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Re: particle analysis within region of interest

Posted by jerie on Jul 25, 2015; 11:01pm
URL: http://imagej.273.s1.nabble.com/particle-analysis-within-region-of-interest-tp5013741p5013742.html

Dear Susan,

could it be a simple as using the command 'duplicate' after ROI selection
and applying thus the thresholded  measurement only at the copied subregion
of the image?

Good luck,  Jens

Visiting Scientist
Fundação Oswaldo Cruz - Ministério da Saúde, Centro de Desenvolvimento
Tecnológico em Saúde (CDTS)
Am 25.07.2015 16:23 schrieb "Travers, Susan" <[hidden email]>:

> This should be simple but somehow I can't get it to work. I want to count
> particles in a specific region of interest. I have:
> Thresholded the image (using, threshold or color threshold-the particle
> analysis works correctly on the thresholded image)
> But when I try to count particles in a subregion, either by using the ROI
> manager or "selection" "specify", I still get the count that corresponds to
> ALL the particles in the image.
> At the same time, if I use the ROI manager and then the "measure" command,
> the measurements correspond to the ROI's that I've defined.
> Does anyone have a suggestion?  Thanks so much.
>
> Susan
>
> Susan Travers
> Professor
> Division of Biosciences
> College of Dentistry
> The Ohio State University
>
> 305 West 12th Avenue
> Columbus, Ohio  43210
>
> 614-292-6366 (office)
> 614-457-6945 (fax)
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>
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Jens Rietdorf Visiting Scientist Fundação Oswaldo Cruz - Ministério da Saúde, Centro de Desenvolvimento Tecnológico em Saúde (CDTS), Rio de Janeiro, Brasil.