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Capturing behaviour for the use of avatars in virtual environments.
Thomas E Whalen1, Dorina C Petriu, Lucy Yang
1Communications Research Centre, Ottawa, Ontario, Canada. thom.whalen@crc.ca
Summary
Controlling virtual avatars requires translating simple user instructions into complex movements. This involves capturing human behavior, breaking it into atomic actions, and developing a user interface for avatar control.
Area of Science:
- Virtual Reality and Human-Computer Interaction
- Robotics and Artificial Intelligence
Background:
- Avatars, digital representations of humans in virtual environments, are typically human-controlled.
- Directly controlling every joint of a complex avatar is often impractical for users.
- Users need intuitive methods to command complex avatar behaviors via simple instructions.
Purpose of the Study:
- To outline the technological requirements for enabling avatars to interpret and execute complex behaviors from simple user commands.
- To explore methods for capturing, storing, and retrieving human behavior data for avatar use.
- To address the need for a structured approach to defining and sequencing avatar actions.
Main Methods:
- Capturing human behavior using various interfaces like haptic devices, visual observation (head movements), and natural language processing.
- Decomposing captured behaviors into atomic actions.
- Sequencing these actions using a defined grammar.
- Developing a user interface for instruction delivery to the avatar.
Main Results:
- Demonstrated feasibility of capturing and storing human behavior for avatar replication.
- Established the necessity of breaking down complex actions into simpler, grammatical components.
- Highlighted the importance of a user-friendly interface for effective avatar command.
Conclusions:
- The integration of behavior capture, grammatical sequencing, and user interface design is crucial for effective avatar control.
- Current technologies support the development of avatars that can interpret and execute complex actions based on simple instructions.
- This approach facilitates more natural and intuitive human-avatar interaction in virtual environments.