Representativity for robust and adaptive multiple importance sampling

IEEE Trans. Vis. Comput. Graph., pp. 1108-1121, 2011.

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numerical integration contextcommon renderingintegration problemgeneral methodadaptive multiple importance samplingMore(20+)

Abstract:

We present a general method enhancing the robustness of estimators based on multiple importance sampling (MIS) in a numerical integration context. MIS minimizes variance of estimators for a given sampling configuration, but when this configuration is less adapted to the integrand, the resulting estimator suffers from extra variance. We ad...More

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