| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique capable of easily and accurately retrieving relevant content. <P>SOLUTION: An information processor reproduces any of plural pieces of content composed of a moving image and added with additional information relevant to the moving image. At that time, the information processor obtains a still image at any point in the content under reproduction, identifies one or plural objects in the still image, classifies the identified objects into each type, obtains the additional information held corresponding to the types of the identified objects from a relevance information holding table holding the additional information and the relevance of each type for each object type, and generates a retrieval condition on the basis of the additional information. Then, the information processor retrieves content relevant to the content under reproduction among the plural pieces of content according to the generated retrieval condition, and displays the retrieval result on a display. <P>COPYRIGHT: (C)2012,JPO&INPIT |
