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24 February 2012 Integration of 3D intraoperative ultrasound for enhanced neuronavigation
Keith D. Paulsen, Songbai Ji, Alex Hartov, Xiaoyao Fan, David W. Roberts
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Proceedings Volume 8320, Medical Imaging 2012: Ultrasonic Imaging, Tomography, and Therapy; 83200S (2012) https://doi.org/10.1117/12.915588
Event: SPIE Medical Imaging, 2012, San Diego, California, United States
Abstract
True three-dimensional (3D) volumetric ultrasound (US) acquisitions stand to benefit intraoperative neuronavigation on multiple fronts. While traditional two-dimensional (2D) US and its tracked, hand-swept version have been recognized for many years to advantage significantly image-guided neurosurgery, especially when coregistered with preoperative MR scans, its unregulated and incomplete sampling of the surgical volume of interest have limited certain intraoperative uses of the information that are overcome through direct volume acquisition (i.e., through 2D scan-head transducer arrays). In this paper, we illustrate several of these advantages, including image-based intraoperative registration (and reregistration) and automated, volumetric displacement mapping for intraoperative image updating. These applications of 3D US are enabled by algorithmic advances in US image calibration, and volume rasterization and interpolation for multi-acquisition synthesis that will also be highlighted. We expect to demonstrate that coregistered 3D US is well worth incorporating into the standard neurosurgical navigational environment relative to traditional tracked, hand-swept 2D US.
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Keith D. Paulsen, Songbai Ji, Alex Hartov, Xiaoyao Fan, and David W. Roberts "Integration of 3D intraoperative ultrasound for enhanced neuronavigation", Proc. SPIE 8320, Medical Imaging 2012: Ultrasonic Imaging, Tomography, and Therapy, 83200S (24 February 2012); https://doi.org/10.1117/12.915588
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KEYWORDS
3D image processing
3D acquisition
Image registration
3D modeling
Ultrasonography
Transducers
Data modeling
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