spatial frequency

Posted by rott on Jan 26, 2007; 1:34am
URL: http://imagej.273.s1.nabble.com/spatial-frequency-tp3700528.html

My intention is to determine spatial frequencies for small areas within an image (eg 4x4 pixel groups) and through that judge the sharpness of these areas
a) is spatial frequencies calculation indeed the best way to determine sharpness?
b) any plug-in suggestion for that?

Thank you
Pavlos Iliopoulos

 
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