Robust Hiding of Fingerprint-Biometric Data into Audio Signals

  • Muhammad Khurram Khan
  • Ling Xie
  • Jiashu Zhang
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4642)


This paper presents a novel fingerprint-biometric template protection scheme, in which templates are concealed into audio signals. Fingerprint templates are encrypted by chaotic encryption and then hid into the chaotically selected random sampling points of the host audio signal by a new non-uniform discrete Fourier transform (NDFT)-based data hiding method. The template extraction process is completely blind and does not require original audio signal, thus the extraction depends on the secret key. Experimental results show that the proposed scheme is robust against common signal processing attacks and achieves higher verification accuracy.


Audio Signal Watermark Scheme Authentication System Biometric Data Biometric System 
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 2007

Authors and Affiliations

  • Muhammad Khurram Khan
    • 1
    • 2
  • Ling Xie
    • 2
  • Jiashu Zhang
    • 2
  1. 1.Research Group for Biometrics & Security Engineering, Bahria University, Dept. of Computer Science & Engineering, 13- National Stadium Road, KarachiPakistan
  2. 2.Sichuan Key Lab of Signal & Information Processing, Southwest Jiaotong University, Chengdu 610031China

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