Hiroshi Mo Fuminori Yamagishi Ichiro Ide Norio Katayama Shin'ichi Satoh Masao Sakauchi Key Image Extraction from a News Video Archive for Visualizing Its Semantic Structure. 650-667 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3331&spage=650 2004 conf/pcm/2004-1 PCM (1) db/conf/pcm/pcm2004-1.html#MoYIKSS04