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Issue No.04 - October-December (2000 vol.6)
pp: 360-379
<p><b>Abstract</b>—In this paper, 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.</p>
Walkthrough animation, human perception, video quality metrics, motion-compensated filtering.
Karol Myszkowski, Przemyslaw Rokita, Takehiro Tawara, "Perception-Based Fast Rendering and Antialiasing of Walkthrough Sequences", IEEE Transactions on Visualization & Computer Graphics, vol.6, no. 4, pp. 360-379, October-December 2000, doi:10.1109/2945.895880
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