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IJAT Vol.15 No.3 p. 257
doi: 10.20965/ijat.2021.p0257
(2021)

Editorial:

Special Issue on Digital Geometry Processing for Large-Scale Structures and Environments

Hiroaki Date, Tomohiro Mizoguchi, and Kiichiro Ishikawa

Hokkaido University
Kita-ku, Sapporo, Japan

Nihon University
Tamura-machi, Koriyama, Japan

Nippon Institute of Technology
Miyashiro-machi, Minamisaitama-gun, Japan

Published:
May 5, 2021

The application of digital geometry processing is undergoing an extension from small industrial products to large-scale structures and environments, including plants, factories, ships, bridges, buildings, forests, and indoor/outdoor/urban environments. This extension is being supported by recent advances in long-range 3D laser scanning technology. Laser scanners are mounted on various platforms, such as tripods, wheeled vehicles, airplanes, and UAVs, and the laser scanning systems are used to efficiently acquire dense and accurate digitized 3D data of the geometry, called point clouds, of large-scale structures and environments. As another technology for the acquisition of digital 3D data of structures and environments, 3D reconstruction methods from digital images are also attracting a great deal of attention because of their flexibility.

The utilization of digital 3D data for various purposes still has many challenges, however, in terms of data processing. The extraction of accurate and meaningful information from the data is an especially important and difficult problem, and many studies on object and scene recognition are being conducted in many fields. How to acquire useful and high-quality digital 3D data of large-scale structures and environments is another problem to be solved for digital geometry processing to be widely used.

This special issue addresses the latest research advances in digital geometry processing for large-scale structures and environments. It covers a broad range of topics in geometry processing, including new technologies, systems, and reviews for 3D data acquisition, recognition, and modeling of ships, factories, plants, forests, river dikes, and urban environments.

The papers will help the readers explore and share their knowledge and experience in technologies and development techniques in this area. All papers were refereed through careful peer reviews. We would like to express our sincere appreciation to the authors for their excellent submissions and to the reviewers for their invaluable efforts in producing this special issue.

Cite this article as:
Hiroaki Date, Tomohiro Mizoguchi, and Kiichiro Ishikawa, “Special Issue on Digital Geometry Processing for Large-Scale Structures and Environments,” Int. J. Automation Technol., Vol.15, No.3, p. 257, 2021.
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Last updated on Oct. 22, 2021