形态学的用途主要是获取物体拓扑和结构信息，它通过物体和结构元素相互作用的某些运算，得到物体更本质的形态。这个代码实现了腐蚀和膨胀操作-The main purpose is to obtain morphological object topology and structure information, it is through the interaction of objects and structural elements of certain operations to be mor