作业帮分析一段matlab中图像灰度值分析代码,变换为二值图[m n] =size(k);%%%% 对图像灰度值进行分析t=k(1:m/2,1:n/2);max_t=max(t(:)); k(1:m/2,1:n/2)=k(1:m/2,1:n/2)>0.45*max_t;t=k(1:m/2,n/2+1:end);max_t=max(t(:));k(1:m/2,n/2+1:end)=k(
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![分析一段matlab中图像灰度值分析代码,变换为二值图[m n] =size(k);%%%% 对图像灰度值进行分析t=k(1:m/2,1:n/2);max_t=max(t(:)); k(1:m/2,1:n/2)=k(1:m/2,1:n/2)>0.45*max_t;t=k(1:m/2,n/2+1:end);max_t=max(t(:));k(1:m/2,n/2+1:end)=k(](/uploads/image/z/4094967-39-7.jpg?t=%E5%88%86%E6%9E%90%E4%B8%80%E6%AE%B5matlab%E4%B8%AD%E5%9B%BE%E5%83%8F%E7%81%B0%E5%BA%A6%E5%80%BC%E5%88%86%E6%9E%90%E4%BB%A3%E7%A0%81%2C%E5%8F%98%E6%8D%A2%E4%B8%BA%E4%BA%8C%E5%80%BC%E5%9B%BE%5Bm+n%5D+%3Dsize%28k%29%3B%25%25%25%25+%E5%AF%B9%E5%9B%BE%E5%83%8F%E7%81%B0%E5%BA%A6%E5%80%BC%E8%BF%9B%E8%A1%8C%E5%88%86%E6%9E%90t%3Dk%281%3Am%2F2%2C1%3An%2F2%29%3Bmax_t%3Dmax%28t%28%3A%29%29%3B+k%281%3Am%2F2%2C1%3An%2F2%29%3Dk%281%3Am%2F2%2C1%3An%2F2%29%3E0.45%2Amax_t%3Bt%3Dk%281%3Am%2F2%2Cn%2F2%2B1%3Aend%29%3Bmax_t%3Dmax%28t%28%3A%29%29%3Bk%281%3Am%2F2%2Cn%2F2%2B1%3Aend%29%3Dk%28)
分析一段matlab中图像灰度值分析代码,变换为二值图[m n] =size(k);%%%% 对图像灰度值进行分析t=k(1:m/2,1:n/2);max_t=max(t(:)); k(1:m/2,1:n/2)=k(1:m/2,1:n/2)>0.45*max_t;t=k(1:m/2,n/2+1:end);max_t=max(t(:));k(1:m/2,n/2+1:end)=k(
分析一段matlab中图像灰度值分析代码,变换为二值图
[m n] =size(k);
%%%% 对图像灰度值进行分析
t=k(1:m/2,1:n/2);
max_t=max(t(:));
k(1:m/2,1:n/2)=k(1:m/2,1:n/2)>0.45*max_t;
t=k(1:m/2,n/2+1:end);
max_t=max(t(:));
k(1:m/2,n/2+1:end)=k(1:m/2,n/2+1:end)>0.45*max_t;
t=k(2*m/3+1:end,:);
max_t=max(t(:));
k(2*m/3+1:end,:)=k(2*m/3+1:end,:)>0.45*max_t;
k(m/2+1:end,:)=0;
figure(14);imshow(k);
其中k为一副灰度图,该程序最后变换为二值图.最好把每一段代码解释一下,最后解释它到底选择什么阈值.
分析一段matlab中图像灰度值分析代码,变换为二值图[m n] =size(k);%%%% 对图像灰度值进行分析t=k(1:m/2,1:n/2);max_t=max(t(:)); k(1:m/2,1:n/2)=k(1:m/2,1:n/2)>0.45*max_t;t=k(1:m/2,n/2+1:end);max_t=max(t(:));k(1:m/2,n/2+1:end)=k(
这段程序有问题吧,不知道作者要干什么.
开始把图像的1/4取出来,找出其中像素值最大值,凡是大于0.45*最大值的点设为1,否则设为0.
然后处理另1/4,1/2~1/3,最后把另一半设为0. 最后图像也显示不出来(得*255才行).