matlab问题 ref =double(imread('tu1.jpg')); ref = ref(1:size(ref,1)/2,1:size(ref,2)/2);
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![matlab问题 ref =double(imread('tu1.jpg')); ref = ref(1:size(ref,1)/2,1:size(ref,2)/2);](/uploads/image/z/6920944-16-4.jpg?t=matlab%E9%97%AE%E9%A2%98+ref+%3Ddouble%28imread%28%27tu1.jpg%27%29%29%3B+ref+%3D+ref%281%3Asize%28ref%2C1%29%2F2%2C1%3Asize%28ref%2C2%29%2F2%29%3B)
matlab问题 ref =double(imread('tu1.jpg')); ref = ref(1:size(ref,1)/2,1:size(ref,2)/2);
matlab问题 ref =double(imread('tu1.jpg')); ref = ref(1:size(ref,1)/2,1:size(ref,2)/2);
matlab问题 ref =double(imread('tu1.jpg')); ref = ref(1:size(ref,1)/2,1:size(ref,2)/2);
ref =double(imread('tu1.jpg')); %读取tu1.jpg图像,并转为double格式赋值到ref中;
ref = ref(1:size(ref,1)/2,1:size(ref,2)/2); % 截取图像的一般前1/4.