This paper describes an experimental augmented reality based system for overlaying computer generated information on the real world. Museum artefacts are digitised; 3D models are then created and rendered in an augmented reality environment providing the opportunity for museum visitors to visualise virtual artefacts in the context of real artefacts and other contextual information. Viewing 3D models, images and text in the same augmented environment enhances the museum visitor's experience. Our work is focused on three areas: photo-realistic and efficient 3D modelling of museum artefacts; on the description of the artefacts and their digital representations through the use of XML based on metadata standards; and on the rendering and mixing of real objects with synthetic ones in real time performance. The potential of our system is illustrated through a simulation scenario developed on an experimental AR tabletop laboratory environment.

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