中文说明：老外写的一个分割脑部组织的matlab代码，可有效分割出白质和灰质，并且计算体积，处理的图像为dicom图像，支持3d图像分割。
English Description：
A matlab code for brain tissue segmentation written by foreigners can effectively segment white matter and gray matter, and calculate the volume. The processed image is DICOM image, which supports 3D image segmentation.