Biased solution of integral illumination equation via irradiance caching and path tracing on GPUs
Vladimir Alexandrovich Frolov, Alexander Alexandrovich Kharlamov, A. V. Ignatenko · Programming and Computer Software · 2011
This work presents an approach for biased photorealistic rendering on graphics processor units (GPUs). The key idea of the approach is to combine irradiance caching with coherent adaptive path tracing.