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Content-based retrieval of video segments from minimally invasive surgery videos using deep convolutional video descriptors and iterative query refinement
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Paper Abstract

Despite a strong evidence of the clinical and economic benefits of minimally invasive surgery (MIS) for many common surgical procedures, there is a gross underutilization of MIS in many US hospitals, potentially due to its steep learning curve. Intraoperative videos captured using a camera inserted into the body during MIS procedures are emerging as an invaluable resource for MIS education, skill assessment and quality assurance. However, these videos often have a duration of several hours and there is a pressing need for automated tools to help surgeons quickly find key semantic segments of interest within MIS videos. In this paper, we present a novel integrated approach for facilitating content-based retrieval of video segments that are semantically similar to a query video within a large collection of MIS videos. We use state-of-theart deep 3D convolutional neural network (CNN) models pre-trained on large public video classification datasets to extract spatiotemporal features from MIS video segments and employ an iterative query refinement (IQR) strategy where in a support vector machine (SVM) classifier trained online based on relevance feedback from the user is used to refine the search results iteratively. We show that our method outperforms the state-of-the-art on the SurgicalActions160 dataset containing 160 video clips of typical surgical actions in gynecologic MIS procedures.

Paper Details

Date Published: 8 March 2019
PDF: 6 pages
Proc. SPIE 10951, Medical Imaging 2019: Image-Guided Procedures, Robotic Interventions, and Modeling, 109512Q (8 March 2019); doi: 10.1117/12.2509985
Show Author Affiliations
Deepak R. Chittajallu, Kitware, Inc. (United States)
Arslan Basharat, Kitware, Inc. (United States)
Paul Tunison, Kitware, Inc. (United States)
Samantha Horvath, Kitware, Inc. (United States)
Katerina O. Wells, Baylor Univ. Medical Ctr. (United States)
Steven G. Leeds, Baylor Univ. Medical Ctr. (United States)
James W. Fleshman, Baylor Univ. Medical Ctr. (United States)
Ganesh Sankaranarayanan, Baylor Univ. Medical Ctr. (United States)
Andinet Enquobahrie, Kitware, Inc. (United States)

Published in SPIE Proceedings Vol. 10951:
Medical Imaging 2019: Image-Guided Procedures, Robotic Interventions, and Modeling
Baowei Fei; Cristian A. Linte, Editor(s)

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