Adaptive shadow maps

@inproceedings{Fernando2001AdaptiveSM,
  title={Adaptive shadow maps},
  author={Randima Fernando and Sebastian Fernandez and Kavita Bala and Donald P. Greenberg},
  booktitle={SIGGRAPH},
  year={2001}
}
Shadow maps provide a fast and convenient method of identifying shadows in scenes but can introduce aliasing. This paper introduces the Adaptive Shadow Map (ASM) as a solution to this problem. An ASM removes aliasing by resolving pixel size mismatches between the eye view and the light source view. It achieves this goal by storing the light source view (i.e., the shadow map for the light source) as a hierarchical grid structure as opposed to the conventional flat structure. As pixels are… CONTINUE READING

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