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Perceptual Shaping in Digital Image Watermarking Using LDPC Codes and Genetic Programming

  • Imran Usman
  • Asifullah Khan
  • Rafiullah Chamlawi
  • Tae-Sun Choi
Part of the Advances in Intelligent and Soft Computing book series (AINSC, volume 58)

Abstract

In this work, we present a generalized scheme for embedding watermark in digital images used for commercial aims. Genetic Programming is used to develop appropriate visual tuning functions, in accordance with Human Visual System, which cater for watermark imperceptibility-robustness trade off in the presence of a series of probable attacks. The use of low-density parity check codes for information encoding further enhances watermark robustness. Experimental results on a dataset of test images show marked improvement in robustness, when compared to the conventional approaches with the same level of visual quality. The proposed scheme is easy to implement and ensures significant robustness for watermarking a large number of small digital images.

Keywords

Genetic Programming Watermark Scheme LDPC Code Digital Watermark Watermark Embedding 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Imran Usman
    • 1
  • Asifullah Khan
    • 1
    • 2
  • Rafiullah Chamlawi
    • 1
  • Tae-Sun Choi
    • 2
  1. 1.Department of Computer and Information SciencesPakistan Institute of Engineering and Applied SciencesPO NilorePakistan
  2. 2.Department of MechatronicsGwangju Institute of Science and technologyGwangjuRepublic of Korea

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