Conquering Noisy Images in Ray Tracing with Next Event Estimation

Originally published at: Conquering Noisy Images in Ray Tracing with Next Event Estimation | NVIDIA Technical Blog

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. The full talk can be found here. The seven-minute video below is an excerpt from the full 30 minute talk. If you’re using uniform random sampling,…