This paper introduces a 3D user interface and a concept for an interaction device that we refer to as an instrumented bracelet. Both interfaces are purpose-designed to facilitate user interaction with the AR projection system Fluid Beam [7]. The 3D interface is a desktop application that enables the creation and manipulation of projected displays (virtual displays) in the environment. With the instrumented bracelet, the user will be able to interact more freely and more intuitively with the projected displays using arm movements and speech.

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Abstract. Ambient Intelligence research is about ubiquitous computing and about social and intelligent properties of computer-supported environments. These properties aim at providing inhabitants or visitors of ambient intelligence environments with support in their activities. Activities include interactions between inhabitants and between inhabitants and (semi-) autonomous agents, including mobile robots, virtual humans and other smart objects in the environment. Providing real-time support requires understanding of behavior and activities. Clearly, being able to provide real-time support also allows us to provide off-line support, that is, intelligent off-line retrieval, summarizing, browsing and even replay, possibly in a transformed way, of stored information. Real-time remote access to these computer-supported environments also allows participation in activities and such participation as well can profit from the realtime capturing and interpretation of behavior and activities performed and supported by ambient intelligence technology. In this paper we illustrate and support these observations by looking at results obtained in several European and US projects, in particular projects on smart environments, whether they are smart meeting or lecture rooms, smart offices or intelligently monitored events in public spaces. In particular we look at the Augmented Multi-party Interaction (AMI) project in which we are involved and we try to sketch a framework in which we can transform research results from the meeting context to the home environment context. 1 GOOGLE is a trademark of Google Inc.

In this paper we describe a system to project virtual characters that shall live with us in the same environment. In order to project the characters ’ visual representations onto room surfaces we use a controllable projector. 1

We present a high-level Java API that allows developers of pervasive computing environments to integrate 2D or 3D spatial sound over loudspeakers into systems without any DSP knowledge. The system is platformindependent and allows most arbitrary speaker configurations, thereby providing a scalable tool for real-time spatialization with low-cost off-the-shelf hardware.

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