Dissertation > Excellent graduate degree dissertation topics show

Research on Digital Watermarking Algorithm Based on Chaos

Author: ChenSi
Tutor: ZhangCuiFang
School: Southwest Jiaotong University
Course: Communication and Information System
Keywords: information hiding digital watermarking Chaotic Sequence DCT Arnold
CLC: TP309
Type: Master's thesis
Year: 2005
Downloads: 211
Quote: 6
Read: Download Dissertation

Abstract


The digital media has become a main way for information communication along with the wide use of network. This thesis is concerned with one of the most important branch of information hiding, the digital watermarking technology, with emphasis on its applications in digital images.Firstly, this Paper introduces background of research of digital watermarking technologies, describes the basic concepts and classification of digital watermarking, as well as application fields and development of digital watermarking, formulates the design principles and methods of digital watermarking , and analyses the performance of digital image watermarking algorithm. Then, based on the existing watermarking algorithms , two invisible image watermarking schemes based on chaotic in DCT transform domain are proposed, one is adaptive image digital watermarking algorithm based on chaotic sequence , the other is color image watermarking algorithm based on chaotic. Finally, the good performance of the two algorithms is verified by some common image processing and attack experiments.In this paper an improved algorithm in DCT domain based on chaotic sequence is proposed. Exploiting some characteristics of Human Visual System (HVS) and DC components having much larger perceptual capacity than any AC components, watermark is adaptive embedded into the DC components of the original image. The experimental results show that the watermarks are invisible

Related Dissertations

  1. The Research of Vector CAD Electronic Drawing Protection System,TP391.72
  2. Research on Image Digital Watermarking Technology Based on CUDA,TP309.7
  3. Researches and Application on PKI and Digital Watermarking in the Electronic Seal System,TP309.7
  4. Based on Contourlet Transform Digital Watermarking Method,TP309.7
  5. Research on Blind Watermarking Technique of Digital Images Based on Contourlet Transform,TP309.7
  6. Research on the Application of Image Information Hiding Technique,TP309.7
  7. Research on Contourlet Transform and Its Application on Image Processing,TP391.41
  8. Research and Embedded Implementation of Image Watermark Algorithm,TP309.7
  9. Digital image forensics technology research,TP391.41
  10. Research on Information Hiding Based on Images,TP309.7
  11. Information Hiding Technology Application in HTML Tags,TP309.7
  12. The Research of Information Hiding Algorithm Based on Noise Visibility Function and the Independent Component Analysis,TP391.41
  13. The Research and Application of 3G WebMapper Platform Based on SOA,P208
  14. The Study and Application of Neural Network Based Color Image Watermarking,TP309.7
  15. Nonlinear color image watermarking detection program of study,TP309.7
  16. Audio watermarking study nonlinear detector,TP309.7
  17. Researching of Image Digital Watermarking Algorithm Based on the DCT Domain,TP309.7
  18. The Study of Image Watermark Base on Discrete Wavelet Transformation,TP309.7
  19. Research on Security Policy in Wireless Sensor Networks Based on Digital Watermarking Technology,TN915.08
  20. The Design and Implement of Highway Capture with Digital Watermarking Application,TP311.52
  21. Heart Sounds Digital Watermarking Processing Technology,TP309.7

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