Sliding window to calculate intra-window difference
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I have a matrix s=512*100*20 (with N=100). I want to implement sliding window of a width 2W+1 that is centered at position i to compute the intra-window difference s(i+w)-s(i-w) for every possible position. I have attached the algorithm. Anyone, please help me how to implement it in Matlab.
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Adam Danz
2018 年 9 月 24 日
The formula in the attachment is written below. I don't know what your value W is and I don't now how your variable N comes into play.
% deltaW = nan(?,?); %allocate your loop variable here after you know what its size should be.
for i = W : N-1-W
deltaW(i) = s(i+W) - s(i-W);
end
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