Analytical motion blur rasterization with compression

Carl Johan Gribel, Michael Doggett, Tomas Akenine-Moller
Lund University
Proceedings of the Conference on High Performance Graphics, HPG ’10, 2010


   title={Analytical motion blur rasterization with compression},

   author={Gribel, C.J. and Doggett, M. and Akenine-M{\"o}ller, T.},

   booktitle={Proceedings of the Conference on High Performance Graphics},



   organization={Eurographics Association}


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We present a rasterizer, based on time-dependent edge equations, that computes analytical visibility in order to render accurate motion blur. The theory for doing the computations in a rasterization framework is derived in detail, and then implemented. To keep the frame buffer requirements low, we also present a new oracle-based compression algorithm for the time intervals. Our results are promising in that high quality motion blurred scenes can be rendered using a rasterizer with rather low memory requirements. Our resulting images contain motion blur for both opaque and transparent objects.
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