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Summarization
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We work on the problem of video summarization via a fully automatic
structural analysis of the video and audio data. Our solution has three
elements:
- Computing film segments: We
solve this problem by analyzing film production techniques as well
as the psychology of audition. We also incorporate the idea of a
viewer memory model. We use both audio and video data for
segmentation. We've also developed algorithms for detecting
structural elements such as dialogues.
- Stochastic Film Analysis: We've
investigated the stochastic characteristics of shots in terms of
their duration, descriptive complexities, Analysis of the
distributions yield algorithms that enable to sub-sample the
original shot sequence. This is done in conjunction with audio
analysis and while preserving scene boundaries.
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Shot Condensation: Given
a sub-sampling of shots, how to determine the duration of each shot
and the transitions (i.e. fades etc.) between them? This is done by
determining an interesting relationship between the descriptive
complexity of a shot and decoding time time for that shot.
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