Abstract
This paper presents an architecture to control avatars and virtual characters in remote interaction environments. A human-in-the-loop (interactor) metaphor provides remote control of multiple virtual characters, with support for multiple interactors and multiple observers. Custom animation blending routines and a gesture-based interface provide interactors with an intuitive digital puppetry paradigm. This paradigm reduces the cognitive and physical loads on the interactor while supporting natural bi-directional conversation between a user and the virtual characters or avatar counterparts. A multi-server-client architecture, based on a low-demand network protocol, connects the user environment, interactor station(s) and observer station(s). The associated system affords the delivery of personalized experiences that adapt to the actions and interactions of individual users, while staying true to each virtual character's personality and backstory. This approach has been used to create experiences designed for training, education, rehabilitation, remote presence and other-related applications.
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