We present an integral equation which generalizes a variety of known rendering algorithms. In the course of discussing a monte carlo solution we also present a new form of variance reduction, called hierarchical sampling and give a number of elaborations that show it may be an efficient new technique for a wide variety of monte carlo procedures. The resulting rendering algorithm extends the range of optical phenomena which can be effectively simulated.
CITATION STYLE
Kajiya, J. T. (1986). RENDERING EQUATION. Computer Graphics (ACM), 20(4), 143–150. https://doi.org/10.1145/15886.15902
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