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26 March 2008 Continuous endoscopic guidance via interleaved video tracking and image-video registration
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Abstract
Endoscopic needle biopsy requires off-line 3D computed-tomography (CT) chest image analysis to plan a biopsy site followed by live endoscopy to perform the biopsy. We present a method for continuous image-based endoscopic guidance that interleaves periodic normalized-mutual-information-based CT-video registration with optical-flow-based endoscopic video motion tracking. The method operates at a near real-time rate and was successfully tested on endoscopic video sequences for phantom and human lung-cancer cases. We also illustrate its use when incorporated into a complete system for image-based planning and guidance of endoscopy.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Lav Rai and William E. Higgins "Continuous endoscopic guidance via interleaved video tracking and image-video registration", Proc. SPIE 6918, Medical Imaging 2008: Visualization, Image-Guided Procedures, and Modeling, 69182R (26 March 2008); https://doi.org/10.1117/12.768702
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