Assessment of Electromagnetic Tracking Accuracy for Endoscopic Ultrasound

Bonmati Coll, E., Hu, Y., Gurusamy, K., Davidson, B., Pereira, S.P., Clarkson, M.J. and Barratt, D.C. 2016. Assessment of Electromagnetic Tracking Accuracy for Endoscopic Ultrasound. Computer-Assisted and Robotic Endoscopy. CARE 2016. Athens, Greece 17 Oct 2016 Springer. https://doi.org/10.1007/978-3-319-54057-3_4

TitleAssessment of Electromagnetic Tracking Accuracy for Endoscopic Ultrasound
AuthorsBonmati Coll, E., Hu, Y., Gurusamy, K., Davidson, B., Pereira, S.P., Clarkson, M.J. and Barratt, D.C.
TypeConference paper
Abstract

Endoscopic ultrasound (EUS) is a minimally-invasive imaging technique that can be technically difficult to perform due to the small field of view and uncertainty in the endoscope position. Electromagnetic (EM) tracking is emerging as an important technology in guiding endoscopic interventions and for training in endotherapy by providing information on endoscope location by fusion with pre-operative images. However, the accuracy of EM tracking could be compromised by the endoscopic ultrasound transducer. In this work, we quantify the precision and accuracy of EM tracking sensors inserted into the working channel of a flexible endoscope, with the ultrasound transducer turned on and off. The EUS device was found to have little (no significant) effect on static tracking accuracy although jitter increased significantly. A significant change in the measured distance between sensors arranged in a fixed geometry was found during a dynamic acquisition. In conclusion, EM tracking accuracy was not found to be significantly affected by the flexible endoscope.

Year2016
ConferenceComputer-Assisted and Robotic Endoscopy. CARE 2016
PublisherSpringer
Publication dates
Published online22 Feb 2017
Published2016
JournalLecture Notes in Computer Science
Journal citation10170
ISSN0302-9743
ISBN9783319540566
9783319540573
Digital Object Identifier (DOI)https://doi.org/10.1007/978-3-319-54057-3_4

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