Modeling Physical Capabilities of Humanoid Agents Using Motion Capture Data

  • Authors:
  • Gita Sukthankar;Michael Mandel;Katia Sycara;Jessica Hodgins

  • Affiliations:
  • Carnegie Mellon University;Carnegie Mellon University;Carnegie Mellon University;Carnegie Mellon University

  • Venue:
  • AAMAS '04 Proceedings of the Third International Joint Conference on Autonomous Agents and Multiagent Systems - Volume 1
  • Year:
  • 2004

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Abstract

In this paper we demonstrate a method for fine-grained modeling of a synthetic agentýs physical capabilities 驴 running, jumping, sneaking, and other modes of movement. Using motion capture data acquired from human subjects, we extract a motion graph and construct a cost map for the space of agent actions. We show how a planner can incorporate this cost model into the planning process to select between equivalent goal-achieving plans. We explore the utility of our model in three different capacities: 1) modeling other agents in the environment; 2) representing heterogeneous agents with different physical capabilities; 3) modeling agent physical states (e.g., wounded or tired agents). This technique can be incorporated into applications where human-like, high-fidelity physical models are important to the agentsý reasoning process, such as virtual training environments.