| 摘要 |
<p>A change in the topics of image contents is detected by utilizing subtitles contained in images, and the contents are divided on every topics. At first, a scene-change point, at which scenes are highly changed by switching images, is detected from the image contents. Next, an average image of the frames one second before and after the scene-change point is formed and is used to detect it highly precisely whether or not the subtitles appear at the scene-change point. The sections, in which identical still subtitles appear, are detected to create the index information on the time period of the individual sections, at which the identical still subtitles appear.</p> |
