Video copyright protecting and monitoring system in digital television

The system uses digital watermarking technology to embed the copyright identification into the digital TV program. When displaying TV program, the digital TV receiving end extracts the watermarking signal and sents it to the copyright-supervising authority. The copyright-supervising authority gets t...

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Bibliographic Details
Main Author HEFEI,ZOU LING
Format Patent
LanguageEnglish
Published 20.09.2006
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:The system uses digital watermarking technology to embed the copyright identification into the digital TV program. When displaying TV program, the digital TV receiving end extracts the watermarking signal and sents it to the copyright-supervising authority. The copyright-supervising authority gets the information of copyright from the program, and according to the copyright supervising authority decides if it is legal, and then transmits the decision to the receiving end of digital TV. The invention features adding a digital watermarking extraction module and a playing control module into the digital TV receiving end.
Bibliography:Application Number: CN2006118787