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Remote Sens. 2016, 8(4), 270; doi:10.3390/rs8040270

Fine Surveying and 3D Modeling Approach for Wooden Ancient Architecture via Multiple Laser Scanner Integration

1,†
,
2,†,* , 3,†
,
1,†
,
1,†
and
3,†
1
School of Remote Sensing and Information Engineering, Wuhan University, No.129, Luoyu Road, Wuhan 430079, China
2
School of International Software, Wuhan University, No.129, Luoyu Road, Wuhan 430079, China
3
Institute of National Culture Development, Wuhan University, Luojiashan, Wuhan 430070, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Diego Gonzalez-Aguilera, Fabio Remondino, Randolph H. Wynne and Prasad S. Thenkabail
Received: 30 November 2015 / Revised: 17 February 2016 / Accepted: 1 March 2016 / Published: 25 March 2016

Abstract

A multiple terrestrial laser scanner (TLS) integration approach is proposed for the fine surveying and 3D modeling of ancient wooden architecture in an ancient building complex of Wudang Mountains, which is located in very steep surroundings making it difficult to access. Three-level TLS with a scalable measurement distance and accuracy is presented for data collection to compensate for data missed because of mutual sheltering and scanning view limitations. A multi-scale data fusion approach is proposed for data registration and filtering of the different scales and separated 3D data. A point projection algorithm together with point cloud slice tools is designed for fine surveying to generate all types of architecture maps, such as plan drawings, facade drawings, section drawings, and doors and windows drawings. The section drawings together with slicing point cloud are presented for the deformation analysis of the building structure. Along with fine drawings and laser scanning data, the 3D models of the ancient architecture components are built for digital management and visualization. Results show that the proposed approach can achieve fine surveying and 3D documentation of the ancient architecture within 3 mm accuracy. In addition, the defects of scanning view and mutual sheltering can overcome to obtain the complete and exact structure in detail. View Full-Text
Keywords: ancient wooden architecture; terrestrial laser scanning; documenting; fine surveying; 3D modeling; point cloud projection; point cloud slicing ancient wooden architecture; terrestrial laser scanning; documenting; fine surveying; 3D modeling; point cloud projection; point cloud slicing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Hu, Q.; Wang, S.; Fu, C.; Ai, M.; Yu, D.; Wang, W. Fine Surveying and 3D Modeling Approach for Wooden Ancient Architecture via Multiple Laser Scanner Integration. Remote Sens. 2016, 8, 270.

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