区域生长的图像分割程序，将生长起始点灰度值存入seed中，记录每次判断一点周围八点符合条件的阈值-Area growth of the image segmentation program, the growth of the starting point gray value stored in the seed, the record every time around the point of eight points meet the threshold

matlab 处理医学伪彩色图像用于医学图像处理，分为三种，密度分割法，灰度级变换以及频率域变换(Matlab treatment of medical pseudo color images)