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Canny Edge Detection [message #41801] Sun, 28 November 2004 12:18 Go to next message
praveshsubramanian is currently offline  praveshsubramanian
Messages: 15
Registered: September 2004
Junior Member
Hello All:

Does Anyone have implementation of the Canny Edge Detection algorithm in IDL?

Thanks
Pravesh
Re: Canny Edge Detection [message #41938 is a reply to message #41801] Tue, 30 November 2004 05:19 Go to previous message
George N. White III is currently offline  George N. White III
Messages: 56
Registered: September 2000
Member
On Sun, 28 Nov 2004, Pravesh wrote:

> Hello All:
>
> Does Anyone have implementation of the Canny Edge Detection algorithm in IDL?
>
> Thanks
> Pravesh
>

http://www-sop.inria.fr/epidaure/personnel/Gregoire.Malandai n/\
segment/edges.html

has Canny-Deriche code in C for non-commercial use only.

Have you considered Sethian's level set methods?
http://math.berkeley.edu/~sethian/level_set.small.html

In your context the idea is to propagate a boundary outwards from a
starting point in a way that moves quickly thru similar points and slows
down when disimilar points are encountered.

--
George N. White III <aa056@chebucto.ns.ca>
Head of St. Margarets Bay, Nova Scotia, Canada
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