Tailakov O. V., Korovin D. S. – Coal Institute of FRC CCC, the Siberian Branch of RAS, Kemerovo, the Russian
Federation. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

The practical use of the approach to increasing the geometric accuracy of the 3D rock mass model with the use of
the mining technological transport identified in the photographs during loading and unloading operations in an open coal store
is considered. Experimental data are presented on the creation of a digital terrain model of an open coal deposit on the
basis of aerial survey data using unmanned aerial vehicles Geoscan 101, PTERO-E5 and GateWing X100. The process
of photogrammetry processing of aerial photographs in digital system PhotoScan is described. Mean square errors at the
control points in plan and by height, found from the differences in double measurements using the GPS/GLONASS
survey data of the receiver, for three models of the coal storage terrain before and after the coordinate network correction.
It is established that aerial photography using unmanned aerial vehicles allows to quickly register the space-time
characteristics of an open coal store with accuracy plan and by height corresponding to plans of scale 1 : 500.

Key words: unmanned air vehicle; aerial photography; digital photogrammetry; digital terrain model; open coal store.

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