Real-time digital video watermarking method based on H.264 standard

Abstract

The technical scheme provides a real-time digital video watermarking method based on an H.264 standard, comprising the following steps of: embedding watermarking information obtained after processing and coding and used as secondary enhancing information into a secondary enhancing information (SEI) field of each frame by analyzing the H.264 protocol standard and using available information resources in the H.264 standard; and ensuring robustness and nonvisibility of watermarking on the condition that video quality and a code stream format are not influenced. The real-time digital video watermarking method based on the H.264 standard can effectively resist frame deletion attack, has a simple realization mode, is used for solving various problems in the prior art that spatial synchronous distortion and photometric distortion can not be effectively resisted. The technical scheme can be used for judging copyright ownership or hiding, secretly carrying and transmitting information, and the like.

Description

technical field [0001] The invention relates to a digital video watermarking method, in particular to a digital video watermarking method based on the H.264 standard, and belongs to the field of digital video processing. Background technique [0002] With the popularization of network communication, many traditional media contents have been transformed into digital, and will soon occupy a huge market share in e-commerce, such as online sales of mp3, vigorous promotion of digital theaters, sales of online pictures, e-books, etc., in wireless With the evolution of mobile networks from the second generation to the third generation, mobile users will be able to access digital media content on the Internet conveniently and quickly, and the application of digital media content based on wired or wireless networks will soon become a new tradition in the information age. However, the security of digital media content has become a bottleneck problem, restricting the progress of many c...

AI Technical Summary

Problems solved by technology

But there is no resistance to spatial synchronization distortion

[0009] From the above discussion, it can be seen that the traditional H.264 video watermarking technology is generally used to embed and extract watermarks in the air domain, transform domain and compression domain, and select appropriate algorithms to carry out, although the above methods can resist one or more types of watermarks to a certain extent. To a certain extent, it has better robustness and invisibility, but it is difficult to meet the user's satisfaction index, and it cannot effectively resist spatial synchronization distortion and photometric distortion at the same time.

In practical applications, such as video editing, video may undergo multiple transformations and processing, and photometric distortion and spatial synchronization distortion often occur simultaneously.

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