Visualization and GPU-accelerated simulation of medical ultrasound from CT images

Authors:
Oliver Kutter;Ramtin Shams;Nassir Navab
Affiliations:
Computer Aided Medical Procedures (CAMP), Technische Universität München, Boltzmannstr. 3, 85748 Garching bei München, Germany;Research School of Information Sciences and Engineering (RSISE), The Australian National University, Canberra;Computer Aided Medical Procedures (CAMP), Technische Universität München, Boltzmannstr. 3, 85748 Garching bei München, Germany
Venue:
Computer Methods and Programs in Biomedicine
Year:
2009

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Abstract

We present a fast GPU-based method for simulation of ultrasound images from volumetric CT scans and their visualization. The method uses a ray-based model of the ultrasound to generate view-dependent ultrasonic effects such as occlusions, large-scale reflections and attenuation combined with speckle patterns derived from pre-processing the CT image using a wave-based model of ultrasound propagation in soft tissue. The main applications of the method are ultrasound training and registration of ultrasound and CT images.