Polyphony Digital is developing a new rendering system for Gran Turismo that uses neural networks to determine which objects in a scene need to be drawn, and the early results suggest it could meaningfully improve performance on PlayStation 5.
The system, called “NeuralPVS”, was detailed in a technical presentation at the Computer Entertainment Developers Conference (CEDEC) last year. The talk was given by two Polyphony graphics engineers: Yu Chengzhong and Hajime Uchimura.
Yu joined Polyphony Digital in 2024 after graduating from Tokyo University of Science, where he presented a technical paper on real-time volumetric rendering at SIGGRAPH 2023. Hajime is a longer-tenured engineer who has been with the studio since 2008…