Illustrated ultrasound for multimodal data interpretation of liver examinations

Authors:
I. Viola;Kim Nylund;Ola Kristoffer Øye;Dag Magne Ulvang;Odd Helge Gilja;Helwig Hauser
Affiliations:
Department of Informatics, University of Bergen, Norway;National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen and Institute of Medicine, University of Bergen, Norway;Christian Michelsen Research, Norway;Christian Michelsen Research, Norway;National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen and Institute of Medicine, University of Bergen, Norway;Department of Informatics, University of Bergen, Norway
Venue:
EG VCBM'08 Proceedings of the First Eurographics conference on Visual Computing for Biomedicine
Year:
2008

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Abstract

Traditional visualization of real-time 2D ultrasound data is difficult to interpret, even for experienced medical personnel. To make the interpretation during the education phase easier, we enhance the visualization during liver examinations with an abstracted depiction of relevant anatomical structures, here denoted as illustrated ultrasound. The specifics of enhancing structures are available through an interactively co-registered computed tomography, which has been enhanced by semantic information. To assist the orientation in the liver, we partition the liver into Couinaud segments. They are defined in a rapid segmentation process based on linked 2D slice views and 3D exploded views. The semantics are interactively related from the co-registered modality to the real-time ultrasound via co-registration. During the illustrated ultrasound examination training we provide visual enhancements that depict which liver segments are intersected by the ultrasound slice.