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Perception-based fast rendering and antialiasing of walkthrough sequences

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3 Author(s)
Myszkowski, K. ; Max-Planck-Inst. for Comput. Sci., Saarbrucken, Germany ; Rokita, P. ; Tawara, T.

We consider accelerated rendering of high quality walkthrough animation sequences along predefined paths. To improve rendering performance, we use a combination of a hybrid ray tracing and image-based rendering (IBR) technique and a novel perception-based antialiasing technique. In our rendering solution, we derive as many pixels as possible using inexpensive IBR techniques without affecting the animation quality. A perception-based spatiotemporal animation quality metric (AQM) is used to automatically guide such a hybrid rendering. The image flow (IF) obtained as a byproduct of the IBR computation is an integral part of the AQM. The final animation quality is enhanced by an efficient spatiotemporal antialiasing which utilizes the IF to perform a motion-compensated filtering. The filter parameters have been tuned using the AQM predictions of animation quality as perceived by the human observer. These parameters adapt locally to the visual pattern velocity

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Visualization and Computer Graphics, IEEE Transactions on  (Volume:6 ,  Issue: 4 )