Variance Filter question

Posted by NatashaW on
URL: http://imagej.273.s1.nabble.com/Variance-Filter-question-tp3688151.html

Dear all,

Could someone tell me how does variance filter work and which article did they depend on in the implementation?
It's not the usual one and I want to know how it detects the edge?
I'm doing a summary about the functions that I'm using in my research ..

thank you so much for your help.