Abstract
Recently different types 3D data of many cultural heritage are collected, however, how to store and manage these data problem. This paper presents a new solution regarding cultural 3D information fine reconstruction and data management based on 3D modeling. These data were stored with the file system and database, which improved the efficiency of data retrieval; on this basis, hyper-fine 3D models of cultural relics were established. Fine 3D information model based on this method can be used for 3D statistics, virtual restoration and change detection, etc. It can provide a scientific basis for the field of conservation and restoration of cultural relics, but can also provide a reference for fine 3D reconstruction to be applied to other cultural relics. Finally, the Dazu Thousand-hand Bodhisattva has been taken as an example, which verified the feasibility and effectiveness of the program.
Highlights
The Dazu Thousand-hand Bodhisattva Statue is China’s largest three-dimensional cliff-carved statue, combining sculpture, clay sculpture, gold foil painting, and colored drawing(Wu et al, 2011)
The work was as follows: (1) Cultural relic 3D information data were managed by the way of a combination database and file system; the program could provide a new approach for the data management in the protection work of cultural relics
(2) Detailed information documentation of the whole niche statues was achieved, which could be taken as a permanent archive of historical data. (3) 3D fine models of all objects of the Thousand-hand Bodhisattva were established, which could provide basic data for virtual restoration or digital display and other follow-up applications
Summary
The Dazu Thousand-hand Bodhisattva Statue is China’s largest three-dimensional cliff-carved statue, combining sculpture, clay sculpture, gold foil painting, and colored drawing(Wu et al, 2011). The 3D carved statue of the Thousand-hand Bodhisattva is complex in structure, so its morphology, structure and preservation condition cannot be completely or realistically reflected by plane and facade surveying and mapping, given the following limitations: information retention is neither complete nor realistic; the failure to perform disease investigation, quantitative statistics and assessment of high precision; the failure to provide. The technical aspects of new methods used for cultural heritage documentation are assessed
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