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《Journal of Graphics》 2017-04
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An Effective Fracture Surface Segmentation Method of the Terracotta Warrior Block

ZHAO Fuqun;ZHOU Mingquan;School of Education Science, Xianyang Normal University;School of Information Science and Technology, Northwest University;School of Information Science and Technology, Beijing Normal University;  
The Terracotta Warrior block is a rigid block with some thickness, and it's fracture surface segmentation is an important work of Terracotta Warrior restoration. Aiming at triangular mesh data model of Terracotta Warrior blocks, an effective fracture surface segmentation method was proposed here. Firstly, the feature segmentation points were extracted by calculating the volume integral invariant of each vertex on surfaces. Secondly, the closed boundary lines were solved by minimum spanning trees algorithm and pruning strategy. Finally, all the surfaces were extracted and the fracture surfaces were distinguished from original surfaces. The experimental results showed that the proposed method could effectively complete fracture surface segmentation of the Terracotta Warrior block when the fracture surfaces were rougher than original surfaces. So the proposed fracture surface segmentation method is an effective fracture surface segmentation way of Terracotta Warrior blocks.
【Fund】: 国家自然科学基金项目(61373117);; 陕西省社科界重大理论与现实问题研究项目(2017C054)
【CateGory Index】: K876.3;TN249
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