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学科主题: 口腔医学
题名:
Validation of a three-dimensional facial scanning system based on structured light techniques
作者: Ma, Lili; Xu, Tianmin; Lin, Jiuxiang
关键词: Validation ; Facial morphology ; Structured light techniques ; Three-dimensional
刊名: COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE
发表日期: 2009-06-01
DOI: 10.1016/j.cmpb.2009.01.010
卷: 94, 期:3, 页:290-298
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Computer Science, Interdisciplinary Applications ; Computer Science, Theory & Methods ; Engineering, Biomedical ; Medical Informatics
研究领域[WOS]: Computer Science ; Engineering ; Medical Informatics
关键词[WOS]: SOFT-TISSUE ANALYSIS ; LASER SCANNER ; ANTHROPOMETRIC PRECISION ; ORTHOGNATHIC SURGERY ; COMPUTED-TOMOGRAPHY ; IMAGING-SYSTEM ; III PATIENTS ; ACCURACY ; PHOTOGRAMMETRY ; ULTRASOUND
英文摘要:

The aim of this study was to validate a newly developed three-dimensional (3D) structured light scanning system in recording the facial morphology. The validation was performed in three aspects including accuracy, precision and reliability. The accuracy and precision were investigated using a plaster model with 19 marked landmarks. The accuracy was determined by comparing the coordinates from the 3D images and from the coordinates measure machine (CMM). The precision was quantified through the repeated landmarks location on 3D images. The reliability was investigated in 10 adult volunteers. Each was scanned five times in 3 weeks. The 3D images acquired at different times were compared with each other to measure the reliability. We found that the accuracy was 0.93 mm, the precision was 0.79 mm, the reliability was 0.2 mm. These findings suggested that the structured light scanning system was accurate, precise and reliable to record the facial morphology for both clinic and research purposes. (C) 2009 Elsevier Ireland Ltd. All rights reserved.

语种: 英语
所属项目编号: 30672350
项目资助者: National Natural Foundation of China
WOS记录号: WOS:000265718500008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/57511
Appears in Collections:北京大学口腔医学院_牙周科_期刊论文

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作者单位: Peking Univ, Sch & Hosp Stomatol, Dept Orthodont, Beijing 10081, Peoples R China

Recommended Citation:
Ma, Lili,Xu, Tianmin,Lin, Jiuxiang. Validation of a three-dimensional facial scanning system based on structured light techniques[J]. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE,2009,94(3):290-298.
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