Automatic authoring of interactive multimedia documents via media-oriented operators Diogo Santana Martins, Didier Augusto Vega-Oliveros, and Maria da Graça Campos Pimentel Universidade de S o Paulo S o Carlos, SP Brazil {diogosm, davo, mgp}@icmc.usp.br ABSTRACT When capturing multimedia records of collaborative activities (e.g. lectures, meetings, etc.), later access to the captured activity is usually provided by a linear video comprising the contents of the exchanged media. Such alternative impairs the review of the activity to the extent that the user only counts on the traditional timeline-based video controls. In scenarios in which automated tools generate interactive multimedia documents as a result of capturing an activity, the literature reports the use of ink-based and audio-based operators that allow the identification of points of interaction in the resulting document. In previous work, we defined a taxonomy of media-based operators in order to take into account user interactions with boards and videos, and extended the audio and ink-based operators with action-based alternatives. In this paper, the applicability of the operators is demonstrated in the context of the automatic generation of multimedia documents for interactive TV. Results from the user evaluation suggest that the operators provide means for faster review of
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Automatic authoring of interactive multimedia documents via media-oriented operators
Martins, Diogo Santana; Vega-Oliveros, Didier Augusto; da Graça Campos Pimentel, Maria
Follow ACM SIGAPP Applied Computing Review
, Volume 11 (4)
Association for Computing Machinery – Dec 1, 2011
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