Comparison of airborn laser scanning and aerial survey using unmanned air vehicles

The data obtained by airborn laser scanning and aerial survey using unmanned air vehicles in mountainous forested areas are analyzed. The test object was Khokhsolakh site in the Tompo district in the Republic of Sakha (Yakutia). The field surveys produced: 3D array of laser reflection points obtained by airborn air scanning using UAV Geoscan 401 LiDAR; a set of photographs obtained using UAV Geoscan 101 Lite. The array of the points was classified using the ground / off-ground principle. Actually, this is a high-density and accuracy digital model of a true terrain, a framework for the orthophotomaps, digital topography at a scale of 1:1000 and smaller, or 3D modeling of terrain and objects. A scanner mounted on a flight vehicle (a plane, a helicopter) performs pulsed discrete scanning of an area and objects located in this area. The 3D array of points is divided to 10 blocks of equal areas. The density of points per 1 square meter is calculated in each block. The theoretical and actual number of the terrain points is counted. These data obtained in airborn laser scanning and aerial survey are compared.

Keywords: airborn laser scanning, aerial survey, unmanned air vehicle, topographic plan, map, mountainous forested areas, remote sensing, LiDAR.
For citation:

Druz' R. A., Protasova A. V., Ohunov Sh. R., Kshanovskaja A. V. Comparison of airborn laser scanning and aerial survey using unmanned air vehicles. MIAB. Mining Inf. Anal. Bull. 2023;(5):130-141. [In Russ]. DOI: 10.25018/0236_1493_2023_5_0_130.

Issue number: 5
Year: 2023
Page number: 130-141
ISBN: 0236-1493
UDK: 528.837
DOI: 10.25018/0236_1493_2023_5_0_130
Article receipt date: 24.10.2022
Date of review receipt: 17.02.2023
Date of the editorial board′s decision on the article′s publishing: 10.04.2023
About authors:

R.A. Druz'1, Student, e-mail:,
A.V. Protasova1, Student, e-mail:,
Sh.R. Ohunov1, Senior Lecturer, e-mail:,
A.V. Kshanovskaja1, Senior Lecturer, e-mail:,
1 Irkutsk National Research Technical University, Irkutsk, 664074, Russia.


For contacts:

R.A. Druz', e-mail:


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