IR@PKUHSC  > 北京大学口腔医学院  > 牙周科
学科主题口腔医学
Automated 2-D cephalometric analysis on X-ray images by a model-based approach
Yue, Weining; Yin, Dali; Li, Chengjun; Wang, Guoping; Xu, Tianmin
关键词ASM cephalometry edge detection landmarks pattern matching PCA structure tracing superimposition
刊名IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING
2006-08-01
DOI10.1109/TBME.2006.876638
53期:8页:1615-1623
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Engineering, Biomedical
研究领域[WOS]Engineering
关键词[WOS]ACTIVE SHAPE MODELS ; CRANIOFACIAL LANDMARKS ; CEPHALOGRAMS ; IDENTIFICATION ; SYSTEM
英文摘要

Craniofacial landmark localization and anatomical structure tracing on cephalograms are two important ways to obtain the cephalometric analysis. In order to-computerize them in parallel, a model-based approach is proposed to locate 262 craniofacial feature points, including 90 landmarks and 172 auxiliary points. In model training, 12 landmarks are selected as reference points and used to divide every training shape to 10 regions according to the anatomical knowledge; principle components analysis is employed to characterize the region shape variations and the statistical grey profile of every feature point. Locating feature points on an input image is a two-stage procedure. First, we. identify the reference landmarks by image processing and pattern matching techniques, so that the shape partition is performed on the input image. Then, for each region, its feature points are located by a modified active shape model. All craniofacial anatomical structures can be traced out by connecting the located points with subdivision curves according to the prior knowledge. Users are permitted to modify the results interactively in many different ways. Experimental results show the advantage and reliability of the proposed method.

语种英语
WOS记录号WOS:000239263400017
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/61321
专题北京大学口腔医学院_牙周科
作者单位1.Peking Univ, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China
2.Peking Univ, Sch Stomatol, Dept Orthodont, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Yue, Weining,Yin, Dali,Li, Chengjun,et al. Automated 2-D cephalometric analysis on X-ray images by a model-based approach[J]. IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING,2006,53(8):1615-1623.
APA Yue, Weining,Yin, Dali,Li, Chengjun,Wang, Guoping,&Xu, Tianmin.(2006).Automated 2-D cephalometric analysis on X-ray images by a model-based approach.IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING,53(8),1615-1623.
MLA Yue, Weining,et al."Automated 2-D cephalometric analysis on X-ray images by a model-based approach".IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING 53.8(2006):1615-1623.
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