[Insight-users] 2D boundary tracking

[Zachary Pincus]

I wrote such a filter to fill this need in ITK several months ago. It  
currently resides (some might say languishes), along  with many other  
useful filters, on the InsightJournal.

Get the files at:
http://hdl.handle.net/1926/165

It applies a classic contour-extraction method (the 2d equivalent of  
marching cubes) to an image and gives back a set of  
itk::PolyLineParametricPath objects. To get contours from a binary  
image, you should set the contour value parameter to halfway between  
the inside and outside intensity.


Zach Pincus

Program in Biomedical Informatics and Department of Biochemistry
Stanford University School of Medicine



On Sep 14, 2006, at 6:44 PM, Amadeus W. M. wrote:

> I have a binary image and I want to track the border of a
> blob in the image, as an ordered sequence of consecutive points.
> Is there any 2D boundary tracking filter in itk?
>
>
>
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