Yann Dupuy

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The simulation workshop CHORALE of the French DGA is used by government services and industrial companies for weapon system validation and qualification trials in the infrared domain, and detection of moving vehicles in the acoustic domain. Recently, acoustic simulation tests were performed on the 3D geometrical database of the DGA/DCE/ETBS proving ground.(More)
Hierarchical radiosity provides a good model for the lighting of static scenes. But when an object moves, this model requires an update of all the lighting. In fact, thanks to space-time coherence, we just have to compute some of the geometry parameters (form factors). The problem is to determine which part of the hierarchy of links must change or not. A(More)
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