Application of high-precision real texture 3D modeling in Ming Dynasty stone tablet

doi:10.13474/j.cnki.11-2246.2021.0184

Abstract

Abstract: In order to solve the problem of fine modeling of 3D surveying and mapping of cultural relics, this paper mainly discusses the use of hand-held high-precision three-dimensional laser scanning technology to study the high-precision real texture three-dimensional laser scanning modeling of Matteo Ricci tombstone, Tang ruowang tombstone and Nan Huairen tombstone in the palisade cemetery, which ensures the accuracy, precision and integrity of the cultural relic model. Hand held high-precision 3D laser scanning technology combines triangulation, laser measurement, close range photogrammetry, self positioning and other technical means to realize the fine mapping of complex texture cultural relics with a certain volume. In this paper, through the analysis of the basic principles of triangulation and close range photogrammetry, a set of 3D scanning technology process for fine texture and complex carving is explored by combining the characteristics of the two technologies. Through the research of hand-held laser scanning technology, the feasibility and reliability of this technology for cultural relics surveying and mapping are verified, which summarizes a set of new technical process for meso scale volume cultural relics surveying and mapping, and lays a foundation for future exploration of 3D surveying and mapping of cultural relics with different volumes and integration of various surveying and mapping technologies.

Key words: 3D laser scanning, high-precision, 3D modeling, texture mapping

CLC Number:

P237

QI Yongliang, LI Haipeng, WANG Yongguo. Application of high-precision real texture 3D modeling in Ming Dynasty stone tablet[J]. Bulletin of Surveying and Mapping, 2021, 0(6): 98-102.

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