1) Toshio Sato, Takeo Kanade, Ellen K. Hughes, and Michael A. Smith, Video OCR for Digital News Archives, Proceeding of the IEEE workshop Content-based Access of Image and Video Databases, pp.52-60, Bombai, Janualy, 1998.

2) Toshio Sato, Takeo Kanade, Ellen K. Hughes, Michael A. Smith and Shin'ichi Sato, Video OCR: Indexing Digital News Libraries by Recognition of Superimposed Caption, Multimedia Systems, Vol.7, pp.385-395, 1999.

3) Yuichi Nakamura and Takeo Kanade, Semantic Analysis for Video Contents Extraction Spotting by Association in News Video, Proceeding of ACM Multimedia Conference, Seattle, November, 1997.

You can refer to MM97 web site.