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Article: Validation and reproducibility of a high-resolution three-dimensional facial imaging system

TitleValidation and reproducibility of a high-resolution three-dimensional facial imaging system
Authors
Issue Date2008
PublisherChurchill Livingstone. The Journal's web site is located at http://www.elsevier.com/locate/bjom
Citation
British Journal Of Oral And Maxillofacial Surgery, 2008, v. 46 n. 1, p. 27-32 How to Cite?
AbstractObjective: To assess the accuracy and reproducibility of a high-resolution three-dimensional imaging system (Di3D). Design: The three-dimensional imaging system was validated in vitro using 12 adult facial plaster casts, which had landmarks marked, and the positions of the landmarks on the three-dimensional images captured by Di3D were compared with those obtained by a coordinate measuring machine (CMM). Methods: Operator error was measured by repeatedly locating landmarks on the three-dimensional image. Reproducibility error of the images was calculated by capturing three-dimensional images of the facial casts on two separate occasions; the Euclidean distance between the two matched sets of coordinates was then calculated. The Di3D system error was assessed by calculating the three-dimensional global positions of landmarks on the three-dimensional images and comparing them with those obtained by CMM (gold standard). Results: The operator error in placement of landmarks on the three-dimensional model was 0.07 mm, range 0.02-0.11 mm. The reproducibility of the Di3D capture was 0.13 mm, range 0.11-0.14 mm. The mean distance between the CMM and Di3D landmarks, which constitutes the Di3D system error, was an average of 0.21 mm, range 0.14-0.32 mm. Conclusions: The Di3D system error was within 0.2 mm, which is clinically acceptable, and offers considerable improvement in stereophotogrammetry for facial capture and analysis. © 2007 The British Association of Oral and Maxillofacial Surgeons.
Persistent Identifierhttp://hdl.handle.net/10722/174214
ISSN
2015 Impact Factor: 1.237
2015 SCImago Journal Rankings: 0.887
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorKhambay, Ben_US
dc.contributor.authorNairn, Nen_US
dc.contributor.authorBell, Aen_US
dc.contributor.authorMiller, Jen_US
dc.contributor.authorBowman, Aen_US
dc.contributor.authorAyoub, AFen_US
dc.date.accessioned2012-11-22T01:58:37Z-
dc.date.available2012-11-22T01:58:37Z-
dc.date.issued2008en_US
dc.identifier.citationBritish Journal Of Oral And Maxillofacial Surgery, 2008, v. 46 n. 1, p. 27-32en_US
dc.identifier.issn0266-4356en_US
dc.identifier.urihttp://hdl.handle.net/10722/174214-
dc.description.abstractObjective: To assess the accuracy and reproducibility of a high-resolution three-dimensional imaging system (Di3D). Design: The three-dimensional imaging system was validated in vitro using 12 adult facial plaster casts, which had landmarks marked, and the positions of the landmarks on the three-dimensional images captured by Di3D were compared with those obtained by a coordinate measuring machine (CMM). Methods: Operator error was measured by repeatedly locating landmarks on the three-dimensional image. Reproducibility error of the images was calculated by capturing three-dimensional images of the facial casts on two separate occasions; the Euclidean distance between the two matched sets of coordinates was then calculated. The Di3D system error was assessed by calculating the three-dimensional global positions of landmarks on the three-dimensional images and comparing them with those obtained by CMM (gold standard). Results: The operator error in placement of landmarks on the three-dimensional model was 0.07 mm, range 0.02-0.11 mm. The reproducibility of the Di3D capture was 0.13 mm, range 0.11-0.14 mm. The mean distance between the CMM and Di3D landmarks, which constitutes the Di3D system error, was an average of 0.21 mm, range 0.14-0.32 mm. Conclusions: The Di3D system error was within 0.2 mm, which is clinically acceptable, and offers considerable improvement in stereophotogrammetry for facial capture and analysis. © 2007 The British Association of Oral and Maxillofacial Surgeons.en_US
dc.languageengen_US
dc.publisherChurchill Livingstone. The Journal's web site is located at http://www.elsevier.com/locate/bjomen_US
dc.relation.ispartofBritish Journal of Oral and Maxillofacial Surgeryen_US
dc.subject.meshAdulten_US
dc.subject.meshAnalog-Digital Conversionen_US
dc.subject.meshCephalometry - Methodsen_US
dc.subject.meshFace - Anatomy & Histologyen_US
dc.subject.meshFemaleen_US
dc.subject.meshHumansen_US
dc.subject.meshImage Processing, Computer-Assisteden_US
dc.subject.meshImaging, Three-Dimensional - Methods - Standardsen_US
dc.subject.meshMaleen_US
dc.subject.meshPhotogrammetry - Methodsen_US
dc.subject.meshReproducibility Of Resultsen_US
dc.subject.meshSoftware Validationen_US
dc.titleValidation and reproducibility of a high-resolution three-dimensional facial imaging systemen_US
dc.typeArticleen_US
dc.identifier.emailKhambay, B: bkhambay@hku.hken_US
dc.identifier.authorityKhambay, B=rp01691en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.bjoms.2007.04.017en_US
dc.identifier.pmid17561318-
dc.identifier.scopuseid_2-s2.0-37249058271en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-37249058271&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume46en_US
dc.identifier.issue1en_US
dc.identifier.spage27en_US
dc.identifier.epage32en_US
dc.identifier.isiWOS:000253016800006-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridKhambay, B=7003979053en_US
dc.identifier.scopusauthoridNairn, N=23091238000en_US
dc.identifier.scopusauthoridBell, A=17342029300en_US
dc.identifier.scopusauthoridMiller, J=35547207900en_US
dc.identifier.scopusauthoridBowman, A=7102427278en_US
dc.identifier.scopusauthoridAyoub, AF=7005361507en_US

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