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Virtual Characters. Overview. What is a digital character? Why do would we want digital characters? Scope of the problem What we want to tackle How we want to tackle it. What is a Virtual Character?. Virtual character - a character who represents an executing system

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overview
Overview
  • What is a digital character?
  • Why do would we want digital characters?
  • Scope of the problem
  • What we want to tackle
  • How we want to tackle it
what is a virtual character
What is a Virtual Character?
  • Virtual character - a character who represents an executing system
  • In TRON (1982), humans and humans that represents software interacted within a world that represented the hardware.
what is a virtual character4
What is a Virtual Character
  • We look to to have humans and human the represent software interact in the real world.

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digital characters
Digital Characters
  • A new medium to interact with system information
  • Spectrum from the paper clip -> AIBO
  • Examples:
    • Agents (AI, NLP)
    • Robots (Robotics)
life sized virtual characters
Life-Sized Virtual Characters
  • Virtual Characters as a way to interact with information
  • If virtual characters are presented with an adequate level of realism, would people respond to them as they would to other people?
  • Effective Interaction
    • Natural (> than keyboard and mouse)
    • 3D, Dynamic (augmentable)
  • Effective Collaboration
    • Non-verbal communication (60%)
    • High impact?
comparing human human interaction modalities
Comparing Human-Human Interaction Modalities

N- None, L – Low, M – Medium, H – High

digital characters8
Digital Characters
  • Advantages:
    • Input: Non-Verbal, privacy
    • Output: Non-Verbal, dynamic
    • Efficacy: Impact, interaction
    • Logistics: Bandwidth, Cost
  • Disadvantages:
    • Input: Non-verbal fidelity
    • Output: Non-verbal fidelity
    • Efficacy: Interaction fidelity
interaction

Thinking

Virtual Character

Responding

Perceiving

Interaction
  • Each participant in a communication has three stages: perception, cognition, and response
  • Investigate: Display, perception, efficacy

Thinking

Responding

Perceiving

Interaction

Perceiving

Responding

Thinking

Participant

what we plan on studying
What we plan on studying
  • There are many components in digital characters
  • We will focus only on interaction
    • Input (perception)
      • How can we have the system capture non-verbal information? (emotion, gestures, eye-gaze, etc.)
      • Proposed solution: Initially straps -> advanced computer vision techniques
    • Output (response)
      • How do we display the digital character?
      • Proposed solution: Evaluate different display technologies
    • Eventually we will look at efficacy (future research)
how we plan on studying it
How we plan on studying it
  • Perception:
    • STRAPS: Track head, arms, upper body, and objects (telephone).
    • Develop techniques to transmit eye-gaze and expressions
    • User Studies: Evaluate effectiveness of each component
  • Response:
    • Evaluate the display modality. User Studies:
      • Immersive vs Non-Immersive
      • Life-sized vs. Non-life sized
      • 2D vs 3D
  • Goal: TV + webcams + laptop
projects underway
Projects underway
  • Interpersonal communication
    • Distributed acting rehearsal (DAS student)
  • Teaching
    • Deaf students
  • Future work: Universal Access
    • Disabled
    • Minorities
    • Rural communities
recruiting
Recruiting
  • Work with
    • Cognitive Psychologists
    • Computer Scientists
    • Computational Geometry
    • Aesthetic computing
    • Simulation/modeling
    • Digital Arts and Science
  • Looking for
    • MS and PhD students
  • Equipment
    • Wide area 12’x12’ tracker
    • V8 HMD
    • 42” plasma TV
    • Cyberware Scanner
    • 6 data projectors (stereo)
    • Firewire cameras
    • High-end PCs, video
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