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Abstract #2053

On the concept of long-range short-wave motion tracking

Christoph Michael Schildknecht1 and Klaas Paul Prüssmann1
1Institute for Biomedical Engineering, ETH Zurich and University of Zurich, Z├╝rich, Switzerland

Synopsis

Current motion tracking modalities operate either in frequency bands that are also occupied by the MRI scanner or interact heavily with the environment. As an alternative, the frequency band of 1-5 MHz can be utilized for motion tracking and has been demonstrated to deliver high performance. Due to the limited sensitivity at a great distance of current broadband systems, we show in this work how short-wave motion tracking can be done at long ranges, enabling independent and robust motion tracking with fewer geometric constraints and greater ease of use.

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