I am making a project on image forgery detection using demosaicing algorithm based on this paper http://cit​eseerx.ist​.psu.edu/v​iewdoc/dow​nload?doi=​10.1.1.303​.1357&rep=​rep1&type=​pdf .

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Ravindra Singh Pawar
评论： Walter Roberson 2018-9-21
I have query about how I will estimate positional variance, I know the equation is given the paper but I can't figure it out. Also what does x+y=d denote written near by the summation, it doesn't seem to be limit to be me if it is, is a upper limit or lower limit.Also can't figure the values of x and y. I really can't understand please help me out here, I am new to MATLAB. Please mail me the MATLAB code at raspawar007@gmail.com .
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