Chi Tai Dang

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Recent multi-touch multi-user tabletop systems offer rich touch contact properties to applications. Not only they provide touch positions, but also finger orientations. Applications can use these properties separated for each finger or derive information by combining the given touch contact data. In this paper, we present an approach to map fingers to their(More)
In this paper, we report on the development of the competitive tangible tabletop game TabletopCars, which combines the virtual world with the physical world. We brought together micro scaled radio controlled cars as active tangibles with an interactive tabletop surface to realize the game. Furthermore, we included Microsoft Kinect depth sensing as an(More)
Advances in multi-touch enabled interactive tabletops led to many commercially available products and were increasingly deployed at places beyond research labs, for example at exhibitions, retail stores, or showrooms. At the same time, small multi-touch devices, such as tablets or smartphones, became prevalent in our daily life. When considering both(More)
Recently, the verbal and non-verbal behavior of virtual characters has become more and more sophisticated due to advances in behavior planning and rendering. Nevertheless, the appearance and behavior of these characters is in most cases based on the cultural background of their designers. Especially in combination with new natural interaction interfaces,(More)
Building on the observation that finger orientation is an inherent part of human's interaction in the real world, exploiting finger orientation for multitouch tabletop interaction would facilitate more natural interaction techniques. We motivate this by means of examples where the finger orientation improves or enriches interaction. Afterwards, we present a(More)
In this paper, we present a concept of using a home devices mashup tool to wire home devices on a tabletop display in combination with web based UIs on mobile devices to control home devices. This concept is realized by a multi-display system supported by the open-source framework Environs. The mashup tool on the tabletop enables multiple people to deploy(More)
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