Journal
ACM TRANSACTIONS ON GRAPHICS
Volume 30, Issue 4, Pages -Publisher
ASSOC COMPUTING MACHINERY
DOI: 10.1145/1964921.1964950
Keywords
depth of field; motion blur; soft shadows; light field; reconstruction
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Funding
- MIT-Singapore Gambit lab
- Intel
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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.
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