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Abstract #0066

Wireless motion tracking with short-wave radiofrequency

Christoph Michael Schildknecht1, David Otto Brunner1, Thomas Schmid1, Jonas Reber1, Josip Marjanovic1, and Klaas P. Pruessmann1

1Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland

For robust and high-quality brain imaging rigid body motion correction plays an increasingly important role.

We propose a wireless motion tracking method based on short-wave RF signal transmission that does not require a direct line of sight and can penetrate tissue and plastics between detector and marker providing a unprecedented degree of freedom in marker placement and fixation. Single digit micrometer precision during an EPI sequence could be demonstrated even at high tracking bandwidth of 100 Hz with minimal latency and operating independently from the scanner.

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