3D imaging in forensic odontology

Evans, Samuel, Jones, Carl and Plassmann, Peter 2010. 3D imaging in forensic odontology. Journal of Visual Communication in Medicine 33 (2) , pp. 63-68. 10.3109/17453054.2010.481780

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Abstract

This paper describes the investigation of a new 3D capture method for acquiring and subsequent forensic analysis of bite mark injuries on human skin. When documenting bite marks with standard 2D cameras errors in photographic technique can occur if best practice is not followed. Subsequent forensic analysis of the mark is problematic when a 3D structure is recorded into a 2D space. Although strict guidelines (BAFO) exist, these are time‐consuming to follow and, due to their complexity, may produce errors. A 3D image capture and processing system might avoid the problems resulting from the 2D reduction process, simplifying the guidelines and reducing errors. Proposed Solution: a series of experiments are described in this paper to demonstrate that the potential of a 3D system might produce suitable results. The experiments tested precision and accuracy of the traditional 2D and 3D methods. A 3D image capture device minimises the amount of angular distortion, therefore such a system has the potential to create more robust forensic evidence for use in courts. A first set of experiments tested and demonstrated which method of forensic analysis creates the least amount of intra‐operator error. A second set tested and demonstrated which method of image capture creates the least amount of inter‐operator error and visual distortion. In a third set the effects of angular distortion on 2D and 3D methods of image capture were evaluated.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Dentistry
Subjects:	R Medicine > RK Dentistry T Technology > TR Photography
Publisher:	Informa Healthcare
ISSN:	1745-3054
Last Modified:	04 Aug 2021 08:30
URI:	https://orca.cardiff.ac.uk/id/eprint/41253

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