[Insight-users] destinguishing sheets from fibers

[Bradley Lowekamp]

Helo,

Please be aware that there is an unfortunate bug in release 3.20 with regard to this filter:
http://www.itk.org/Bug/view.php?id=11098

Brad


On Aug 10, 2010, at 12:46 PM, lynx.abraxas at freenet.de wrote:

> On 20/07/10 17:41:32, Sergio Vera wrote:
>> Using the hessian you can look for tubular structures easily. ITK has some
>> functions related oriented do enhance vessels (that are similar to your
>> fibers).
>> 
>> There are also minor modifications of the hessian filter that sould be able
>> to respond well to plate-like structures as far as I remember...
>> 
>> Look for Alejandro Frangi Vesselness measure. His paper explains the
>> combination of eigenvalues of the Hessian that respond well to tubes and to
>> plates.
>> 
> 
> Thanks a lot Sergio! This seems to be a very promising solution to my problem.
> I'll try the HessianObjectnessFilter.
> 
> I wonder though if it would be better to apply the filter before  binarization
> (thresholding) of a grey image or on the binarized (thresholded) image?
> 
> Many thanks again.
> Lynx
> 
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========================================================
Bradley Lowekamp  
Lockheed Martin Contractor for
Office of High Performance Computing and Communications
National Library of Medicine 
blowekamp at mail.nih.gov


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