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Time-critical multiresolution volume rendering using 3D texture mapping hardware

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2 Author(s)
Xinyue Li ; Dept. of Comput. & Inf. Sci., Ohio State Univ., Columbus, OH, USA ; Han-Wei Shen

This paper presents a LOD selection algorithm for multiresolution volume rendering using 3D texture mapping hardware. The goal of the algorithm is to select appropriate LODs automatically from a volume hierarchy so that the rendering speed will match the user's desired frame rate. To achieve this goal, we devise an intra-frame predictive-reactive scheme, which controls the rendering time by collecting run-time performance statistics and performing dynamic LOD selections. Our algorithm takes into account user-specified volume importance criteria when distributing the time budget, so regions of interest can be rendered at a higher quality. Experiments showed that our algorithm can control the rendering speed with less than 10% of error from the user's target frame rate.

Published in:

Volume Visualization and Graphics, 2002. Proceedings. IEEE / ACM SIGGRAPH Symposium on

Date of Conference:

28-29 Oct. 2002

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