Elvis: situated speech and gesture understanding for a robotic chandelier

  • Authors:
  • Joshua Juster;Deb Roy

  • Affiliations:
  • MIT Media Laboratory, Cambridge, MA;MIT Media Laboratory, Cambridge, MA

  • Venue:
  • Proceedings of the 6th international conference on Multimodal interfaces
  • Year:
  • 2004

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Abstract

We describe a home lighting robot that uses directional spotlights to create complex lighting scenes. The robot senses its visual environment using a panoramic camera and attempts to maintain its target goal state by adjusting the positions and intensities of its lights. Users can communicate desired changes in the lighting environment through speech and gesture (e.g., "Make it brighter over there"). Information obtained from these two modalities are combined to form a goal, a desired change in the lighting of the scene. This goal is then incorporated into the system's target goal state. When the target goal state and the world are out of alignment, the system formulates a sensorimotor plan that acts on the world to return the system to homeostasis.