AAAI Conference 2008 Conference Paper
Data-Driven Programming and Behavior for Autonomous Virtual Characters
- Jonathan Dinerstein
- Dan Ventura
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Jonathan Dinerstein
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2IJCAI Conference 2007 Conference Paper
- Jonathan Dinerstein
- Parris K. Egbert
- Dan Ventura
Although many powerful AI and machine learning techniques exist, it remains difficult to quickly create AI for embodied virtual agents that produces visually lifelike behavior. This is important for applications (e. g. , games, simulators, interactive displays) where an agent must behave in a manner that appears human-like. We present a novel technique for learning reactive policies that mimic demonstrated human behavior. The user demonstrates the desired behavior by dictating the agent's actions during an interactive animation. Later, when the agent is to behave autonomously, the recorded data is generalized to form a continuous state-to-action mapping. Combined with an appropriate animation algorithm (e. g. , motion capture), the learned policies realize stylized and natural-looking agent behavior. We empirically demonstrate the efficacy of our technique for quickly producing policies which result in lifelike virtual agent behavior.