上海交通大学学报（医学版）

上海交通大学学报（医学版）

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基于光学定位跟踪的自由臂三维超声精度标定的研究进展

郭晓杰1， 林艳萍1， 曾祥森2， 王会祥2， 汪方2   

  1. 1.上海交通大学 机械与动力工程学院， 上海 200240； 2.上海交通大学附属第一人民医院骨科， 上海 200080
  • 出版日期:2016-10-28 发布日期:2016-11-29
  • 通讯作者: 林艳萍， 电子信箱： yanping_lin@sjtu.edu.cn。
  • 作者简介:郭晓杰（1990—）， 男， 硕士生； 电子信箱： xiaojieguo@sjtu.edu.cn。
  • 基金资助:

    国家自然科学基金(51205250)

Research progresses of freehand 3D ultrasound calibration based on optical tracking system

GUO Xiao-jie1, LIN Yan-ping1, ZENG Xiang-sen2, WANG Hui-xiang2, WANG Fang2   

  1. 1.School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; 2.Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai 200080, China
  • Online:2016-10-28 Published:2016-11-29
  • Supported by:

    National Natural Science Foundation of China, 51205250

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摘要：

该文总结回顾了基于光学定位跟踪的自由臂三维超声探头标定方法。该文首先介绍了现有标定方法的研究现状，依据其原理的不同分为点模型、线模型、面模型及无校准块方法；其次介绍了求解标定矩阵的两类算法，包括迭代法和闭式法；然后介绍了评价标定精度的两类指标；最后从标定精度、标定时间、可靠性、适用范围、方便性等方面分析了各种标定方法的特点，并探讨了自由臂三维超声探头标定方法存在的问题及发展趋势。

关键词: 自由臂三维超声, 标定, 精度

Abstract:

This paper summarizes and reviews the freehand 3D ultrasound probe calibration techniques based on the optical tracking system. It firstly introduces the current researches on existing calibration methods and divides them into point phantom, line phantom, plane phantom, and method without phantom based on their principles. Then two approaches are introduced for determining the calibration matrix, including the iterative and the closed-form methods. Next two types of indexes for evaluating the precision and accuracy of a calibration transformation are introduced. At last the characteristics of various calibration methods are analyzed from perspectives of precision, accuracy, time, reliability, scope of application, and ease of use. The existing problems and trends of the freehand 3D ultrasound probe calibration are also discussed.

Key words: freehand 3D ultrasound, calibration, precision