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| Research article summary (published 29 Jun 2002): |
Combining biometric and symbolic models for customized, automated prosthesis design.
Full Abstract
In a previous paper [Artif. Intell. Med. 5 (1993) 431] we described RaPiD, a knowledge-based system for designing dental prostheses. The present paper discusses how RaPiD has been extended using techniques from computer vision and logic grammars. The first employs point distribution and active shape models (ASMs) to determine dentition from images of casts of patient's jaws. This enables a design to be customized to, and visualised against, an image of a patient's dentition. The second is based on the notion of a path grammar, a form of logic grammar, to generate a path linking an ordered sequence of subcomponents. The shape of an important and complex prosthesis component can be automatically seeded in this fashion. Combining these models now substantially automates the design process, beginning with a photograph of a dental cast and ending with an annotated and validated design diagram ready to guide manufacture.
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Author information
Author/s: Modgil, S (S); Hutton, T J (TJ); Hammond, P (P); Davenport, J C (JC);
Affiliation: Department of Biomedical Informatics, Eastman Dental Institute for Oral Health Care Sciences, University College London, 256 Gray's Inn Road, London WC1X 8LD, UK. s.modgil(-atsign-)eastman.ucl.ac.uk
Journal and publication information
Publication Type: Journal Article
Journal: Artificial intelligence in medicine (Artif Intell Med), published in Netherlands. (Language: eng)
Reference: 2002-Jul; vol 25 (issue 3) : pp 227-45
Dates: Created 2002/06/18; Completed 2002/07/23; Revised 2004/11/17;
PMID: 12069761, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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