Interactive Public Displays

Abstract

L arge interactive displays are becoming increasingly prevalent in urban public life. This is due largely to rapid advances in display and projection technologies, input methods that enable different types of interaction mechanisms, and our expanding understanding of the potential for interaction variations and scenarios. Large displays have moved out of research laboratories into public spaces such as museums, libraries, plazas, and architectural facades, where they present information and enhance experiences in a highly visual and often interactive way. Researchers from disciplines such as human-computer interaction, architecture, social sciences, design, art, and media theory have started exploring public-display installations' potential for educational, entertaining, participative, and evocative experiences.The design and development of these installations can be informed by previous research on, for instance, large interactive displays in collaborative and educational scenarios. However, public settings have unique characteristics and therefore impose unique challenges. Public spaces attract diverse audiences who differ in age, interests, and experience with technology and who will engage in spontaneous and often unpredictable activities, individually and in groups. In addition, public settings' spatial layouts, sizes, lighting conditions, and social connotations affect which display technologies and interaction techniques are adequate and how people will interact with and experience an installation.

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