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1 function e = cden2(s,x,t)
2
3 % % Example
4 % s1 = double(imread('st.tif'));
5 % s = s1(:,:,3);% x = s + 20*randn(size(s));
6 % t = 0:5:45;
7 % e = cden2(s,x,t);
8 % plot(t,e);
9
10 N = length(t);
11 for k = 1:N
12     y = denC2D(x,t(k));
13     e(k) = sqrt(mean(mean((y-s).^2)));
14 end
15