Patent ID: 6611830
Filing Date: 2003-08-26
Classification: G06F,Y10S

Abstract:
A computer-implemented information search processing method for registering information related to multimedia data defining a Web page with recognizable fixed-pattern data having code information associated therewith in a database, said method comprising the steps of:(a) in response to a request from a requester, embedding perceptually unrecognizable code information using a digital watermark in perceptually recognizable fixed-pattern data mounted in said multimedia data including at least one of character data, still image data, moving image data and audio data, and sending said multimedia data embedded with said code information to the requester; (b) registering information related to said multimedia data embedded with said code information in the database, in correspondence with said code information; and (c) in response to a search request from a requester, searching said database on specified code information to extract information on said multimedia data corresponding to the specified code information, and sending the extracted information to the requester, wherein said fixed-pattern data, embedded with said code information using said digital watermark, is a mark image in the form of a still image.