Sciweavers

EGH
2013
Springer

Theory and Analysis of Higher-Order Motion Blur Rasterization

9 years 11 months ago
Theory and Analysis of Higher-Order Motion Blur Rasterization
A common assumption in motion blur rendering is that the triangle vertices move in straight lines. In this paper, we focus on scenarios where this assumption is no longer valid, such as motion due to fast rotation and other non-linear characteristics. To that end, we present a higher-order representation of vertex motion based on B´ezier curves, which allows for more complex motion paths, and we derive the necessary mathematics for these. In addition, we extend previous work to handle higher-order motion by developing a new tile vs. triangle overlap test. We find that our tile-based rasterizer outperforms all other methods in terms of sample test efficiency, and that our generalization of an interval-based rasterizer is often fastest in terms of wall clock rendering time. In addition, we use our tile test to improve rasterization performance by up to a factor 5× for semi-analytical motion blur rendering CR Categories: I.3.3 [Computer Graphics]: Three-Dimensional Graphics and Reali...
Carl Johan Gribel, Jacob Munkberg, Jon Hasselgren,
Added 28 Apr 2014
Updated 28 Apr 2014
Type Journal
Year 2013
Where EGH
Authors Carl Johan Gribel, Jacob Munkberg, Jon Hasselgren, Tomas Akenine-Möller
Comments (0)