In this study, we focus on the problem of localizing an implant or a capsule device in the human body by a mobile sensor unit using distance measurements. As a particular distance measurement technique, time of flight (TOF) based approach involving ultra wide-band signals is used, noting the important effects of the medium characteristics for different organs and tissue. We propose a least-squares based adaptive algorithm with forgetting factor to estimate the 3-D location of an implant in the human body. After discussing convergence properties of the proposed localization algorithm, we perform simulations to analyze the transient characteristics of the proposed algorithm. Different white Gaussian noises are added to emulate the TOF measurement noises and environmental disturbances, and it is observed that the proposed algorithm is robust to such noises/disturbances. The algorithm is successful in keeping the estimation error at a very low admissible level.
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ASME 2013 International Mechanical Engineering Congress and Exposition
November 15–21, 2013
San Diego, California, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-5622-2
PROCEEDINGS PAPER
Implant Localization in Human Body Using Adaptive Least-Squares Based Algorithm
Ahmet Çamlıca,
Ahmet Çamlıca
University of Waterloo, Waterloo, ON, Canada
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Barış Fidan,
Barış Fidan
University of Waterloo, Waterloo, ON, Canada
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Mustafa Yavuz
Mustafa Yavuz
University of Waterloo, Waterloo, ON, Canada
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Ahmet Çamlıca
University of Waterloo, Waterloo, ON, Canada
Barış Fidan
University of Waterloo, Waterloo, ON, Canada
Mustafa Yavuz
University of Waterloo, Waterloo, ON, Canada
Paper No:
IMECE2013-66039, V03BT03A015; 9 pages
Published Online:
April 2, 2014
Citation
Çamlıca, A, Fidan, B, & Yavuz, M. "Implant Localization in Human Body Using Adaptive Least-Squares Based Algorithm." Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition. Volume 3B: Biomedical and Biotechnology Engineering. San Diego, California, USA. November 15–21, 2013. V03BT03A015. ASME. https://doi.org/10.1115/IMECE2013-66039
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