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    Interactive Visualizations of Video Tours in Space and Time

    HCI 2014 - Sand, Sea & Sky - Holiday HCI

    Proceedings of the 28th International BCS Human Computer Interaction Conference (HCI 2014)

    Southport, UK, 9 - 12 September 2014


    Ana Jorge, Sérgio Serra & Teresa Chambel


    Videos and movies are increasingly being created, shared and accessed from different platforms and devices, that are supporting georeferencing as a form to enrich their contextualization, demanding for new and more powerful ways to search, browse and view them. An effective access to video is very challenging due to the amount of items available and their inner complexity. Interactive visualization, in complement to video cataloguing, can help to handle this challenge, making information more accessible and useful. Moreover, it is worth doing this navigation ludic, and aesthetically interesting, while providing new ways to search and filter through their properties and their impact on the users. In previous work we focused on the temporal dimension in movies and videos in a way that is possible to explore and access them through time, genre and rating criteria, and inside their contents regarding image, movement, audio, subtitles and emotions. We are now extending our goal by considering the spatial dimension, through trajectories like the ones we find in city tours. We present the design of the main interactive visualizations for navigating georeferenced videos, allowing the user to 1) overview videos shot in a given geographic location in a given moment of time; 2) zoom in the trajectories of individual videos, e.g. by length, speed, age and content of the shootings; 3) access and watch each video content in a specific trajectory, e.g. through color, sound, spoken words, emotions and neighbor connections.


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