18 March 2016 A fully automatic image-to-world registration method for image-guided procedure with intraoperative imaging updates
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Abstract
Image-guided procedure with intraoperative imaging updates has made a big impact on minimally invasive surgery. Compact and mobile CT imaging device combining with current commercial available image guided navigation system is a legitimate and cost-efficient solution for a typical operating room setup. However, the process of manual fiducial-based registration between image and physical spaces (image-to-world) is troublesome for surgeons during the procedure, which results in much procedure interruptions and is the main source of registration errors. In this study, we developed a novel method to eliminate the manual registration process. Instead of using probe to manually localize the fiducials during the surgery, a tracking plate with known fiducial positions relative to the reference coordinates is designed and fabricated through 3D printing technique. The workflow and feasibility of this method has been studied through a phantom experiment.
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Senhu Li, Senhu Li, David Sarment, David Sarment, } "A fully automatic image-to-world registration method for image-guided procedure with intraoperative imaging updates", Proc. SPIE 9786, Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling, 97862B (18 March 2016); doi: 10.1117/12.2216758; https://doi.org/10.1117/12.2216758
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