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In commercials and motion pictures, computer graphics is often used to achieve special effects, e.g., adding synthetic dinosaurs in " Jurassic Park ". This process usually implies special camera equipment and a careful and time consuming post processing of single frames. We consider a simplified scenario, where synthetic objects are added automatically to a(More)
GKS has evolved from a long process of national /1,2,3,4/ and international /5,6/ discussion on standardization of graphical systems. One of the basic principles of the Graphical Kernel System GKS is the concept of workstations that are used to address a display terminal with several input devices. This is a basic conceptual difference to the GSPC core(More)
LOCALITE is a frameless neuronavigation system that particularly addresses a problem with current i n terventional magnetic resonance imaging iMRI systems: non-interactive response time in the interactive scan mode and poor image quality with fast scanning sequences. LOCALITE calculates image planes selected via a handheld localizer from pre-or(More)
In virtual studios, most of the setting is not constructed in reality but generated synthetically by a graphics computer and mixed into the camera image. A convincing mixing requires very precise coordination of the real camera with the graphics pipeline, especially in the case of camera moves. This process is called camera tracking. The paper describes an(More)