基于磁偶极子模型的无线胶囊内窥镜磁定位Cramer-Rao下界

2019 IEEE 30th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC Workshops) Pub Date : 2019-09-01 DOI:10.1109/PIMRCW.2019.8880827

M. Kanaan, Muhammed Cil

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引用次数: 2

摘要

本研究讨论了用于人体胃肠道成像的无线胶囊内镜。磁定位技术被认为是估计胶囊的位置和方向，因为它有可能产生更准确的估计。假设在胶囊周围有一个圆柱形磁铁。采用Cramer-Rao下界方法对该方法的定位精度进行了分析，该下界方法是无偏估计的下界。研究了不同情景下Cramer-Rao下限的变化。

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Cramer-Rao Lower Bounds for Magnetic Localization of a Wireless Capsule Endoscope based on the Magnetic Dipole Model

In this study, wireless capsule endoscopy, which is used for imaging of the human gastrointestinal tract, is discussed. Magnetic localization technique is considered for estimating location and orientation of the capsule, owing to its potential to yield more accurate estimates. It is assumed that a cylindrical magnet wrapped around the capsule is present. The localization accuracy of this method was analyzed by Cramer-Rao lower bound method, which is alower bound on unbiased estimates. Changes in the Cramer-Rao Lower Bound were investigated under different scenarios.

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来源期刊

2019 IEEE 30th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC Workshops)

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