[Insight-users] canny edge detection filter
Luis Ibanez
luis.ibanez at kitware.com
Thu Mar 12 13:33:08 EDT 2009
Hi Robert,
As Karthik pointed out, the edge linking step seems to be implemented
in lines 37-480 of
Insight/Code/BasicFilters/itkCannyEdgeDetectionImageFilter.txx
In the methods:
HysteresisThresholding()
FollowEdge()
Regards,
Luis
-------------------------
Atwood, Robert C wrote:
> Apropos of this thread,
>
> Is the CannyEdgeDetectionImageFilter still lacking the linking phase as described in the doxygen?
>
> http://www.itk.org/Doxygen/html/classitk_1_1CannyEdgeDetectionImageFilter.html
> (quote)
> Todo:
> Edge-linking will be added when an itk connected component labeling algorithm is available.
> (end quote)
> Thanks
> Robert
>
>
>
>>-----Original Message-----
>>From: insight-users-bounces at itk.org
>>[mailto:insight-users-bounces at itk.org] On Behalf Of Wen Shi
>>Sent: 11 March 2009 04:00
>>To: insight-users
>>Subject: [Insight-users] canny edge detection filter
>>
>>Hi Guys,
>>
>>I am interested in the "canny edge detection filter".
>>I am just wondering what's the methodology this filter
>>applies in order to detect/segment the edges/contours of the
>>image. I read the software guide but there is no detail description.
>>Can some one help me with that?
>>
>>Thanks a lot
>>
>>Wen SHi
>>
>>SFU
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