By moving image analysis, acoustic/speech analysis, or text analysis for multimedia information in a database, feature data representing the type of information is acquired, and the feature data is stored into the database added to the multimedia information. A search engine extracts partial images of...http://www.google.es/patents/US7209942?utm_source=gb-gplus-sharePatente US7209942 - Information providing method and apparatus, and information reception apparatus
Information providing method and apparatus, and information reception apparatus