NVIDIA Research: An Unbiased Ray-Marching Transmittance Estimator – NVIDIA Technical Blog News and tutorials for developers, data scientists, and IT admins 2025-03-27T16:00:00Z http://www.open-lab.net/blog/feed/ Aaron Lefohn <![CDATA[NVIDIA Research: An Unbiased Ray-Marching Transmittance Estimator]]> http://www.open-lab.net/blog/?p=33414 2022-08-21T23:51:59Z 2021-06-22T18:40:30Z NVIDIA researchers will present their paper "An Unbiased Ray-Marching Transmittance Estimator" at SIGGRAPH 2021, August 9-13, showing a new way to compute...]]> NVIDIA researchers will present their paper "An Unbiased Ray-Marching Transmittance Estimator" at SIGGRAPH 2021, August 9-13, showing a new way to compute...

NVIDIA researchers will present their paper ��An Unbiased Ray-Marching Transmittance Estimator�� at SIGGRAPH 2021, August 9-13, showing a new way to compute visibility in scenes with complex volumetric effects. When Monte Carlo sampling is used to compute lighting effects such as soft shadows and global illumination, shadow rays are used to query the visibility between lights and��

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