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Re: Average intensity along concentric circles

Posted by Rasband, Wayne (NIH/NIMH) [E] on Jan 21, 2014; 5:57pm
URL: http://imagej.273.s1.nabble.com/Average-intensity-along-concentric-circles-tp5006193p5006208.html

On Jan 20, 2014, at 4:32 PM, moxed wrote:

> Hello, I was wondering if anyone could help me figure out a way to take the
> average pixel intensity along a high number of concentric circles (~100).  
>
> I know the Concentric Circle plugin will let me overlay concentric circles
> on the image... but is there anyway to get the average intensity
> along/around the perimeter of each of these circles?

There is an updated version of the Concentric Circle plugin at

   http://rsbweb.nih.gov/ij/plugins/concentric-circles.html

with a "Measure" option that calculates and displays the average intensity along the perimeter of each circle.

-wayne
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