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Accuracy of Three-Dimensional Photogrammetry as Established by Controlled Field Tests
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English
Abstract
Photogrammetry is the science of obtaining spatial information from photographs given a set of key reference points. Vehicular accident reconstruction frequently requires using the photogrammetric process to obtain dimensions of such items as skid mark length, vehicle rest positions, or depth of vehicle crush. This paper briefly describes the generalized three-dimensional photogrammetric process. Findings are then presented which show the accuracy of this process when applied to simulated reconstruction situations involving skid marks and vehicle crush. Specifically, three sets of photographs of simulated skid marks and one of vehicle crush were analyzed photogrammetrically. The results were then compared to a blind set of survey data which was revealed only after the photogrammetry calculations had been completed. The comparison between the survey data and photogrammetry calculations are presented in graphical form.
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Authors
Citation
Pepe, M., Sobek, J., and Zimmerman, D., "Accuracy of Three-Dimensional Photogrammetry as Established by Controlled Field Tests," SAE Technical Paper 930662, 1993, https://doi.org/10.4271/930662.Also In
References
- Moffitt Francis H. Mikhail Edward M. Photogrammetry Third Harper & Row 1980
- Pepe Michael D. Sobek James S. Gary Huett Three Dimensional Photogrammetry and its Application to Accident Reconstruction SAE 890739
- Slama Chester C. Manual of Photogrammetry 4th American Society of Photogrammetry 1980