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Authors
Kholodkov, K. I.
Gukov, A. A.
Scherbakov, V. M.
Aleshin, I. M.
Gukov, A. A.
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Article History
Received: 27 April 2024
Revised: 27 June 2024
Accepted: 10 July 2024
First Online: 28 February 2025
CONFLICT OF INTEREST
: The authors of this work declare that they have no conflict of interest.
: SEQUENCE OF ACTIONS FOR IMPLEMENTING THE METHODOLOGY FOR CREATING A 3D DIGITAL MODEL OF THE SCENE OF AN ACCIDENT, PERFORMED BY A TRAFFIC PATROL INSPECTOR, INVESTIGATOR, FIRE SAFETY INSPECTOR, OR OTHER OFFICIALThe person carrying out the necessary measures at the scene of a road traffic incident performs the following actions:(1) On the way to the scene of the incident, short-term restrictions are established to ensure safety when using the airspace.(2) Upon arrival, the scene is secured: cones and barriers have been installed, bystanders have been removed, etc.(3) At least two control marks are installed at the scene of the accident in the form of contrasting flat sheets with marks.(4) The length between installed marks is measured using traditional means (rangefinders and tape measures).(5) An unmanned aerial vehicle (UAV) is launched.(6) The UAV is used to take photographs in such a way that for each significant circumstance, structural element of a building, vehicle, railway equipment, etc., there are at least two photographs where this circumstance (structural element) is in the center of the photograph.(7) The survey altitude should be selected taking into account the safe operation of the UAV and with a target elevation angle in the range of 30°–50°.(8) The control marks are removed from the scene of the incident.(9) The short-term restriction is canceled upon completion of work.(10) The geotagged photographic material is transferred to a data processing specialist.(11) The processing specialist makes calculations based on the received materials and attaches the 3D model and/or orthophotoplan to the case materials.(12) The investigator or expert performs the necessary research using Agisoft Viewer software (freely distributed, closed source), GIS Sputnik (freely distributed, closed source), QGIS (freely distributed, open source), or any other software that allows measurements to be taken on georeferenced 3D models and orthophoto plans.
