Laser scanning and prospects of its application for the purposes of topographic mapping and cadastre

The aticle investigates the current state of affairs concerning the use of laser scanning results for the purposes of topographic mapping, cadastre and obtaining spatial information in Russia and abroad. The problems inherent in aerial laser scanning from manned and unmanned aerial vehicles (UAVs) are considered. In particular, for laser scanning systems installed on UAVs, there are constraining factors of their application, namely the existing organizational and legal restrictions on UAV access to airspace and ensuring flight safety, including at night. Laser scanning systems installed on manned aircraft are characterized by problems of high cost of equipment and software, as well as a limited and every year decreasing the number of specially equipped carriers capable of providing effective laser scanning from high altitudes.

The prospects and directions of laser scanning technologies application for the purposes of topographic mapping, cadastre, obtaining spatial information in order to create digital twins of territories and objects are shown. These prospects and directions are associated with the implementation of laser scanning technologies in the creation of cities with the millions of people in Siberia, the creation of an unified electronic cartographic framework (UECF), obtaining a very special type of product – high-precision topobathymetric laser surveying.

Proposals on the tasks requiring solutions for more intensive introduction of laser scanning technologies in the production works of Rosreestr and other departments are given. These proposals include the development on the basis of pilot production works of regulatory and technical documents, standards as well as the documents regulating the time and financial costs of work, taking into account new approaches to assessing the effectiveness of using of the laser scanning technologies. These approaches are associated with new types of products, multipurpose application of spatial information in various branches of the country’s economy, multiple the use of information on the principle of “received once, use repeatedly”.

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