The presented approach has been used in the European Union Fifth Framework Program IST project ARCO—Augmented Representation of Cultural Objects [3, 18, 26, 28]. Fig. 6.6 Archaeology lesson—example of question visualization Within the project, a set of tools have been developed to enable museums to build interactive augmented reality environments for presenting cultural objects based […]
Abstract This topic deals with the problem of access control in 3D virtual environments which are interactive, behavior-rich, multi-user, and based on user-contributed content. Traditional coarse-grained and geometry-centric privilege modeling methods are not sufficient for such environments. New methods are required that concern not only geometrical models, their relationships and structure, but also inter-object behavioral […]