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Re: Grouping adjacent detected pixels? [message #4997 is a reply to message #4996] Mon, 28 August 1995 00:00 Go to previous message
chase is currently offline  chase
Messages: 62
Registered: May 1993
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>>>> > "Mitchell" == Mitchell R Grunes <grunes@news.nrl.navy.mil> writes:
In article <grunes.160.809624931@news.nrl.navy.mil> grunes@news.nrl.navy.mil (Mitchell R Grunes) writes:


Mitchell> Subject: Grouping adjacent detected pixels?
Mitchell> I have an image of "detected" points--
Mitchell> True for pixels meeting some detection criteria (such as brightness).
Mitchell> False otherwise.

Mitchell> I wish, using WAVE or IDL, to:

Mitchell> 1. Group together adjacent detected pixels.
Mitchell> If I want to get fancy, I might try to group together detected
Mitchell> pixels which are within a specific distance of touching.

If you only want to groups as adjacent pixels, try the LABEL_REGION
command that comes with IDL. If you want a distance larger than 1 for
"adjancent" pixels you can combine DILATE (or convolution with a more
general kernel) with label_region and AND the result with your
original image.

Chris
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