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Virtual reality in medicine-computer graphics and interaction techniques

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5 Author(s)
Haubner, M. ; Inst. of Med. Inf. & Health Services Res., GSF-Nat. Res. Center for Environ. & Health, Neuherberg, Germany ; Krapichler, Christian ; Losch, A. ; Englmeier, K.-H.
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The paper describes several new visualization and interaction techniques that enable the use of virtual environments for routine medical purposes. A new volume-rendering method supports shaded and transparent visualization of medical image sequences in real-time with an interactive threshold definition. Based on these rendering algorithms two complementary segmentation approaches offer an intuitive assistance for a wide range of requirements in diagnosis and therapy planning. In addition, a hierarchical data representation for geometric surface descriptions guarantees an optimal use of available hardware resources and prevents inaccurate visualization. The combination of the presented techniques empowers the improved human-machine interface of virtual reality to support every interactive task in medical three-dimensional (3-D) image processing, from visualization of unsegmented data volumes up to the simulation of surgical procedures.

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Information Technology in Biomedicine, IEEE Transactions on  (Volume:1 ,  Issue: 1 )