中文说明：(1) 一系列颗粒状物体形成的二值图像，假设各颗粒具有相同的大小，采用形态学算法产生 三种图像，使其分别包含 (a) 与边界连通的独立颗粒 (b) 彼此交叠的颗粒 (c) 彼此无交叠的独立颗粒
English Description：
(1) The binary image formed by a series of granular objects, assuming that each particle has the same size, is generated by morphological algorithm