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Forensic Distance Determination from Videograms – Screen Copies

https://doi.org/10.30764/1819-2785-2025-4-99-108

Abstract

   The article discusses the examination of methods for determining distances from video recordings obtained in two ways: by shooting or capturing an image of the screen on which the original videogram is broadcast. A few specific examples are considered illustrating the algorithm for determining distances on such video captures. There are considered the details of each method, possible limitations and errors of determination depending on the quality of the source material and technical characteristics of the equipment used. The expert’s working stages are described including preliminary analysis of the videogram, selection of the most appropriate way to determine the distance and final evaluation of the results obtained.

About the Author

A. A. Godlevskii
Chelyabinsk Laboratory of Forensic Science of the Ministry of Justice of the Russian Federation
Russian Federation

Andrei Anatol’evich Godlevskii, Head of Department

Department for Forensic Linguistic Examination of Video and Audio Recordings

454071; Chelyabinsk



References

1. Vlasov V.O., Vasin P.V. Determination of Time Intervals from Videograms – Screen Copies. Theory and Practice of Foreign Science. 2024. Vol. 19 No. 1. P. 91–101. (In Russ). doi: 10.30764/1819-2785-2024-1-91-101

2. Vlasov O.O., Shavykina S.B., Boyarov A.G., Karpukhina E.S., Sidorova A.K. Procedure for Examining Files Containing Digital Images (16m-01, 21m-02). Moscow: RFCFS, 2023. 92 p. (In Russ ). doi: 10.30764/978-5-91133-266-2-2023

3. Boyarov A.G., Vlasov O.O., Siparov I.S. Methodology for Determining Time Intervals by Video Recordings. Theory and Practice of Forensic Science. 2022. Vol. 17. No. 2. P. 58–69. (In Russ.). doi: 10.30764/1819-2785-2022-2-58-69

4. Petrov S.M., Boyarov A.G., Vlasov O.O., Shavykina S.B., Krivoshchekov S.A. Identifying Video Recordings of Road Accidents, Positions and Movement Parameters of Its Participants. Methodological Recommendations for Experts. 2<sup>nd</sup> ed. Moscow: RFCFS, 2022. 95 p. (In Russ.). doi: 10.30764/978-5-91133-246-4-2022-12


Review

For citations:


Godlevskii A.A. Forensic Distance Determination from Videograms – Screen Copies. Theory and Practice of Forensic Science. 2025;20(4):99-108. (In Russ.) https://doi.org/10.30764/1819-2785-2025-4-99-108

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ISSN 1819-2785 (Print)
ISSN 2587-7275 (Online)