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Use of hand-held laser scanning in the assessment of craniometry

Cited 37 time in Web of Science Cited 41 time in Scopus
Authors
Park, Hee-Kyung; Chung, Jin-Woo; Kho, Hong-Seop
Issue Date
2006-07
Publisher
Elsevier
Citation
Forensic Science International 160 (2006) 200-206
Keywords
3D laser scanningCraniometrySkullForensic
Abstract
The intra- and inter-examiner reliability was evaluated for hand-held 3D laser scanning technology when it was combined with localization of landmarks for craniometry. The data from the laser surface scanning were compared with those of conventional direct measuring. Using thirty unidentified skulls requested for individual identification, measurements were taken of the line distances from lambda to 26 landmarks, and also for seven breadth parameters. For the laser surface scanning, two examiners performed replicate measurements with an interval of 1 week. In the conventional direct measuring, the first examiner took replicate measurements with a 1-week interval. To assess intra- and inter-examiner reliabilities, the intraclass correlation coefficient was used. Analysis of variance with repeated measures for each parameter was performed to compare the conventional method with the 3D scanning method. Both the 3D scanning and conventional methods showed excellent intra-examiner reliabilities, and the 3D laser scanning method also showed excellent inter-examiner reliability. A statistical difference between the two examiners was found only in nasal breadth in the 3D laser scanning method. There was no significant difference between the two measuring methods, though the 3D laser scanning method tended to give a slightly lower reading. Collectively, the 3D laser scanning method with point localization is a useful method with excellent reliability, and it can replace the conventional direct measuring method in craniometry.
ISSN
0379-0738
Language
English
URI
http://hdl.handle.net/10371/69677
DOI
https://doi.org/10.1016/j.forsciint.2005.10.007
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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