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Search: authors:"Konstantinos Chorianopoulos"

4 papers found.
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Citizen science for pedestrian cartography: collection and moderation of walkable routes in cities through mobile gamification

Digital geographical maps can be regarded as a user interface for understanding and navigating the city. Nevertheless, contemporary digital maps over-emphasize the needs of motor vehicles. Pedestrian routes have only been considered as an add-on option in existing digital maps and the respective data collection has not been performed in the field. In this article, we present a...

Design and implement chords and personal windows for multi-user collaboration on a large multi-touch vertical display

Konstantinos Chorianopoulos Letizia Jaccheri Co-located collaboration on large vertical screens has become technically feasible, but users are faced with increased effort, or have to wear intrusive personal

Collective intelligence within web video

We present a user-based approach for detecting interesting video segments through simple signal processing of users’ collective interactions with the video player (e.g., seek/scrub, play, pause). Previous research has focused on content-based systems that have the benefit of analyzing a video without user interactions, but they are monolithic, because the resulting key-frames are...