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The Nvidia AI interview: Inside DLSS 4 and machine learning with Bryan Catanzaro

Alex Battaglia of Digital Foundry interviews Bryan Catanzaro, Nvidia's VP of applied deep learning about DLSS 4. How does it work and what's possible next?

While at the show, we spoke with Nvidia VP of applied deep learning research Bryan Catanzaro about the finer details of how the new DLSS works, from its revised transformer model for super resolution and ray reconstruction to the new multi frame generation (MFG) feature. Despite coming just over a year since our last interview with Bryan, which coincided with the release of DLSS 3.5 and Cyberpunk 2077 Phantom Liberty, there are some fairly major advancements here, some of which that will be reserved for RTX 50-series owners and others that will be available for a wider range of Nvidia graphics cards. The failures that arose from that hardware optical flow couldn't be undone with a smarter neural network, so we decided to just replace them with a fully AI-based solution, which is what we've done for frame generation in DLSS 4.

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