中文说明：该程序用于实现图像分割中的区域生长法。共有4个参数。1，2，种子点的座标，3，图像，4，生长时用到的域值。
English Description：
This program is used to realize the region growing method in image segmentation. There are four parameters. 1, 2, coordinate of seed point, 3, image, 4, domain value used in growth.