Direct co-calibration of endobronchial ultrasound and video

Authors:
Philipp Dressel;Marco Feuerstein;Tobias Reichl;Takayuki Kitasaka;Nassir Navab;Kensaku Mori
Affiliations:
Technische Universität München;Technische Universität München and Nagoya University;Technische Universität München;Nagoya University and Aichi Institute of Technology;Technische Universität München;Nagoya University
Venue:
MIAR'10 Proceedings of the 5th international conference on Medical imaging and augmented reality
Year:
2010

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Abstract

This paper for the first time presents a fast and practical approach for the co-calibration of endobronchial ultrasound (EBUS) and video images from a single image pair. At comparable accuracy, it achieves a significantly higher precision than a reference method based on combining electromagnetic tracking with two standard calibration techniques (hand-eye and single-wall calibration). Its resulting calibration matrix can be utilized in navigated bronchoscopy to allow easier EBUS manipulation and positioning.