| 摘要 |
<P>PROBLEM TO BE SOLVED: To accurately detect an interest section in the content by adequately recognizing a change of a facial expression of a viewer who is viewing the content. <P>SOLUTION: The device includes: an image data acquisition part 301 for acquiring frame image data for every frame or every multiple frames from viewer video in which a viewer who is viewing the content appears as a subject; an image feature amount calculation part 303 for, on the basis of a viewer facial image included in the frame image data acquired by the image data acquisition part 301, calculating image feature amount; an image feature amount evaluation part 304 for calculating a facial expression change degree that is a distance from a boundary surface acquired by previously performing machine learning of a teacher facial image that is teacher data to the image feature amount calculated by the image feature amount calculation part 303; and a viewer state detection part 306 for, on the basis of the facial expression change degree calculated by the image feature amount evaluation part 304 and a facial expression change degree threshold value that is previously set, determining whether there is a viewer's interest in the content and detecting an interest section. <P>COPYRIGHT: (C)2013,JPO&INPIT |
