Measuring RGB average values in an ROI

Posted by Jon Harman-3 on Feb 17, 2015; 11:52pm
URL: http://imagej.273.s1.nabble.com/Measuring-RGB-average-values-in-an-ROI-tp5011644.html

Hi,
Just checking if there is a simple way to get the average R,G,B values
in a color image inside of an ROI.  I know that I could split the image
into R, G, B images then copy the ROI into each and calculate the
average gray.  That seems to be a pain.  Is there anything easier?

Thanks,
Jon

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