Video copyright protecting and monitoring system in digital television

A digital TV and copyright protection technology, applied in the field of information security, can solve the problems that encryption technology loses the meaning of content protection, achieve the effect of wide coverage, low economic cost, and realization of copyright protection

Inactive Publication Date: 2009-06-24
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, encryption technology loses its meaning for content protection

Method used

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  • Video copyright protecting and monitoring system in digital television
  • Video copyright protecting and monitoring system in digital television
  • Video copyright protecting and monitoring system in digital television

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Embodiment Construction

[0033] The present invention will be further described in detail below with reference to the drawings and examples.

[0034] Such as figure 1 As shown, the system of the present invention includes a user registration and login module 300, a copyright monitoring module 400, a watermark embedding module 500, and a digital TV receiving terminal 600. Each part is described in further detail below.

[0035] The registration and authorization module 300 is used to allow the copyright owner to register and log in. After the copyright owner logs in, he registers, cancels, or authorizes his TV program content. The copyright owner owns the copyright to his recorded program and has the right to permit a certain TV station to broadcast the program in order to obtain the corresponding rights. In the present invention, the television station or other organization with similar functions that obtains and provides video broadcasting is called "content provider", and the user, who is the recorder ...

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Abstract

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.

Description

Technical field [0001] The invention belongs to the technical field of information security, and specifically relates to a video copyright protection and monitoring system in digital television. Background technique [0002] Digital TV is a new generation TV system that adopts digital coding and digital transmission technology from the recording and broadcasting of TV programs to transmission and reception. Digital TV has many characteristics of high-quality video, channel digital sound and additional interactive information. The use of digital TV technology not only enables various TV equipment to obtain higher technical performance than the original analog equipment, but also has two-way that cannot be achieved by analog technology. New features such as interaction. On June 12, 2003, the State Administration of Radio, Film and Television issued the "Timetable for the Transition of my country's Cable TV to Digitalization", which clearly stated that: in 2010, digital broadcast an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/16H04N5/913H04N5/00H04N21/442H04N21/454H04N21/462
Inventor 凌贺飞邹复好卢正鼎肖尚勤李平
Owner HUAZHONG UNIV OF SCI & TECH
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