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Digital shadow play is one attempt to combine the traditional shadowgraph and modern computer science technology. By the requirement of shadowgraph in the real world, the digital shadow play is required to be highly real-time, easily handle and strong interaction. Besides, because of the requirement of multi-personal interaction, the design and implement of communication model also should be considered...
In this paper we utilize some hybrid rendering techniques combining image-based, point-based and geometry-based technique for the modeling and display of immersive virtual heritage environments (VHEs). This paper also uses a generic computation method of indirect illumination based on Monte Carlo sampling and on the sequential analysis theory, which is faster and more automatic than classical methods...
We present a virtual reality simulator to realize interventional radiology (IR) procedures remotely. The simulator contains two subsystems: one at the local site and the other at the remote site. At the local site, the interventional radiologist interacts with a three-dimensional (3-D) vascular model extracted from the patient's data and inserts IR devices through the Motion Tracking Box (MTB), which...
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