Human–Computer Interaction (HCI) is no longer restricted to interaction between users and computers via keyboard and screen: Currently one of the most challenging aspects of interactive systems is the integration of the physical and digital aspects of interaction in a smooth and usable way. The design challenge of such mixed reality (MR) systems lies in the fluid and harmonious fusion of the physical and digital worlds. Examples of MR systems include tangible user interfaces, augmented reality, augmented virtuality and embodied interfaces. The diversity of terms highlights the ever growing interest in MR systems and the very dynamic and challenging domain they define.

Authors and Affiliations

1. University of Toulouse, IRIT, 118 route de Narbonne, 31062, Toulouse Cedex 9, France

   Emmanuel Dubois

2. University of Glasgow, DCS, G12 8QQ, Glasgow, Scotland, UK

   Phil Gray

3. Grenoble Informatics Laboratory, Domaine Universitaire, 385 avenue de la Bibliothèque, B.P. 53, 38 041, Grenoble Cedex 9, France

   Laurence Nigay

Corresponding author

Correspondence toEmmanuel Dubois.

Editors and Affiliations

1. Institut de Recherches en, Université Toulouse III, route de Narbonne 118 , Toulouse CX 4, 31062, France

   Emmanuel Dubois

2. Dept. Computing Science, University of Glasgow, Lilybank Gdns. 17, Glasgow, G12 8QQ, United Kingdom

   Philip Gray

3. Labo. d'Informatique de Grenoble (LIG), Université Grenoble I, rue de la Bibliotheque 385, Grenoble, 38041, France

   Laurence Nigay

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