18 March 2015 B-Mode ultrasound pose recovery via surgical fiducial segmentation and tracking
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Ultrasound Doppler imaging may be used to detect blood clots after surgery, a common problem. However, this requires consistent probe positioning over multiple time instances and therefore significant sonographic expertise. Analysis of ultrasound B-mode images of a fiducial implanted at the surgical site offers a landmark to guide a user to the same location repeatedly. We demonstrate that such an implanted fiducial may be successfully detected and tracked to calculate pose and guide a clinician consistently to the site of surgery, potentially reducing the ultrasound experience required for point of care monitoring.
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Alessandro Asoni, Michael Ketcha, Nathanael Kuo, Lei Chen, Emad Boctor, Devin Coon, Jerry L. Prince, "B-Mode ultrasound pose recovery via surgical fiducial segmentation and tracking", Proc. SPIE 9415, Medical Imaging 2015: Image-Guided Procedures, Robotic Interventions, and Modeling, 94152C (18 March 2015); doi: 10.1117/12.2082423; https://doi.org/10.1117/12.2082423

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