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Re: need help with idl [message #82542 is a reply to message #82482]

Sun, 16 December 2012 00:37

ann[1]
Messages: 9
Registered: December 2012

Junior Member

On Thursday, 13 December 2012 19:29:44 UTC+5:30, David Fanning wrote:
> Ann writes:
>
>
>
>> I defined some patches within which the pixels have varying intensity. I want to pick up pixel groups, minimum size 4 pixels with intensity greater than a given threshold. I want to use the indices of those groups.
>
>> Could someone help me out?
>
>
>
> Make a bi-level image with your threshold, then use
>
> Label_Region to select your pixel groups. You can
>
> screen them for size as you process them, discarding
>
> any that are less than your minimum. Here is an article
>
> that describes the process:
>
>
>
> http://www.idlcoyote.com/ip_tips/blobanalysis.html
>
>
>
> Cheers,
>
>
>
> David
>
>
>
> --
>
> David Fanning, Ph.D.
>
> Fanning Software Consulting, Inc.
>
> Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
>
> Sepore ma de ni thue. ("Perhaps thou speakest truth.")

Thank you for the reply. The blob_analyzer is the code is the one that suits my requirement. Thank you once again.

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[Message index]

		Need Help With idl library rpcidl.a By: Steve McLaughlin on Wed, 20 December 1995 00:00
		Re: need help with idl By: David Fanning on Thu, 13 December 2012 05:59
		Re: need help with idl By: ann[1] on Sun, 16 December 2012 00:37

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