The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Holographic Forensic Mark based on DWT-SVD for Tracing of the Multilevel Distribution

다단계 유통 추적을 위한 DWT-SVD 기반의 홀로그래피 포렌식마크

  • 이덕 (연변대학교 컴퓨터과학과) ;
  • 김종원 (상명대학교 디지털저작권보호연구소)
  • Published : 2010.02.28
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Abstract

In this paper, we proposed a forensic mark algorithm which can embed the distributor's information at each distribution step to trace the illegal distribution path. For this purpose, the algorithm has to have the high capacity payload for embedding the copyright and user information at each step, and the embedded information at a step should not interfere with the information at other step. The proposed algorithm can trace the multilevel distribution because the forensic mark is generated by digital hologram and embedded in the DWT-SVD domain. For the high capacity embedding, the off-axis hologram is generated from the forensic mark and the hologram is embedded in the HL, LH, HH bands of the DWT to reduce the signal interference. The SVD which is applied the holographic signal enhanced the detection performance and the safety of the forensic mark algorithm. As the test results, this algorithm was able to embed 128bits information for the copyright and user information at each step. In this paper, we can embed total 384bits information for 3 steps and the algorithm is also robust to the JPEG compression.

본 논문은 다단계 불법유통 추적을 위하여 배포단계 마다 포렌식마크를 삽입하고 불법 유통시 삽입된 포렌식마크를 검출하여 유통경로 추적이 가능하도록 하는 방식을 제안한다. 단계마다 저작권 및 사용자 정보를 포함한 포렌식마크를 삽입해야 하므로 대용량의 정보 삽입이 필요하고, 또 단계마다 삽입된 정보들 사이에 신호간섭이 발생하지 않도록 하여야 정확한 검출이 가능하다. 제안방식은 포렌식마크로부터 디지털 홀로그램을 생성하여 DWT-SVD 도메인에 삽입하는 방식으로 다단계 불법유통 추적이 가능하도록 구성하였다. 대용량 정보 삽입을 구현하기 위하여 포렌식마크로부터 비축홀로그램(Off-axis Hologram)을 생성하고 단계별 유통추적이 가능하도록 홀로그램을 DWT(Discrete Wavelet Transform)도메인의 HL, LH, HH band에 삽입하여 신호간섭을 줄였다. 또 SVD(Singular Value Decomposition)를 홀로그램이 삽입된 신호에 적용하여 단계별 검출성능 및 안전성을 향상시켰다. 실험결과 각 단계별로 저작권 정보 및 사용자 정보로 활용이 가능한 128bit의 포렌식마크 삽입이 가능하여 3단계 배포에 총 384bit를 삽입하고 단계별로 정확한 검출이 이루어졌으며 JPEG압축에도 강인한 것으로 나타났다.

Keywords

References

  1. R. Karkarala and P. O. Ogunbona, "Signal Analysis Using a Multiresolution Form of the Singular Value Decomposition," IEEE Transactions on Image Processing, 10(5), pp. 724-735, May 2001. https://doi.org/10.1109/83.918566
  2. R. Liu and T. Tan, "A SVD-Based Watermarking Scheme for Protecting Rightful Ownership," IEEE Transactions on Multimedia, 4(1), pp.121-128, March 2002. https://doi.org/10.1109/6046.985560
  3. R. Mehul and R. Priti, "Discrete Wavelet Transform Based Multiple Watermarking Scheme," Proceedings of IEEE Region 10 Technical Conference on Convergent Technologies for the Asia-Pacific, Bangalore, India, October 14-17, 2003.
  4. B. Zhou and J. Chen, "A Geometric Distortion Resilient Image Watermarking Algorithm Based on SVD," Chinese Journal of Image and Graphics, Vol.9, pp.506-512, April 2004.
  5. A. Sverdlov, S. Dexter, and A. M. Eskicioglu, "Robust DCT-SVD Domain Image Watermarking for Copyright Protection: Embedding Data in All Frequencies," submitted to Multimedia Computing and Networking 2005 Conference, San Jose, CA, January 16-20, 2005.
  6. Nobukatsu Takai and Yuto Mifune, "Digital watermarking by a holographic technique," APPLIED OPTICS, pp.865-873, Feb. 2002.
  7. Kyu Tae Kim, JongWeon Kim, Soo Gil Kim and Jong Uk Choi, "Digital Watermarking using Off-axis Hologram", Journal of the Institute of Electronics Engineers of Korea SP, 41(3), pp. 183-194, May 2004.
  8. D. Gabor, "A New Microscope Principle," Nature, Vol.161, pp.777, 1948. https://doi.org/10.1038/161777a0
  9. E. N. Leith and J. Upatnieks, "Reconstructed Wavefronts and Communication Theory," J. Opt. Soc. Am, Vol.52, pp.1377, 1962. https://doi.org/10.1364/JOSA.52.001377