INFORMATION PROCESSOR, INFORMATION PROCESSING PROGRAM, AND INFORMATION PROCESSING SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide an information processor for presenting video information and the like corresponding to a retrieval key. SOLUTION: The information processor is provided with: a key receiving part 221 for storing key information received from a video recorder/reproducer 100 to a key storage part 251; an acquisition part 222 for acquiring contents; an extraction part 223 for extracting a feature amount from a target content; a detection part 224 for detecting a feature amount in which correspondence to a feature amount included in the stored key information is larger than a prescribed threshold out of extracted feature amounts and detects range information indicating a range occupied in a content to be the target content that is an extraction origin of the detected feature amounts; an association generation part 225 for acquiring the target content corresponding to the detected range information and associates the key information which includes the feature amount where the correspondence to feature amount extracted from the acquired content includes a feature amount larger than the threshold; and a presentaion part 226 for presenting the key information selectably on the basis of association information. COPYRIGHT: (C)2008,JPO&INPIT