fluorescence ratio

Posted by Giulia Falivelli on
URL: http://imagej.273.s1.nabble.com/fluorescence-ratio-tp3691315.html

Hi All,

I am new in Image J.
Does anybody know how to calculate the fluorescence ration between two
different cells compartement?
Or how to calculate the mean grey value of a specific ROI?
Thank you very much.

Giulia