SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Simulation levels of detail for real-time animation
Proceedings of the conference on Graphics interface '97
Hierarchical geometric models for visible surface algorithms
Communications of the ACM
Production and playback of human figure motion for 3D virtual environments
VRAIS '95 Proceedings of the Virtual Reality Annual International Symposium (VRAIS'95)
Level of Detail for 3D Graphics
Level of Detail for 3D Graphics
Adaptive dynamics of articulated bodies
ACM SIGGRAPH 2005 Papers
Presence: Teleoperators and Virtual Environments
Perceptually driven simulation
Perceptually driven simulation
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We present the "LOD Trader", an algorithm for optimizing the perceptual quality of a simulation while respecting computational resource constraints by selectively reducing the level of detail with which less important entities are simulated. Our approach to LOD selection is better suited to simulation LOD than conventional graphical LOD techniques have been. We motivate the need for simulation-specific methods of LOD selection and describe a viewer-centric and perceptually-based measure of simulation quality. We then describe the algorithm itself, which maximizes simulation quality while respecting resource constraints. Finally, we describe a case study in which the LOD Trader produced superior results to conventional LOD selection. The information in this paper is a shortened version of [Sunshine-Hill 2011].