Abstract
Abstract. The calculation of the amount of bricks used in the area of falling-off is of great significance to the restoration of the ruins of ancient cities In order to support the digital restoration of the city wall of Puzhou Ancient City Site, this paper analyzed and calculated the amount of outer cladding brick of the city wall based on SLAM data. Firstly, the point cloud data of Puzhou city wall is obtained by SLAM technology. Secondly, the original point cloud is processed by Geomagic Studio software, and the area of the damaged area is accurately measured from the packaging model. Finally, based on the characteristics of brick masonry of ancient city walls, this paper estimates the amount of brick used in the area where the external wall of drum tower falls off, thus providing data support for the repair and maintenance of Puzhou ancient city.
Highlights
Puzhou ancient city site is an important cultural heritage site in China., which embodies the wisdom of the ancient working people and carries the history and culture, and has important research value
It can be divided into three types: total station mapping technology based on single point survey, photogrammetry technology and three-dimensional laser scanning technology
Considering the above problems, this paper presents an analysis method of brick requirement for wall repair by SLAM technique
Summary
Puzhou ancient city site is an important cultural heritage site in China., which embodies the wisdom of the ancient working people and carries the history and culture, and has important research value. Ground three-dimensional laser scanning (TLS) has been widely used in the virtual restoration of cultural heritage, but this technology involves the registration and splicing of scanned data. Ground-based three-dimensional laser scanning (TLS) to obtain fine geometry, combined with UAV tilt photography to quickly obtain a wide range of external points is the main means to collect complex heritage objects (Alshawabkeh et al.2020). It is widely used in the virtual restoration project of cultural heritage. Digital technology based on multi-sensor capturing reality provides a powerful tool for high-precision data collection of cultural heritage sites.Murtiyoso(Murtiyosoet al.2018;Malaet al.2019; This contribution has been peer-reviewed
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