Contents Character Information Acquisition Method, Contents Character Information Acquisition Program, Contents Character Information Acquisition Apparatus, and Video Content Recording Apparatus

摘要

The present invention provides a contents character information acquisition method including the steps of extracting content feature information indicative of an image making up video content in accordance with a predetermined extraction algorithm, detecting, from a database in which given-image feature information extracted from a given image in accordance with the extraction algorithm is related with image text information indicative of contents of the given image, the given-image feature information that is similar to the content feature information, and acquiring, as contents character information indicative of the contents of the image from which the content feature information has been extracted, the image text information related with the given-image feature information detected in the detection step from the database.