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OpenAI the artificial intelligence research group founded by Elon Musk, has trained an AI to play Minecraft almost as well as humans. It took only 70 hours of watching YouTube videos.
A blog post detailing the research shows that researchers used a technique called "Video PreTraining (VPT)" to train a neural network on how to play Minecraft. This included gathering 2,000 hours worth of data from actual players playing Minecraft. It also included exact keypresses, mouse movements, and raw video.
The researchers then trained an inverse dynamic (IDM), which predicted the future actions of the IDM at each step of the videos. Finally, the "trained IDM" was shown 70,000 hours worth of Minecraft YouTube videos. The model was able to duplicate the behaviors of the videos, such as cutting down trees to collect logs , and making logs into crafting tables.
It's not all the AI model can do. It was also able to perform complicated tasks such as swimming hunting, or eating. The AI could even perform "pillar jumping" which involves repeatedly jumping and placing blocks under you to keep you in the air.
Researchers were able build an "foundation model" from the AI's information and then fine-tune it or learn new behavior. The AI was discovered to be able to execute the first game-related skills, such as making stone and wooden tools, raiding chests and even building shelters.
The more hours of data that are fed into the foundation model, the more able the AI was. Researchers even employed "reinforcement learning" to "reward" the AI for performing especially hard challenges. The reward system was so effective that the AI was able successfully to craft a diamond pickaxe. This task involves a variety of tasks.
This is an interesting application of machine learning and shows how games can be used to help computers learn. Perhaps the AI model could be integrated into games to give players an easier challenge similar to playing against human players.
The AI can also make improvements to the irritating boss battles in the upcoming Outriders Worldslayer campaign. The new Outriders expansion is in many ways exactly what fans want. However, it retains some of the less popular aspects of the original game.
David Matthews is a freelance writer who specializes in consumer tech and gaming. He also strongly believes that sugar does not go in the grits.
Kd76
Homepage: https://kd76.com/
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