How Gran Turismo's 'Sophy' Actually Works | AI and Games #68
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'GT Sophy' made a splash in early 2022 as it was declared to be a new type of AI racer for Gran Turismo that could leave many a professional player in the dust. It's time to find out how it works, and the story of where it comes from.
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A written version of this episode is available at:
http://www.aiandgames.com/2022/08/01/gran-turismo-sophy
If you're keen to find out more, here are all the research materials used for this episode:
"Neural Networks Overtake Humans in Gran Turismo Racing Game"
https://www.nature.com/articles/d41586-022-00304-2
"Outracing Champion Gran Turismo Drivers with Deep Reinforcement Learning"
https://www.nature.com/articles/s41586-021-04357-7
"Superhuman Performance in Gran Turismo Sport using Deep Reinforcement Learning"
https://rpg.ifi.uzh.ch/docs/RAL21_Fuchs.pdf
"Autonomous Overtaking in Gran Turismo Sport Using Curriculum Reinforcement Learning"
https://rpg.ifi.uzh.ch/docs/ICRA21_Yunlong.pdf
The Sony AI YouTube Channel
https://www.youtube.com/channel/UC-eJUbUU5AVi_tp75XFnDIQ
The Gran Turismo TV YouTube Channel
https://www.youtube.com/c/GRANTURISMOTV
The Gran Turismo Sophy Website
https://www.gran-turismo.com/us/gran-turismo-sophy/
Footage of Tesla AI Driving by 'Whole Mars Catalog'
https://www.youtube.com/watch?v=_ZYEjYnmPlA
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Video Chapters:
[00:00] Intro
[01:23] Sony AI
[05:02] The Goal of Sophy
[09:30] Sophy's 'Brain'
[15:59] Learning to Race
[19:23] Rewarding Good Racing
[23:44] Training a Champion
[30:34] Open Challenges
[31:38] Credits
Music in this episode is by TeknoAxe:
http://www.teknoaxe.com
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