Volume 30 (2011)

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Browsing Volume 30 (2011) by Subject "and texture"

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    Depth of Field Effects for Interactive Direct Volume Rendering
    (The Eurographics Association and Blackwell Publishing Ltd., 2011) Schott, Mathias; Grosset, A. V. Pascal; Martin, Tobias; Pegoraro, Vincent; Smith, Sean T.; Hansen, Charles D.; H. Hauser, H. Pfister, and J. J. van Wijk
    In this paper, a method for interactive direct volume rendering is proposed for computing depth of field effects, which previously were shown to aid observers in depth and size perception of synthetically generated images. The presented technique extends those benefits to volume rendering visualizations of 3D scalar fields from CT/MRI scanners or numerical simulations. It is based on incremental filtering and as such does not depend on any precomputation, thus allowing interactive explorations of volumetric data sets via on-the-fly editing of the shading model parameters or (multi-dimensional) transfer functions.