灰度图像分割

[baidut]

Pixel-based

Adaptive kmeans Clustering for Color and Gray Image. http://www.mathworks.com/matlabcentral/fileexchange/45057-adaptive-kmeans-clustering-for-color-and-gray-image

kmeans image segmentation http://www.mathworks.com/matlabcentral/fileexchange/8379-kmeans-image-segmentation/content/kmeans.m

two segments Fuzzy c-means segmentation http://cn.mathworks.com/matlabcentral/fileexchange/25532-fuzzy-c-means-segmentation?s_tid=srchtitle

Graph-based

[mex, require installation] Efficient Graph based image Segmentation http://www.mathworks.com/matlabcentral/fileexchange/25866-efficient-graph-based-image-segmentation

2 class Fast segmentation of N-dimensional grayscale images http://www.mathworks.com/matlabcentral/fileexchange/41967-fast-segmentation-of-n-dimensional-grayscale-images

[baidut]

App

GrowCut 通过手动标注一些样本点进行分割 http://www.shawnlankton.com/2008/03/growcut-segmentation-in-matlab/

[baidut]

可以用 k-means 分割，参考 http://cn.mathworks.com/help/images/examples/color-based-segmentation-using-k-means-clustering.html http://www.mathworks.com/matlabcentral/fileexchange/8379-kmeans-image-segmentation 没有必要浪费颜色信息