期刊
COMPUTERIZED MEDICAL IMAGING AND GRAPHICS
卷 38, 期 7, 页码 580-585出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compmedimag.2014.05.007
关键词
Calibration; Stereoscopy; Radiography; Vertebra localisation; Statistical modelling; 3D Reconstruction
This paper presents a new method for modelling the spines of subjects and making accurate 3D measurements using standard radiologic systems without requiring calibration objects. The method makes use of the focal distance and statistical models for estimating the geometrical parameters of the system. A dataset of 32 subjects was used to assess this method. The results show small errors for the main clinical indices, such as an RMS error of 0.49 degrees for the Cobb angle, 0.50 degrees for kyphosis, 0.38 degrees for lordosis, and 2.62 mm for the spinal length. This method is the first to achieve this level of accuracy without requiring the use of calibration objects when acquiring radiographs. We conclude that the proposed method allows for the evaluation of scoliosis with a much simpler setup than currently available methods. (C) 2014 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据