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A statistical framework for comparing importance sampling methods, and an application to rectangular lights Leonid Pekelis, Christophe Hery February 2014 Importance sampling methods for ray tracing are numerous. One reason is due to the lack of a robust, quantitative method for comparison. This tech memo takes strides to provide a framework for comparing sampling methods on fair ground. We define a simple, mathematical notion of strictly preferring one method to ... [more] Available as Pixar Technical Memo #14-01 |