Classification Algorithm of Casting 3D Model Based on Normal Operator and D2 Operator
SUN Xiaolong, ZHANG Zhipeng, JI Xiaoyuan, TONG Jialiang, GUAN Yaqian, ZHANG Huandong, ZHOU Jianxin
China Mechanical Engineering . 2020, (22): 2655 -2662 .  DOI: 10.3969/j.issn.1004-132X.2020.22.002