Yoshihiko Hayashi, K. Ohtsuki, K. Bessho, Osamu Mizuno, Y. Matsuo, S. Matsunaga, Minoru Hayashi, T. Hasegawa, Naruhiro Ikeda
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Speech-based and video-supported indexing of multimedia broadcast news
This paper describes an automatic content indexing system for news programs, with a special emphasis on its segmentation process. The process can successfully segment an entire news program into topic-centered news stories; the primary tool is a linguistic topic segmentation algorithm. Experiments show that the resulting speech-based segments are fairly accurate, and scene change points supplied by an external video processor can be of help in improving segmentation effectiveness.
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