Spatiotemporal sensistivity and visual attention for efficient rendering of dynamic environments

Details Spatiotemporal sensistivity and visual attention for efficient rendering of dynamic environments Spatiotemporal sensistivity and visual attention for efficient rendering of dynamic environments

2005-11-08

arxiv.org/abs/cs/0511032v1

ACM Transactions on Graphics, 20(1), January 2001

Computer Science

Graphics

Scientific paper

We present a method to accelerate global illumination computation in dynamic environments by taking advantage of limitations of the human visual system. A model of visual attention is used to locate regions of interest in a scene and to modulate spatiotemporal sensitivity. The method is applied in the form of a spatiotemporal error tolerance map. Perceptual acceleration combined with good sampling protocols provide a global illumination solution feasible for use in animation. Results indicate an order of magnitude improvement in computational speed. The method is adaptable and can also be used in image-based rendering, geometry level of detail selection, realistic image synthesis, video telephony and video compression.

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