Generalized linear perspective shadow map reparameterization

@inproceedings{Zhang2006GeneralizedLP,
  title={Generalized linear perspective shadow map reparameterization},
  author={Fan Zhang and Leilei Xu and Chenjun Tao and Hanqiu Sun},
  booktitle={VRCIA},
  year={2006}
}
Shadow mapping is an efficient approach for real-time shadow rendering, but it usually suffers from inherent aliasing artifacts due to the image-based nature. The aliasing errors of shadow mapping can be classified into two categories: perspective aliasing errors and projection aliasing errors. In this paper, we present the Generalized Linear Perspective Reparameterization (GLPR) of shadow maps to reduce perspective aliasing errors. The generalized perspective reparameterization function is… CONTINUE READING

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