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Characterization of the facial phenotype associated with fetal alcohol syndrome using stereo-photogrammetry and geometric morphometrics
Includes abstract.
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| Main Author: | |
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| Other Authors: | |
| Format: | Thesis |
| Language: | English |
| Published: |
Division of Biomedical Engineering
2015
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| _version_ | 1867613195334582272 |
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| access_status_str | Open Access |
| author | Mutsvangwa, Tinashe E M |
| author2 | Douglas, Tania S |
| author_browse | Douglas, Tania S Mutsvangwa, Tinashe E M |
| author_facet | Douglas, Tania S Mutsvangwa, Tinashe E M |
| author_sort | Mutsvangwa, Tinashe E M |
| collection | Thesis |
| description | Includes abstract. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/12131 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:32:17.361Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2015 |
| publishDateRange | 2015 |
| publishDateSort | 2015 |
| publisher | Division of Biomedical Engineering |
| publisherStr | Division of Biomedical Engineering |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/12131 Characterization of the facial phenotype associated with fetal alcohol syndrome using stereo-photogrammetry and geometric morphometrics Mutsvangwa, Tinashe E M Douglas, Tania S Meintjes, Ernesta Biomedical Engineering Includes abstract. Includes bibliographical references (leaves 108-118). Fetal Alcohol Syndrome (FAS) is a clinical condition caused by excessive pre-natal alcohol exposure and is regarded as a leading identifiable and preventable cause of mental retardation in the Western world. The highest prevalence of FAS was reported in the wine-growing regions of South Africa but data for the rest of the country is not available. Required, therefore, are large-scale screening and surveillance programmes to be conducted in South Africa in order for the epidemiology of the disease to be understood. Efforts to this end have been stymied by the cost and labour-intensive nature of collecting the facial anthropometric data useful in FAS diagnosis. Stereo-photogrammetry provides a low cost, easy to use and non-invasive alternative to traditional facial anthropometry. The design and implementation of a landmark-based stereo-photogrammetry system to obtain 3D facial information for fetal alcohol syndrome diagnosis (FAS) is described. The system consists of three high resolution digital cameras resting on a purpose-built stand and a control frame which surrounds the subject's head during imaging. Reliability and assessments of accuracy for the stereo-photogrammetric tool are presented using 275 inter-landmark distance comparisons between the system and direct anthropometry using a doll. These showed the system to be highly reliable and precise. 2015-01-13T04:02:00Z 2015-01-13T04:02:00Z 2009 Doctoral Thesis Doctoral PhD http://hdl.handle.net/11427/12131 eng application/pdf Division of Biomedical Engineering Faculty of Health Sciences University of Cape Town |
| spellingShingle | Biomedical Engineering Mutsvangwa, Tinashe E M Characterization of the facial phenotype associated with fetal alcohol syndrome using stereo-photogrammetry and geometric morphometrics |
| thesis_degree_str | Doctoral |
| title | Characterization of the facial phenotype associated with fetal alcohol syndrome using stereo-photogrammetry and geometric morphometrics |
| title_full | Characterization of the facial phenotype associated with fetal alcohol syndrome using stereo-photogrammetry and geometric morphometrics |
| title_fullStr | Characterization of the facial phenotype associated with fetal alcohol syndrome using stereo-photogrammetry and geometric morphometrics |
| title_full_unstemmed | Characterization of the facial phenotype associated with fetal alcohol syndrome using stereo-photogrammetry and geometric morphometrics |
| title_short | Characterization of the facial phenotype associated with fetal alcohol syndrome using stereo-photogrammetry and geometric morphometrics |
| title_sort | characterization of the facial phenotype associated with fetal alcohol syndrome using stereo photogrammetry and geometric morphometrics |
| topic | Biomedical Engineering |
| url | http://hdl.handle.net/11427/12131 |
| work_keys_str_mv | AT mutsvangwatinasheem characterizationofthefacialphenotypeassociatedwithfetalalcoholsyndromeusingstereophotogrammetryandgeometricmorphometrics |