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https://hdl.handle.net/2440/58024
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Type: | Conference paper |
Title: | Toward video-based navigation for endoscopic endonasal skull base surgery |
Author: | Mirota, D. Wang, H. Taylor, R. Ishii, M. Hager, G. |
Citation: | Proceedings of the 12th Medical Image Computing and Computer-assisted Intervention (MICCAI 2009)(Part 1), London, U.K, September 2009 / G. Yang, D. Hawkes, D. Rueckert, A. Noble and C. Taylor (eds.): pp.91-99 |
Publisher: | Springer |
Publisher Place: | Germany |
Issue Date: | 2009 |
ISBN: | 3642042678 9783642042676 |
ISSN: | 0302-9743 1611-3349 |
Conference Name: | MICCAI (12th : 2009 : London, U.K.) |
Statement of Responsibility: | Daniel Mirota, Hanzi Wang, Russell H. Taylor, Masaru Ishii and Gregory D. Hager |
Abstract: | Endoscopic endonasal skull base surgery (ESBS) requires high accuracy to ensure safe navigation of the critical anatomy at the anterior skull base. Current navigation systems provide approximately 2mm accuracy. This level of registration error is due in part from the indirect nature of tracking used. We propose a method to directly track the position of the endoscope using video data. Our method first reconstructs image feature points from video in 3D, and then registers the reconstructed point cloud to pre-operative data (e.g. CT/MRI). After the initial registration, the system tracks image features and maintains the 2D-3D correspondence of image features and 3D locations. These data are then used to update the current camera pose. We present registration results within 1mm, which matches the accuracy of our validation framework. |
Keywords: | Skull Base Nasal Cavity Humans Image Interpretation, Computer-Assisted Imaging, Three-Dimensional Image Enhancement Subtraction Technique Endoscopy Surgery, Computer-Assisted Craniotomy Sensitivity and Specificity Reproducibility of Results Algorithms Video Recording |
Rights: | Copyright Springer-Verlag Berlin Heidelberg 2009 |
DOI: | 10.1007/978-3-642-04268-3_12 |
Published version: | http://dx.doi.org/10.1007/978-3-642-04268-3_12 |
Appears in Collections: | Aurora harvest 5 Computer Science publications |
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