本设计完成实现由杨帆编著的数字图像处理与分析（第二版）书中的第六章—数学形态学及其应用中的相关功能：对图像进行腐蚀和膨胀，对图像进行形态学滤波以及骨架提取。-The design is completed implemented by Yang Fan edited digital image processing and analysis (Second Edition) Chapter VI of the book- mathematical morphology and its applications related functions: the image erosion and dilation, morphological filtering and image skeleton extraction.