Computer aided shot reconstructions by means of individualized animated three-dimensional victim models |
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| Authors: | Subke Jörg Haase Sibylle Wehner Heinz Dieter Wehner Frank |
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| Institution: | 1. Daejeon Institute, National Forensic Service , 1524 Yuseongdaero, Yuseong-gu, Daejeon 34054, Republic of Korea;2. College of Pharmacy, Chungbuk National University, 1 Chungdaero, Seowon-gu, Cheongju, Chungbuk 28356, Republic of Korea;3. Drug & Forensic Toxicology Division, National Forensic Service, 10 Ipchunro, Wonjusi, Gangwondo 26460, Republic of Korea;1. Orthopaedic Research Laboratory, University of Utah Orthopaedic Center, 590 Wakara Way, Suite A100, Salt Lake City, UT 84108, USA;2. Bone and Joint Research Laboratory, George E. Wahlen Department of Veterans Affairs, Medical Center, Salt Lake City, UT 84148, USA;3. Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA;1. Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA;2. Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA;1. ai2-3D Forensics, 271 Jevlan Drive, Unit 14, Vaughan, ON, L4L 8A4, Canada;2. University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, ON, L5L 1C6, Canada |
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| Abstract: | In cases of lethal firearm injuries with indefinite indications concerning self-versus third-party infliction a computer enhanced reconstruction with the aim of an anatomical feasibility study can provide significant clues concerning the course of the traumatic event.To this end an exact three-dimensional geometrical model of the victim including all relevant anatomical data as well as the careful documentation of the injuries and a three-dimensional model of the characteristic outlines of the weapon true to scale is generated with the help of an animation program (POSER Version 4, Meta Creation, Egisys AG).With this animated digital three-dimensional model of the victim and the weapon a series of simulation sequences is created by variation of the body positions and the grasp of the weapon. Anatomically impossible positions in view of the physical characteristics of the victim and the site and direction of the bullet path are automatically excluded from the reconstruction. An exact match of the simulation sequence and the real injuries is a statement for a possible self-infliction of the gunshot wound. |
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