Speech-based and video-supported indexing of multimedia broadcast news

Authors:
Yoshihiko Hayashi;Katsutoshi Ohtsuki;Katsuji Bessho;Osamu Mizuno;Yoshihiro Matsuo;Shoichi Matsunaga;Minoru Hayashi;Takaaki Hasegawa;Naruhiro Ikeda
Affiliations:
NTT Cyberspace Laboratories, NTT Corporation, Kanagawa, Japan;NTT Cyberspace Laboratories, NTT Corporation, Kanagawa, Japan;NTT Cyberspace Laboratories, NTT Corporation, Kanagawa, Japan;NTT Cyberspace Laboratories, NTT Corporation, Kanagawa, Japan;NTT Cyberspace Laboratories, NTT Corporation, Kanagawa, Japan;NTT Cyberspace Laboratories, NTT Corporation, Kanagawa, Japan;NTT Cyberspace Laboratories, NTT Corporation, Kanagawa, Japan;NTT Cyberspace Laboratories, NTT Corporation, Kanagawa, Japan;NTT Cyberspace Laboratories, NTT Corporation, Kanagawa, Japan
Venue:
Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval
Year:
2003

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Abstract

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.