NDLI: SPPD: A Novel Reassembly Method for 3D Terracotta Warrior Fragments Based on Fracture Surface Information

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SPPD: A Novel Reassembly Method for 3D Terracotta Warrior Fragments Based on Fracture Surface Information

Content Provider	MDPI
Author	Yao, Wenmin Chu, Tong Tang, Wenlong Wang, Jingyu Cao, Xin Zhao, Fengjun Li, Kang Geng, Guohua Zhou, Mingquan
Copyright Year	2021
Description	As one of China′s most precious cultural relics, the excavation and protection of the Terracotta Warriors pose significant challenges to archaeologists. A fairly common situation in the excavation is that the Terracotta Warriors are mostly found in the form of fragments, and manual reassembly among numerous fragments is laborious and time-consuming. This work presents a fracture-surface-based reassembling method, which is composed of SiamesePointNet, principal component analysis (PCA), and deep closest point (DCP), and is named SPPD. Firstly, SiamesePointNet is proposed to determine whether a pair of point clouds of 3D Terracotta Warrior fragments can be reassembled. Then, a coarse-to-fine registration method based on PCA and DCP is proposed to register the two fragments into a reassembled one. The above two steps iterate until the termination condition is met. A series of experiments on real-world examples are conducted, and the results demonstrate that the proposed method performs better than the conventional reassembling methods. We hope this work can provide a valuable tool for the virtual restoration of three-dimension cultural heritage artifacts.
Starting Page	525
e-ISSN	22209964
DOI	10.3390/ijgi10080525
Journal	ISPRS International Journal of Geo-Information
Issue Number	8
Volume Number	10
Language	English
Publisher	MDPI
Publisher Date	2021-08-05
Access Restriction	Open
Subject Keyword	ISPRS International Journal of Geo-Information Isprs International Journal of Geo-information Information and Library Science Terracotta Warrior Fragments Point Cloud 3d Reassembling Siamese Network Coarse-to-fine Registration
Content Type	Text
Resource Type	Article

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