Method of protecting MPEG-2 video data
A technology of MPEG-2 and video data, applied in image data processing, image data processing, digital video signal modification, etc., can solve problems such as low efficiency and error-prone, and achieve good robustness, low complexity, and invisible Good performance and robustness
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[0044] Digital TV is the development direction of TV in the future, but while digital TV brings great convenience to society and people, it also brings convenience to piracy and illegal use of information. The copyright protection of digital TV content is of great significance. When a TV station produces a TV program, it can embed its own copyright information as a watermark into the TV signal. When a similar signal is found, the watermark can be detected to determine the ownership of the copyright.
[0045] Advertising has a wide and deep impact on the society and the public, so it must be effectively supervised. At the same time, TV advertisements have important commercial value for enterprises. The broadcast of advertisements usually costs a fortune. One of the most concerned issues for advertisers is whether their advertisements are broadcast as scheduled or not, which requires effective monitoring methods.
[0046] When the advertisement is submitted for review, the ind...
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