Fusion of LSB and DWT Biometric Watermarking Using Offline Handwritten Signature for Copyright Protection

  • Authors:
  • Cheng-Yaw Low;Andrew Beng-Jin Teoh;Connie Tee

  • Affiliations:
  • Faculty of Information Science and Technology, Multimedia University, Melaka, Malaysia 75450;Electrical and Electronic Engineering Department, Yonsei University, Seoul, South Korea;Faculty of Information Science and Technology, Multimedia University, Melaka, Malaysia 75450

  • Venue:
  • ICB '09 Proceedings of the Third International Conference on Advances in Biometrics
  • Year:
  • 2009

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Abstract

Biometric watermarking was introduced as the synergistic integration of biometrics and digital watermarking technology. This paper proposes a novel biometric watermarking technique, which embeds offline handwritten signature in host image for copyright protection. We propose to combine the conventional LSB-based and DWT-based watermarking techniques into a unison framework, which is known as LSB-DWT in this paper. The proposed LSB-DWT technique is evaluated against various simulated security attacks, i.e. JPEG compression, Gaussian low-pass filtering, median filtering, Gaussian noise, scaling, rotation and cropping. The experimental results demonstrate that the proposed LSB-DWT technique exhibits remarkable watermark imperceptibility and watermark robustness.