UDC: 
DOI: 
10.22389/0016-7126-2021-974-8-27-35
1 Alyabyev A.A.
2 Litvintcev K.A.
3 Kobzev A.A.
Year: 
№: 
974
Pages: 
27-35

Ural-Siberian Geoinformation Company, JSC

1, 

Federal cadastral chamber of Russia State Register (Rosreestr), Federal state budgetary institution

2, 

Moscow State University of Geodesy and Cartography (MIIGAiK)

3, 
Abstract:
The geodesic method of the characteristic points’ coordinates measuring is the main method for urban cadastral works (including complex ones). Implementing digital aerial photography cameras, unmanned aerial vehicles and improving hardware and software systems for image processing enable achieving the necessary accuracy (10 cm in plan coordinates) when using the photogrammetric method. Stereo models and orthomosaics are the output products of the mentioned technology using for measurements. Due to the fact that at creating an orthomosaic, additional image conversion processes are required and they may cause the loss of accuracy and the presence of perspective distortions of high-altitude objects, orthomosaics cannot be used to determine the coordinates of characteristic points. It is proposed to use a stereo model, i.e. a three-dimensional high-precision image of the terrain, as a product for measuring characteristic points in cadastral works. The experiments’ results and the experience of production work proved that the accuracy of geodesic and stereophotogrammetric methods in the real estate cadaster are equal. At the same time, the mentioned method has some advantages: there is no need for physical presence at the site, it is possible to view the entire territory at once that proves the method’s objective nature, and there are no restrictions on measurements in urban canyons. The authors provide the features of the stereophotogrammetric method proved by the experience of the Russian Federation regions where the method is implemented; its using is regulated by the national standard GOST R 58854-2020 “Photogrammetry. Requirements for the creation of oriented aerial images for the construction of stereo models of built-up areas”.
References: 
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Citation:
Alyabyev A.A., 
Litvintcev K.A., 
Kobzev A.A., 
(2021) Photogrammetry in real estate cadaster. Geodesy and cartography = Geodezia i Kartografia, 82(8), pp. 27-35. (In Russian). DOI: 10.22389/0016-7126-2021-974-8-27-35