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17 June 2013 Direct three-dimensional ultrasound-to-video registration using photoacoustic markers
Alexis Cheng, Jin U. Kang, Russell H. Taylor, Emad M. Boctor
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Journal of Biomedical Optics, Vol. 18, Issue 6, 066013 (June 2013). https://doi.org/10.1117/1.JBO.18.6.066013
Abstract
Modern surgical procedures often have a fusion of video and other imaging modalities to provide the surgeon with information support. This requires interventional guidance equipment and surgical navigation systems to register different tools and devices together, such as stereoscopic endoscopes and ultrasound (US) transducers. In this work, the focus is specifically on the registration between these two devices. Electromagnetic and optical trackers are typically used to acquire this registration, but they have various drawbacks typically leading to target registration errors (TRE) of approximately 3 mm. We introduce photoacoustic markers for direct three-dimensional (3-D) US-to-video registration. The feasibility of this method was demonstrated on synthetic and ex vivo porcine liver, kidney, and fat phantoms with an air-coupled laser and a motorized 3-D US probe. The resulting TRE for each experiment ranged from 380 to 850 μm with standard deviations ranging from 150 to 450 μm. We also discuss a roadmap to bring this system into the surgical setting and possible challenges along the way.
© The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Alexis Cheng, Jin U. Kang, Russell H. Taylor, and Emad M. Boctor "Direct three-dimensional ultrasound-to-video registration using photoacoustic markers," Journal of Biomedical Optics 18(6), 066013 (17 June 2013). https://doi.org/10.1117/1.JBO.18.6.066013
Published: 17 June 2013
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Cited by 19 scholarly publications and 2 patents.
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KEYWORDS
Transducers
Image registration
Image segmentation
Cameras
Liver
Calibration
Kidney
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