Patent ID: 6658135
Filing Date: 2003-12-02
Classification: G06T,H04N

Abstract:
A recording device for picking up an image and converting the image to digital picture data comprising:digital watermarking means for embedding related information on said digital picture data in said digital picture data by a digital watermarking technique; and storing means for storing said digital picture data in which said related information has been embedded, wherein said digital watermarking means divides said digital picture data into a plurality of areas, divides said related information on said digital picture data into a plurality of segments so that each segment corresponds to the respective areas of the plurality of said divided areas, embeds corresponding segments of said related information divided into the plurality of areas in the plurality of said areas respectively, and integrates the plurality of said areas in each of which said corresponding segment of said related information has been embedded to generate the digital picture data in which said related information has been embedded.