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Toshifumi Arai


Publications by Toshifumi Arai (bibliography)

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Arai, Toshifumi, Aust, Dietmar and Hudson, Scott E. (1997): PaperLink: A Technique for Hyperlinking from Real Paper to Electronic Content. In: Pemberton, Steven (ed.) Proceedings of the ACM CHI 97 Human Factors in Computing Systems Conference March 22-27, 1997, Atlanta, Georgia. pp. 327-334. Available online

Paper is a very convenient medium for presenting information. It is familiar, flexible, portable, inexpensive, user modifiable, and offers better readability properties than existing electronic displays. However, paper displays are static and do not offer capabilities such as dynamic content, and hyperlinking that can be provided with electronic media. PaperLink is a system which augments paper documents with electronic features. PaperLink uses a highlighter pen augmented with a camera, along with simple computer vision and pattern recognition techniques, to allow a user to make marks on paper which can have associations and meaning in an electronic world, and to "pick up" printed material for use as electronic input. This paper will consider the prototype PaperLink hardware and software system, and its application to hyperlinking from paper to electronic content.

© All rights reserved Arai et al. and/or ACM Press

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Arai, Toshifumi, Machii, Kimiyoshi and Kuzunuki, Soshiro (1995): Retrieving Electronic Documents with Real-World Objects on InteractiveDESK. In: Robertson, George G. (ed.) Proceedings of the 8th annual ACM symposium on User interface and software technology November 15 - 17, 1995, Pittsburgh, Pennsylvania, United States. pp. 37-38. Available online

We are developing a computerized desk which we have named InteractiveDESK [1]. One of the major features of the InteractiveDESK is reality awareness; that is, the ability to respond to situational changes in the real world in order to reduce users' workloads. In this paper, we present a new method, as an example of the reality awareness, to retrieve electronic documents with real objects such as paper documents or folders. Users of the InteractiveDESK can retrieve electronic documents by just showing real objects which have links to the electronic documents. The links are made by the users through interactions with the InteractiveDESK. The advantage of this method is that the user can unify the arrangement of electronic documents into the arrangement of real objects.

© All rights reserved Arai et al. and/or ACM Press

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