Pseudo-marginal metropolis light transport

Accurate and efficient simulation of light transport in heterogeneous participating media, such as smoke, clouds and fire, plays a key role in the synthesis of visually interesting renderings for e.g. visual effects, computer games and product visualization. Similar problems also has important applications in other fields such as neutron transport and medical radiation dosimetry. While significant progress has been made towards robust and efficient algorithms for rendering heterogeneous participating media, scenes containing highly anisotropic phase functions, glossy surfaces and complex visibility still remain challenging.

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