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In 1992, Tani et al. proposed remotely operating machines in a factory by manipulating a live video image on a computer screen. In this paper we revisit this metaphor and investigate its suitability for mobile use. We present Touch Projector, a system that enables users to interact with remote screens through a live video image on their mobile device. The(More)
Although interactive surfaces have many unique and compelling qualities, the interactions they support are by their very nature bound to the display surface. In this paper we present a technique for users to seamlessly switch between interacting on the tabletop surface to above it. Our aim is to leverage the space above the surface in combination with the(More)
Collaborative creativity is traditionally supported by formal techniques, such as brainstorming. These techniques improve the idea-generation process by creating group synergies, but also suffer from a number of negative effects. Current electronic tools to support collaborative creativity overcome some of these problems, but introduce new ones, by either(More)
Large and public displays mostly provide little interactivity due to technical constraints, making it difficult for people to capture interesting information or to influence the screen's content. Through the combination of largescale visual output and the mobile phone as an input device, bidirectional interaction with large public displays can be enabled.(More)
We present EMMIE (Environment Management for Multiuser Information Environments), a prototype experimental user interface to a collaborative augmented environment. Users share a 3D virtual space and manipulate virtual objects that represent information to be discussed. We refer to EMMIE as a hybrid user interface because it combines a variety of different(More)
Current desktop workspace environments consist of a vertical area (e.g., a screen with a virtual desktop) and a horizontal area (e.g., the physical desk). Daily working activities benefit from different intrinsic properties of both of these areas. However, both areas are distinct from each other, making data exchange between them cumbersome. Therefore, we(More)
In this paper we debut Photohelix, a novel interactive system for browsing, sorting and sharing digital images. We present our design rationale for such a system and introduce Photohelix as a prototype application featuring a novel visualization and interaction technique for media browsing on interactive tabletops. We conducted a user study in order to(More)
Tangible user interfaces provide access to virtual information through intuitive physical manipulation. However, feedback is mostly provided by displays in the environment instead of the TUI itself. In this paper we describe the design of Tuister, a tangible user interface with multiple embedded displays and sensors. We explain how Tuister can be used to(More)
In this survey, we discuss 29 software infrastructures and frameworks which support the construction of distributed interactive systems. They range from small projects with one implemented prototype to large scale research efforts, and they come from the fields of Augmented Reality (AR), Intelligent Environments, and Distributed Mobile Systems. In their own(More)