Perceptually Optimized 3D Graphics
by Reddy, M.
IEEE Computer Graphics and Applications, vol. 21, no. 5, pp. 68–75, Sep/Oct 2001.
We apply models of visual perception to remove non-perceptible components of a 3D computer graphics scene and hence optimize the computational load with virtually no perceivable effect. We present a model of human visual threshold performance and use this within a real-time 3D graphics system to cull non-perceptible elements of a scene. The model takes into consideration the velocity of a target and the degree to which it exists in our peripheral vision. We illustrate the benefit of this behavior and provide answers to important questions such as how much detail can be removed from a scene without the user noticing, and how much benefit can be achieved by doing this. We show that combining velocity- and peripheral-based simplifications can be far more effective than a peripheral criterion alone. We demonstrate this with results from a perceptually based view-dependent level of detail simulation and image processing application.
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Reddy, Martin | Alumnus |  |
