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Reference TypeConference Paper (Conference Proceedings)
Last Update2012: administrator
Metadata Last Update2013: administrator
Citation KeyCampos:1993:AnFaPr
TitleAnalysis of facial profiles
FormatImpresso, On-line.
Access Date2021, Mar. 07
Number of Files1
Size1052 KiB
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AuthorCampos, João Carlos
AffiliationDepartment of Medical Physics and Bioengineering of University College London
EditorFigueiredo, Luiz Henrique de
Gomes, Jonas de Miranda
Conference NameSimpósio Brasileiro de Computação Gráfica e Processamento de Imagens, 6 (SIBGRAPI)
Conference LocationRecife
Date19 - 22 out. 1993
PublisherSociedade Brasileira de Computação
Publisher CityPorto Alegre
Book TitleAnais
Tertiary TypeComunicação Técnica
History2012-12-20 16:51:32 :: -> administrator ::
2013-01-03 01:26:38 :: administrator -> :: 1993
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Is the master or a copy?is the master
Content Stagecompleted
Keywordsmethod of segmentation, method of description, method of classification, facial profiles.
AbstractThis work presents some preliminary results of the project Analysis of Facial Profiles. The aim is to establish a method of segmentation, description and classification of human facial profiles. Special emphasis is given to the analysis of changes in shape and the use of curvature variation along the profile. Mathematical techniques for quantitatively describing the changes produced by surgery have been developed, including methods of automatic profile segmentation and curvature analysis using scale space techniques. A medical graphics workstation is used for data analysis, which generates a three-dimensional model of the facial surface from data of CT, MRI scanners or from a custom built laser scanner, allowing the definition and extraction of a number of arbitrary sections (sets of x-y coordinate points). Mid-line facial profiles representing the pre and post-treatment states of a patient following surgery to the middle third of the face is used to illustrate some of the methods.
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