By Topic

Threading and autodocumenting news videos: a promising solution to rapidly browse news topics

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3 Author(s)

This paper describes the techniques in threading and autodocumenting news stories according to topic themes. Initially, we perform story clustering by exploiting the duality between stories and textual-visual concepts through a co-clustering algorithm. The dependency among stories of a topic is tracked by exploring the textual-visual novelty and redundancy of stories. A novel topic structure that chains the dependencies of stories is then presented to facilitate the fast navigation of the news topic. By pruning the peripheral and redundant news stories in the topic structure, a main thread is extracted for autodocumentary

Published in:

Signal Processing Magazine, IEEE  (Volume:23 ,  Issue: 2 )