Uploaded September 2019 | Updated September 2026, 2 weeks ago

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At SIGGRAPH 2019, NVIDIA presented a talk entitled “Light at the End of the Ray,” which explained importance sampling, and why it is critical for real-time ray tracing applications. This is an excerpt from that presentation.

The full talk can be found here: developer.nvidia.com/siggraph/2019/video/sig925-vid