Temporal light field reconstruction for rendering distribution effects
Jaakko Lehtinen, Timo Aila, Jiawen Chen, Samuli Laine, Frédo Durand
In ACM Transactions on Graphics, 30(4), July 2011.
Abstract: Traditionally, effects that require evaluating multidimensional integrals for each pixel, such as motion blur, depth of field, and soft shadows, suffer from noise due to the variance of the high-dimensional integrand. In this paper, we describe a general reconstruction technique that exploits the anisotropy in the temporal light field and permits efficient reuse of samples between pixels, multiplying the effective sampling rate by a large factor. We show that our technique can be applied in situations that are challenging or impossible for previous anisotropic reconstruction methods, and that it can yield good results with very sparse inputs. We demonstrate our method for simultaneous motion blur, depth of field, and soft shadows.
Keyword(s): depth of field, light field, motion blur, reconstruction, soft shadows
Article URL: http://dx.doi.org/10.1145/2010324.1964950
BibTeX format:
@article{Lehtinen:2011:TLF,
  author = {Jaakko Lehtinen and Timo Aila and Jiawen Chen and Samuli Laine and Frédo Durand},
  title = {Temporal light field reconstruction for rendering distribution effects},
  journal = {ACM Transactions on Graphics},
  volume = {30},
  number = {4},
  pages = {55:1--55:12},
  month = jul,
  year = {2011},
}
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