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16 February 2012 Automated volume of interest delineation and rendering of cone beam CT images in interventional cardiology
Cristian Lorenz; Dirk Schäfer; Peter Eshuis; John Carroll; Michael Grass
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Proceedings Volume 8316, Medical Imaging 2012: Image-Guided Procedures, Robotic Interventions, and Modeling; 831606 (2012) https://doi.org/10.1117/12.910962
Event: SPIE Medical Imaging, 2012, San Diego, California, United States
Abstract
Interventional C-arm systems allow the efficient acquisition of 3D cone beam CT images. They can be used for intervention planning, navigation, and outcome assessment. We present a fast and completely automated volume of interest (VOI) delineation for cardiac interventions, covering the whole visceral cavity including mediastinum and lungs but leaving out rib-cage and spine. The problem is addressed in a model based approach. The procedure has been evaluated on 22 patient cases and achieves an average surface error below 2mm. The method is able to cope with varying image intensities, varying truncations due to the limited reconstruction volume, and partially with heavy metal and motion artifacts.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Cristian Lorenz, Dirk Schäfer, Peter Eshuis, John Carroll, and Michael Grass "Automated volume of interest delineation and rendering of cone beam CT images in interventional cardiology", Proc. SPIE 8316, Medical Imaging 2012: Image-Guided Procedures, Robotic Interventions, and Modeling, 831606 (16 February 2012); https://doi.org/10.1117/12.910962
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