Patent ID: 7062068
Filing Date: 2006-06-13
Classification: G06T,G11B,H04N

Abstract:
1. A digital watermark decoding system for use in data processing apparatus for performing at least one of a data recording process, a data playing-back process, and a data inputting/outputting process, in which copy control information represented in digital watermark information is detected, and copying of data is controlled in accordance with the detected copy control information included in the digital watermark information, said digital watermark decoding system detecting a digital watermark embedded in a content and outputting detected copy control information as control information applied to a content to be processed, said digital watermark decoding system comprising: when the digital watermark information output from the digital watermark information analysis means is undefined, and when a content to be processed includes copy control information, added thereto, other than digital watermark information, the copy control information other than the digital watermark information is employed as control information to be applied to the content.