NTT DOCOMO Harnesses AI Technology to Create Metaverse Non-Player Characters

NTT DOCOMO has developed a new generative AI system that can automatically create non-player characters (NPCs) for metaverse environments using just text descriptions. 

The technology is believed to be the first of its kind that can generate fully-formed NPCs including appearances, behaviours, and roles in around 20 minutes without needing programming expertise.

DOCOMO’s system integrates three different generative AI models: one for behaviour logic, one for animations, and one for appearances.

The behaviour logic model creates a unique “behaviour tree” defining how an NPC will act based solely on text input. Previously, skilled programmers would have to manually code behaviour trees which can be time-consuming.

The animation and appearance models then take the behaviour tree and generate skeletal animations and 3D model appearances to match the described NPC. The three models are linked together to create cohesive NPCs encompassing looks, actions, and logical behaviours:

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