PS5 Pro Enhanced PSSR puts 90% of model parameters at 540p or below

At SIGGRAPH Daniel Craig, Principal Software Engineer at SIE has detailed the upgraded PlayStation Spectral Super Resolution model used by PS5 Pro. The new version comes from Sony and AMD’s Project Amethyst research, although the implementation remains custom for PlayStation hardware. It can also replace launch PSSR in existing games through a system-level override without requiring a game update.
One of the bigger architectural changes concerns where the neural network capacity

