Flow media digital watermark information embedding method
A technology of digital watermarking and information embedding, which is applied in the fields of digital video signal modification, image communication, image data processing, etc. It can solve the problems of video information statistics, high computational complexity of algorithms, and inability to destroy the content of multimedia files, and achieve computational complexity. Low, high availability, high implementability effects
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[0039] As known to those skilled in the art, the streaming media includes video streaming media and audio streaming media. This embodiment mainly takes video streaming media as an example to describe the method for embedding digital watermarks in the present invention in detail.
[0040]As mentioned above, the video streaming media is transmitted to the client through the video server and network, and played by the streaming media player of the client. The content of described video stream media is made up of a large amount of frames, and the standard format of video stream media is shown in conjunction with Fig. 1 and Fig. 2, and its frame comprises main frame and differential frame, and described main frame refers to picture in video file Each pixel on the frame has a frame represented by data, which shows the basic image and serves as a reference image for the subsequent difference frame, that is, a single main frame is a complete picture; and the difference frame record is ...
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