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Video Watermarking Method Against Copy Attack

Author: DingYuanYu
Tutor: ZhengXiaoShi
School: Shandong Institute of Light Industry
Course: Applied Computer Technology
Keywords: Video Watermarking Copy attack System development Watermarking algorithm
CLC: TP309.7
Type: Master's thesis
Year: 2011
Downloads: 32
Quote: 0
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Abstract


With the the network popularization and development , the sharing of digital products become more and more easy and frequent , copyright protection of multimedia works is imminent , digital watermarking technology as a primary means of copyright protection of digital products , to study the need for the more and more obvious . The watermark information hiding in digital works , and accompanied by the propagation and dissemination of digital works , watermarking techniques are susceptible to a variety of intentional or unintentional attacks . In order to ensure the robustness of the video watermark , the research is a crucial method of prevention of of video watermarking common attacks . The main content of this paper includes two parts : the first part is the analytical research background , research status , the basis of research , describes the basic principle of video watermarking typical algorithms , common types of attacks and study difficulty , and then elaborate video watermark a common attack - the implementation of the copy attack methods and the consequences of , and ultimately proposed an entirely new method of generating video watermarking , video watermarking system using the algorithm embedded watermark can effectively resist copy attack . The second part describes the \The features of the system is to achieve the same video can also choose from a variety of different watermarking algorithm to embed and extract the watermark , each algorithm can be embedded in the proportion of adjustable . \The goal of this thesis is to propose a new video watermarking algorithm , this algorithm can effectively resist copy attack , enhanced video watermarking robustness of the system , and provides a new way of thinking for the research methods of the watermark . Video watermarking system based on stochastic theory for random video watermark theoretical research provides the necessary tools, but also to enrich the experience of practical projects .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > General issues > Security and confidentiality > Encryption and decryption
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