![]() ![]() So it is not possible to assess basic information, such as where something is located. However, when analyzing point cloud data with existing systems, the point cloud data itself is nothing more than a set of points. Or that there are trees, a traffic light, and a road sign along it. When a road is modeled in 3D using point cloud data, it is easy for people to visually understand at a glance that the roadway extends from here to there and has a sidewalk next to it. Specifically, they and to identify roads at risk in the event of a disaster.ģD Point Studio Platform Takes On ChallengesĪlthough it is certainly a useful technology, Dr Nakamura and his colleagues indicate that it is difficult to use point cloud data wisely in accordance with its intended purpose. For that reason, the Ministry of Land, Infrastructure, Transport, and Tourism is working to utilize point cloud data to improve the efficiency of road management. The technology can also be applied to infrastructure inspections. Point cloud data is not only used for "preservation" of buildings but is also attracting interest in the field of "i-Construction." That is a field where ICT is being applied to construction sites and civil engineering work. They used 3D laser scanners to archive not only the exterior but also the interior stage, audience seats, and the structure behind the ceiling. In 2019, a group of volunteers worked to preserve the architecture in cyberspace. It was designed by the late Kiyonori Kikutake, one of the leading architects of the post-war period. These can be used to record detailed data of objects in actual sites.įor example, take the decision to deconstruct the former Miyakonojo Civic Hall (Miyakonojo City, Miyazaki Prefecture). Point cloud data is a huge aggregation of points with information such as XYZ (width, height, depth) coordinates and RGB (red, green, blue) values of color. The team was led by Kenji Nakamura, professor at Osaka University of Economics, Ryuichi Imai, professor at Hosei University, Yoshinori Tsukada, associate professor and Yoshimasa Umehara, lecturer at Setsunan University, and Shigenori Tanaka, professor at Kansai University.Ī report by the team was published in English in the Journal of Digital Life, a multidisciplinary, peer-reviewed, open access, online journal based in Japan. However, by using a platform that makes it possible to share 3D data, including point cloud data, the range of its application will increase, the researchers explain. Laser measurements are merely a "collection of points," the team reports. ![]() A research team reports on "point cloud data" technology for reproducing actual cityscapes and buildings in virtual spaces. ![]()
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