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rns521

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IA = imread('1.jpg');
A = imcrop(IA,[2050,900,60,60]);
N = rgb2gray(A);
[m,n] = size(N);
pixelSum = 0;
for i = 1:m-1;
    for j = 1:n-1;
           pixelSum = pixelSum+N(i,j);
    end;
end;
pixelSum

pixelSum =

  255
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mengxc

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ÓàÔó³É(½ð±Ò+2): лл²ÎÓëÓ¦Öú£¬»¶Ó­³£À´³ÌÐòÓïÑ԰棡 2011-11-08 17:54:41
pixelSum = pixelSum+N(i,j);
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2Â¥2011-11-07 08:34:25
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