Nvidia DLSS 4 Deep Dive: Ray Reconstruction Upgrades Show Night & Day Improvements

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Published on January 25, 2025 3:42:14 PM ● Video Link: https://www.youtube.com/watch?v=rlePeTM-tv0

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The new transformer model for Nvidia DLSS 4 lives up to its name, with transformational improvements over the convolutional neural network approach seen in DLSS 2.0 upwards. We'll be tackling super resolution improvements in the second video on this topic, but by far the biggest enhancements are seen with ray reconstruction - as you shall discover in this deep dive from Alex.

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00:00:00 Introduction
00:01:19 Detail and "Stylisation"
00:06:18 Characters and Skin
00:08:53 Ghosting, Smearing and Blur
00:11:19 Regressions
00:13:23 Performance (RTX 5090, 4090, 3090, 2080 Ti)
00:15:35 Conclusions