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Re: about label_region [message #25636 is a reply to message #25610]

Thu, 05 July 2001 09:22

Amar Nayegandhi
Messages: 15
Registered: May 2001

Junior Member

> The ones who used label_region in IDL must be suprised at the
> efficieny of this function. But how can I find out what algorithm is
> used in LABEL_REGION? Since I do not see this function in the library,
> I assume it is written in C somewhere.
[
label_region uses a 'connected components' algorithm that is described
in any good Image Processing text book. It has the option of using 4
neighbors or 8 neighbors. I have used labe_region often, and I have a
strong feeling i get the same results using the 4 or 8-neighbor
approach. I dont think the 8-neighbor approach gives any better results
than the 4-neighbor approach.
- amar
]

--
*************************************************
Murphy's Law of Research:
Enough research will tend to support your theory.
*************************************************
Amar Nayegandhi
Graduate Student
Department of Computer Science,
University of South Florida, Tampa.

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[Message index]

		about label_region By: julia65201 on Sun, 01 July 2001 15:02
		Re: about label_region By: Amar Nayegandhi on Thu, 05 July 2001 09:22
		Re: about label_region By: julia65201 on Tue, 10 July 2001 07:54
		Re: about label_region By: Martin Downing on Wed, 11 July 2001 04:25

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