Otsu算法是图像分割算法中比较实用和高效的一种，对图像的后续处理有很好的作用-Otsu algorithm is image segmentation algorithm in a more practical and efficient, the follow-up processing of the images have a good effect

将Pedro F. Felzenszwalb的 Efficient Graph Based Image segmentation 作者提供的c代码封装，提供了Matlab调用接口。 输入参数如英文所示。-offer the matlab code interface of pedro F. Felzenszwalb s efficient graph based image segmentation （image,sigma 0.8,k 300,min_size 100)