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Augmented Reality

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Augmented Reality: Linking real and virtual worlds
A new paradigm for interacting with computers
Wendy E. Mackay
Department of Computer Science
Université de Paris-Sud
ORSAY-CEDEX, FRANCE
E-mail: mackay@lri.fr
ABSTRACT

A revolution in computer interface design is changing the way we think about computers. Rather than typing on a keyboard and watching a television monitor, Augmented
Reality lets people use familiar, everyday objects in ordinary ways. The difference is that these objects also provide a link into a computer network. Doctors can examine patients while viewing superimposed medical images; children can program their own LEGO constructions; construction engineers can use ordinary paper engineering drawings to communicate with distant colleagues. Rather than immersing people in an artificiallycreated virtual world, the goal is to augment objects in the physical world by enhancing them with a wealth of digital information and communication capabilities.
KEYWORDS: Augmented Reality, Interactive Paper,

Design Space Exploration, Participatory Design
INTRODUCTION

Computers are everywhere: in the past several decades they have transformed our work and our lives. But the conversion from traditional work with physical objects to the use of computers has not been easy. Software designers may omit small, but essential, details from the original system that result in catastrophic failures. Even the act of typing is not benign: repetitive strain injuries (RSI) due to overuse of the keyboard has become the major source of workmen's compensation claims in the United States and causes over 250,000 surgeries per year.
The "paper-less" office has proven to be a myth: not only are office workers still inundated with paper, but they must now handle increasing quantities of electronic information.
Worse, they are poorly equipped to

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