Serendipity
b8a8ff2bc6
实现内容： - 网格划分：投影分析 + 自相关估周期 + 白顶帽去背景 + 质心提取 - 三种阈值分割：人工阈值、Otsu自动阈值、迭代阈值 - TV去噪（Chambolle投影算法） - 后处理：去小连通域 + 保留最大连通域 - 完整可视化：网格叠加、阈值对比、收敛曲线、分割结果 参考MATLAB代码：NewGridAndCV/demo_GriddingAndCV.m
26 lines
693 B
Matlab
26 lines
693 B
Matlab
function showphi(I, phi, i)
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% show curve evolution of phi
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% Copyright (c) 2009,
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% Yue Wu @ ECE Department, Tufts University
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% All Rights Reserved
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for j = 1:size(phi,3)
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phi_{j} = phi(:,:,j);
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end
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% imshow(I,'initialmagnification','fit','displayrange',[0 255]);
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% hold on;
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if size(phi,3) == 1
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contour(phi_{1}, [0 0], 'r','LineWidth',4);
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contour(phi_{1}, [0 0], 'g','LineWidth',1.3);
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else
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contour(phi_{1}, [0 0], 'r','LineWidth',4);
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contour(phi_{1}, [0 0], 'x','LineWidth',1.3);
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contour(phi_{2}, [0 0], 'g','LineWidth',4);
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contour(phi_{2}, [0 0], 'x','LineWidth',1.3);
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end
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% hold off;
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% title([num2str(i) ' Iterations']);
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drawnow; |