Authors: Barakonyi, István; Schmalstieg, Dieter

Source: Computer Animation and Virtual Worlds, Volume 19, Number 1, February 2008 , pp. 23-35(13)

Publisher: John Wiley & Sons, Ltd.

Abstract:

Most augmented reality (AR) applications are primarily concerned with letting a user browse a 3D virtual world registered with the real world. More advanced AR interfaces let the user interact with the mixed environment, but the virtual part is typically rather finite and deterministic. In contrast, autonomous behavior is often desirable in ubiquitous computing (Ubicomp), which requires the computers embedded into the environment to adapt to context and situation without explicit user intervention. We present an AR framework that is enhanced by typical Ubicomp features by dynamically and proactively exploiting previously unknown applications and hardware devices, and adapting the appearance of the user interface to persistently stored and accumulated user preferences. Our framework explores proactive computing, multi-user interface adaptation, and user interface migration. We employ mobile and autonomous agents embodied by real and virtual objects as an interface and interaction metaphor, where agent bodies are able to opportunistically migrate between multiple AR applications and computing platforms to best match the needs of the current application context. We present two pilot applications to illustrate design concepts. Copyright © 2007 John Wiley & Sons, Ltd.

Keywords: augmented reality; ubiquitous computing; animated agents; autonomous agents; adaptive user interfaces

Document Type: Research article

DOI: http://dx.doi.org/10.1002/cav.220

Publication date: 2008-02-01

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