Re: Count the number of red pixels (or area)

Posted by Sam Lloyd on Apr 08, 2014; 12:57pm
URL: http://imagej.273.s1.nabble.com/Count-the-number-of-red-pixels-or-area-tp5007240p5007242.html

select an area and press [M]. make sure under results>set measurements you have area ticked. This will give you a percentage of the area which is one colour.