A hardware and software protocol for the evaluation of electromagnetic tracker accuracy in the clinical environment: a multi-center study

机译：用于在临床环境中评估电磁跟踪器准确性的硬件和软件协议：多中心研究

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This paper proposes an assessment protocol that incorporates both hardware and analysis methods for evaluation of electromagnetic tracker accuracy in different clinical environments. The susceptibility of electromagnetic tracker measurement accuracy is both highly dependent on nearby ferromagnetic interference sources and non-isotropic. These inherent limitations combined with the various hardware components and assessment techniques used within different studies makes the direct comparison of measurement accuracy between studies difficult. This paper presents a multi-center study to evaluate electromagnetic devices in different clinical environments using a common hardware phantom and assessment techniques so that results are directly comparable. Measurement accuracy has been shown to be in the range of 0.79-6.67mm within a 180mm3 sub-volume of the Aurora measurement space in five different clinical environments.

机译：本文提出了一种评估协议，该协议结合了硬件和分析方法，用于评估不同临床环境中电磁跟踪器的准确性。电磁跟踪器测量精度的敏感性高度依赖于附近的铁磁干扰源和非各向同性。这些固有的局限性与不同研究中使用的各种硬件组件和评估技术相结合，使得难以直接比较研究之间的测量精度。本文提出了一项多中心研究，以使用通用的硬件模型和评估技术评估不同临床环境中的电磁设备，从而使结果可直接比较。在五个不同的临床环境中，在Aurora测量空间的180mm3子体积中，测量精度已显示在0.79-6.67mm的范围内。

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《Visualization, Image-Guided Procedures pt.2; Progress in Biomedical Optics and Imaging; vol.8 no.28; Proceedings of SPIE-The International Society for Optical Engineering; vol.6509 pt.2》|2007年|65092T.1-65092T.11|共11页
会议地点 San DiegoCA(US)
作者
Emmanuel Wilson; Ziv Yaniv; Hui Zhang; Christopher Nafis; Eric Shen; Guy Shechter; Andrew D. Wiles; Terry Peters; David Lindisch; Kevin Cleary;
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作者单位

Imaging Science and Information Systems (ISIS) Center, Department of Radiology, Georgetown University Medical Center, 2115 Wisconsin Avenue, Washington, DC 20007, USA;

Accuray, 1310 Chesapeake Terrace, Sunnyvale, CA 94089, USA;

GE Research, 1 Research Circl;

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原文格式 PDF
正文语种 eng
中图分类光、激光生物医学;
关键词
electromagnetic tracking; accuracy analysis; evaluation protocol; clinical environment;

机译：电磁跟踪准确性分析；评估协议；临床环境;

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A hardware and software protocol for the evaluation of electromagnetic tracker accuracy in the clinical environment: a multi-center study

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