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Article: Recording of natural head position using stereophotogrammetry: A new technique and reliability study

TitleRecording of natural head position using stereophotogrammetry: A new technique and reliability study
Authors
Issue Date2014
PublisherWB Saunders Co. The Journal's web site is located at http://www.elsevier.com/locate/joms
Citation
Journal of Oral and Maxillofacial Surgery, 2014, v. 72 n. 11, p. 2256-2261 How to Cite?
AbstractThe purpose of this study was to develop a technique to record physical references and orient digital mesh models to natural head position (NHP) using stereo-photogrammetry (SP). The first step was to record the digital mesh model of a hanging reference board placed at the capturing position of the SP machine. The board was aligned to the true vertical using a plumb bob. It was also aligned with laser plane parallel to the hanging mirror which was located at the center of the machine. Parameter derived from the digital mesh model of the board was then used to adjust the roll, pitch and yaw of the subsequent captures of subjects. This information was valid until the next machine calibration. The board placement was repeatable with standard deviation of less than 0.1 degrees for both pitch and yaw; 0.15 degrees for roll angles.
Persistent Identifierhttp://hdl.handle.net/10722/197585
ISSN
2015 Impact Factor: 1.631
2015 SCImago Journal Rankings: 0.824

 

DC FieldValueLanguage
dc.contributor.authorHsung, TCen_US
dc.contributor.authorLo, Jen_US
dc.contributor.authorLi, TSen_US
dc.contributor.authorCheung, LKen_US
dc.date.accessioned2014-05-29T08:27:02Z-
dc.date.available2014-05-29T08:27:02Z-
dc.date.issued2014-
dc.identifier.citationJournal of Oral and Maxillofacial Surgery, 2014, v. 72 n. 11, p. 2256-2261en_US
dc.identifier.issn0278-2391-
dc.identifier.urihttp://hdl.handle.net/10722/197585-
dc.description.abstractThe purpose of this study was to develop a technique to record physical references and orient digital mesh models to natural head position (NHP) using stereo-photogrammetry (SP). The first step was to record the digital mesh model of a hanging reference board placed at the capturing position of the SP machine. The board was aligned to the true vertical using a plumb bob. It was also aligned with laser plane parallel to the hanging mirror which was located at the center of the machine. Parameter derived from the digital mesh model of the board was then used to adjust the roll, pitch and yaw of the subsequent captures of subjects. This information was valid until the next machine calibration. The board placement was repeatable with standard deviation of less than 0.1 degrees for both pitch and yaw; 0.15 degrees for roll angles.en_US
dc.languageengen_US
dc.publisherWB Saunders Co. The Journal's web site is located at http://www.elsevier.com/locate/joms-
dc.relation.ispartofJournal of Oral and Maxillofacial Surgeryen_US
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Journal of Oral and Maxillofacial Surgery. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Oral and Maxillofacial Surgery, 2014, v. 72 n. 11, p. 2256-2261. DOI: 10.1016/j.joms.2014.03.025-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleRecording of natural head position using stereophotogrammetry: A new technique and reliability studyen_US
dc.typeArticleen_US
dc.identifier.emailHsung, TC: tchsung@hku.hken_US
dc.identifier.emailLo, J: drjohnlo@hku.hken_US
dc.identifier.emailCheung, LK: lkcheung@hkucc.hku.hken_US
dc.identifier.authorityLo, J=rp00041en_US
dc.identifier.authorityCheung, LK=rp00013en_US
dc.description.naturepostprint-
dc.identifier.doi10.1016/j.joms.2014.03.025en_US
dc.identifier.pmid24856955-
dc.identifier.hkuros228749en_US
dc.identifier.hkuros238320-
dc.identifier.volume72-
dc.identifier.issue11-
dc.identifier.spage2256-
dc.identifier.epage2261-
dc.publisher.placeUnited States-

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