, if you want to grasp 
the differences between these approaches.

The mean shape information returned by the ActiveShapeModelCalculator 
(as described in its documentation) is a list of landmark points. To 
get image-based shape models, you need to feed signed distance maps 
into an ImagePCAShapeModelEstimator.

Zach Pincus


On Jun 7, 2005, at 9:53 AM, <kingaza at gmail.com> wrote:

> Hi all,
>
> the class itkActiveShapeModelCalculator provide a method
> GetMeanShape(), and its return value type is VectorOfDoubleType,
> but i want to obtain an image. how can i implement?
>
>
> -- 
> Regards,
> Kingaza
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