Flexible GPU-based multi-volume ray-casting

R. Brecheisen, A. Vilanova, B. Platel, B.M. Haar Romenij, ter

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Using combinations of different volumetric datasets is becoming more common in scientific applications, especially medical environments such as neurosurgery where multiple imaging modalities are required to provide insight to both anatomical and functional structures in the brain. Such data sets are usually in different orientations and have different resolutions. Furthermore, it is often interesting, e.g. for surgical planning or intraoperative applications to add the visualization of foreign objects (e.g., surgical tools, reference grids, 3D measurement widgets). We propose a flexible framework based on GPU-accelerated ray-casting and depth peeling, that allows volume rendering of multiple, arbitrarily positioned volumes intersected with opaque or translucent geometric objects. These objects can also be used as convex or concave clipping shapes. We consider the main contribution of our work to be the flexible combination of the above-mentioned features in a single framework. As such, it can serve as a basis for neurosurgery applications but also for other fields where multi-volume rendering is important.
Original languageEnglish
Title of host publicationVision, Modelling and Visualization 2008 (VMV 2008) : proceedings of the 13th International Fall Workshop, October 8 - 10, 2008, Konstanz, Germany
EditorsO. Deussen, D. Keim, D. Saupe
Place of PublicationHeidelberg
PublisherAkad. Verl.-Ges. AKA
ISBN (Print)978-3-89838-609-8
Publication statusPublished - 2008
Event13th International Workshop on Vision, Modeling, and Visualization (VMV 2008), October 8-10, 2008, Konstanz, Germany - Konstanz, Germany
Duration: 8 Oct 200810 Oct 2008


Workshop13th International Workshop on Vision, Modeling, and Visualization (VMV 2008), October 8-10, 2008, Konstanz, Germany
Abbreviated titleVMV 2008


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