Abstract
In this paper, we propose an approach for calculating global illumination by the radiosity method that allows achieving high performance for a large number of patches involved in the calculations. Two key ideas of the proposed approach are the creation of proxy geometry based on axis-aligned virtual patches and the method of temporal radiosity, which uses the interpretation of form-factors in terms of probabilities. The combination of the proposed methods makes it possible to obtain a rapid update of global illumination for light sources changing their positions with image quality close to the naive radiosity method.
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