Hemispherical Rasterization for Self-Shadowing of Dynamic Objects

@inproceedings{Kautz2004HemisphericalRF,
  title={Hemispherical Rasterization for Self-Shadowing of Dynamic Objects},
  author={Jan Kautz and Jaakko Lehtinen and Timo Aila},
  booktitle={Rendering Techniques},
  year={2004}
}

• Jan Kautz, Jaakko Lehtinen, Timo Aila
• Published 2004 in Rendering Techniques
• DOI:10.2312/EGWR/EGSR04/179-184

We present a method for interactive rendering of dynamic models with self-shadows due to time-varying, lowfrequency lighting environments. In contrast to previous techniques, the method is not limited to static or preanimated models. Our main contribution is a hemispherical rasterizer, which rapidly computes visibility by rendering blocker geometry into a 2D occlusion mask with correct occluder fusion. The response of an object to the lighting is found by integrating the visibility function at… CONTINUE READING

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