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This paper describes the work carried out in the InStory project. InStory has the goal of defining and implementing a platform for mobile storytelling, information access, and gaming activities. The platform has a flexible computational architecture that integrates heterogeneous devices, different media formats and computational support for different(More)
Face annotation is an important concept for personal memories retrieval. Using automatic face recognition to annotate and find people in those memories provides an improvement of a personal memories management system. However, its results are limited by the uncontrolled conditions inherent to personal memories. In this paper, we propose a face recognition(More)
nmc@di.fct.unl.pt This paper describes the principles and a model for adding content and structure to existing video materials, based on annotation. Annotations in printed media promote active reading and, in a similar way, annotations in video promote active watching. The principles and model are illustrated by a prototype system for video annotation and(More)
This paper describes the design, implementation and evaluation of a wearable interface for ubiquitous gaming, dubbed Gauntlet. Our objective has been to achieve a user interface for intuitive and immersive interaction in mobile gaming environments, but generic enough to be used in diverse game styles and untethered from location-specific hardware and(More)
This paper focuses on the design and development of an authoring environment for the InStory project. InStory is a platform for mobile storytelling, gaming activities and information access. It focuses on the exploration of cultural and historical physical spaces, promoting interaction between users. During those explorations, users have access to(More)
This paper describes a video annotation tool based on a new and flexible model, that gives several perspectives over the same video content. The model was designed in a way that allows having multiple views over the same video data, enabling users with different requirements to have the most appropriate interface. These views, video-lenses, highlight a(More)
The introduction of interaction technology in museum settings requires special care in different aspects including the relations with the different participants (public, artists, and curators), and the ability of the technology to provide rewarding experiences over extended periods of time for a demanding audience. This paper describes a hardware and(More)