12 March 2014 Motion magnification for endoscopic surgery
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Abstract
Endoscopic and laparoscopic surgeries are used for many minimally invasive procedures but limit the visual and haptic feedback available to the surgeon. This can make vessel sparing procedures particularly challenging to perform. Previous approaches have focused on hardware intensive intraoperative imaging or augmented reality systems that are difficult to integrate into the operating room. This paper presents a simple approach in which motion is visually enhanced in the endoscopic video to reveal pulsating arteries. This is accomplished by amplifying subtle, periodic changes in intensity coinciding with the patient’s pulse. This method is then applied to two procedures to illustrate its potential. The first, endoscopic third ventriculostomy, is a neurosurgical procedure where the floor of the third ventricle must be fenestrated without injury to the basilar artery. The second, nerve-sparing robotic prostatectomy, involves removing the prostate while limiting damage to the neurovascular bundles. In both procedures, motion magnification can enhance subtle pulsation in these structures to aid in identifying and avoiding them.
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A. Jonathan McLeod, A. Jonathan McLeod, John S. H. Baxter, John S. H. Baxter, Sandrine de Ribaupierre, Sandrine de Ribaupierre, Terry M. Peters, Terry M. Peters, } "Motion magnification for endoscopic surgery", Proc. SPIE 9036, Medical Imaging 2014: Image-Guided Procedures, Robotic Interventions, and Modeling, 90360C (12 March 2014); doi: 10.1117/12.2043997; https://doi.org/10.1117/12.2043997
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