Dissertation > Excellent graduate degree dissertation topics show

Research and Application of Video Digital Watermarking Technology Using in the Copyright Protection

Author: YeQing
Tutor: HuangXiaoFang
School: Wuhan University of Technology
Course: Signal and Information Processing
Keywords: Video Digital Watermarking Discrete Cosine Transform (DCT) MPEG-4 Copyright Protection
CLC: TP309.2
Type: Master's thesis
Year: 2008
Downloads: 295
Quote: 2
Read: Download Dissertation

Abstract


This paper studied the video digital watermarking technology and its applications. Discussed the digital watermarking technology on the current status. Analysised the basic principles of video watermarking technology, characteristics of the video watermarking algorithm. Researched the requirements of the video digital watermarking and today’s typical algorithm. The MPEG-4 video watermarking application in the field of digital copyright protection value is also researched. Researched on MPEG-4 motion picture compression technology, discussed the new technology of the requirements in the video watermarking technology brings from the MPEG-4 standard.First, comparison of the classic video watermarking algorithms for analysis, research and realization of a DC-based DCT domain component of digital watermarking technology, learned from its blocking the original image brightness to 8×8 pixels, then broken down into four 4×4 small pieces of pixels, designed the video watermarking technology programme based on DCT domain, and through MATLAB simulation experiments. This programme will be through embedded the watermarking in video object on the DC coefficient of DCT of the I-frame brightness, conjunction with the principle of least significant bit(LSB) algorithm, embedded the watermark in the lowest DC coefficient, the computing complexity of embedding watermarking is lower, and the requirements of real-time video watermarking is also largely meet. Simulation results show that after, the image with the watermarking embedded suffered several of common attacks, such as, Gaussian noise, Salt and Pepper noise, sharpening attacks, shearing, and the watermarking information can be extracted, and good vision can distinguish. Description of the programme has a good robust.Then, followed by the study based on the classic video coding standard compressed domain watermarking options, the lessons embedded in the template of its synchronization technology and drift compensation technology to design and realize a compressed domain video watermarking scheme. Embedding, the use of spread spectrum watermarking technology to raise the security of watermarking sequence, the use of the template synchronization technology will embedded the synchronize information with watermarking in video object, and then the use of drift compensation to eliminate the interference and visual Degraded due to intra-video object in the plane I-VOP AC / DC coefficient frame video projections and forecasts object plane P-VOP, predicted two-way video object plane B-VOP motion compensation encoding. In the experiment, because the reasons for embedding the time, the simulation of the video frame only in a few frames were embedded watermarking. Simulation results show that after the image with the watermarking embedded suffered several of common attacks, such as, Gaussian noise, Salt and Pepper noise, frame extraction, improve contrast, the watermarking information can be extracted, and good vision can distinguish. The programme meets the requirements of the video watermarking in not visible in the visual and robust.

Related Dissertations

  1. Preparation of Enrofloxacin Sustained-release Preparations and Its Pharmacokinetics,R96
  2. The Design and Implementation of the Single-chip MPEG2 Video Encoder,TN919.81
  3. The Research and Application of the Transmission and Distribution for Multiple-Concurrent Flows Based on IPv6,TN949.292
  4. The Research on Digital Watermarking Technology for Relational Database,TP309.7
  5. 3D Facial Animation Generation Design and Implementation,TP391.41
  6. Design and implementation of monitoring vehicle with multimedia terminals,TP37
  7. Technological Measures and Copyright Protection,D913
  8. High Efficiency 3D Video Representation and Coding,TN919.81
  9. The Design of Network Video Monitor System Based on MPEG-4,TP277
  10. Embedded video decoder motion compensation process data layout optimization,TN919.81
  11. Contains curcumin MPEG-P (CL-co-PDO) polymeric micelles research,R283
  12. TILE Pro64 based on multi-core processors for 3G video transcoding server software design,TP393.05
  13. Research of Damage Efficiency by Livin/Survivin RNA Interference on Colorectal Cancer Cell Mediated by mPEGylated-chitosan Nanoparticles,R735.34
  14. Research on China’s Ebook Profit Model in the Digital Copyright Environment,G237.6
  15. Research on Ontology-based Description and Retrieval of Surveillance Video and Development of Streaming Media Release Platform,TN919.8
  16. The Realization of Audio/Video Synchronization for MPEG-2,TN949.197
  17. Network literature research its copyright protection mode,D923.41
  18. Research on Multimedia Encryption Technology Base on Chaotic Theory,TN918.1
  19. The Design and Implementation of the Embedded MPEG-4 Video Codec System Based on VW2010,TN919.81
  20. Embedded Remote Video Monitoring System Design and Implementation,TP277
  21. Research on Key Technology of Bluetooth Video Transmission System,TN919.81

CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > General issues > Security and confidentiality > Data security
© 2012 www.DissertationTopic.Net  Mobile