Pre-convolved Radiance Caching

Abstract

The incident indirect light over a range of image pixels is often coherent. Two common approaches to exploit this inter-pixel coherence to improve rendering performance are Irradiance Caching and Radiance Caching. Both compute incident indirect light only for a small subset of pixels (the cache), and later interpolate between pixels. Irradiance Caching uses… (More)
DOI: 10.1111/j.1467-8659.2012.03134.x

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