Sun Hao | 1 Aug 03:29 2004
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itkVectorFuzzyConnectednessImageFilterTest

Hi everybody,
When I read  itkVectorFuzzyConnectednessImageFilterTest.cxx in ITK examples, I am puzzled by the variable homo_cov[FEATURES_NUM][FEATURES_NUM]. Can you tell me how to compute this matix? Thank you!

Best regards,

    Sun Hao
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Yonggang | 1 Aug 05:49 2004

ITK

Hi :everyone
I only want to confirm I have successfully subscribed this mailing list .
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Yu Long | 1 Aug 06:02 2004
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Re: ITK

Hi yong gang,
You have successfully subscribed the itk-user mailing list.:)
----- Original Message -----
From: Yonggang
Sent: Sunday, August 01, 2004 11:49 AM
Subject: [Insight-users] ITK

Hi :everyone
I only want to confirm I have successfully subscribed this mailing list .

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xujf | 1 Aug 13:49 2004
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is there an example about itkNarrowBandCurvesLevelSetImageFilter?

Hello,everyone:
   I want to employ itkNarrowBandCurvesLevelSetImageFilter to relize the Narrow Band Level Set
Segmentation , but I do not know how to use this class. Is there an EXAMPLE showing how to realize
segmentation employing itkNarrowBandCurvesLevelSetImageFitler? Is the pipeline of the
segmentation employing itkNarrowBandCurvesLevelSetImageFilter as same as the pipeline of the
segmentation using itkShapeDetectionImageFiler?

Thanks in advance!

Jianfeng 
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Ruby Shamir | 1 Aug 15:06 2004
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outer surface extraction

Hi All,

I am trying to get the 3D outer surface of the head from MRI scans.

I have a 3D (very noisy) image of the head.

To do so we tried 3 approaches:

1. Using VTK we cleaned the data and "shot" rays during bounding box and
saved the closest intersection points.
   The cloud of points look pretty good. But we need a "good"
triangulation for curvature calculation. (Delauny is not good for that
for example).

2. Using MATLAB we segmented the outer surface slice by slice
(automatic). However it is important to do this on 3D data since the
result is noisy in the "z" direction (we smoothed it and it is till not
good enough).

3. Therefore we are seeking for a 3D segmentation approach; threshold
level set as Luis suggested us seems good. 

My questions are:

1. Does someone know a consistent triangulation method/implementation?

2. Does someone have a 3D segmentation of the outer surface examples
(with complex objects and noisy data)?

Thank you,

(and sory for the long letter)

      Ruby
Yonggang | 2 Aug 02:38 2004

Re: Contents of Insight-users digest

 
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Yonggang | 2 Aug 03:08 2004

Re:outer surface extraction

 
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Ruby Shamir | 2 Aug 09:23 2004
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Re:outer surface extraction

I can not see your message,

Please try to send it in plain text format (and not HTML).

Thank you,

  Ruby
Ruby Shamir | 2 Aug 09:26 2004
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Yonggang message - can not see

Hello Yonggang,

 

Thank you for answering me,

 

However I can not see your message, please try to send it again in plain text format.

 

Regards,

 

  Ruby

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Guorong Wu | 2 Aug 10:00 2004
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how can I get the cvs of doxygen 1.7?

hello all:
	how can I get the cvs of doxygen 1.7?
Thanks.
 				

        Guorong Wu
        grwu <at> sjtu.edu.cn
          2004-08-02

=============================================================
Guorong Wu	
The Department of Computer Science and Technology
Shanghai Jiao Tong University
1954 Huashan RD
Shanghai China    
200030
Tel:  +86 21 3226 1236  , 6293 2089
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