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Ari Shamash


Publications by Ari Shamash (bibliography)

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Feiner, Steven K. and Shamash, Ari (1991): Hybrid User Interfaces: Breeding Virtually Bigger Interfaces for Physically Smaller Computers. In: Rhyne, James R. (ed.) Proceedings of the 4th annual ACM symposium on User interface software and technology Hilton Head, South Carolina, United States, 1991, Hilton Head, South Carolina, United States. pp. 9-17. Available online

While virtual worlds offer a compelling alternative to conventional interfaces, the technologies these systems currently use do not provide sufficient resolution and accuracy to support detailed work such as text editing. We describe a pragmatic approach to interface design that provides users with a large virtual world in which such high-resolution work can be performed. Our approach is based on combining heterogeneous display and interaction device technologies to produce a hybrid user interface. Display and interaction technologies that have relatively low resolution, but which cover a wide (visual and interactive) field are used to form an information surround. Display and interaction technologies that have relatively high resolution over a limited visual and interaction range are used to present concentrated information in one or more selected portions of the surround. These high-resolution fields are embedded within the low-resolution surround by choosing and coordinating complementary devices that permit the user to see and interact with both simultaneously. This allows each embedded high-resolution interface to serve as a "sweet spot" within which information may be preferentially processed. We have developed a preliminary implementation, described in this paper, that uses a Reflection Technology Private Eye display and a Polhemus sensor to provide the secondary low-resolution surround, and a flat-panel display and mouse to provide the primary high-resolution interface.

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