• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 20 Issue 3
Jun.  2007
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Article Contents
ZHANG Zutao, ZHANG Jiashu, HE Hongjie. Safety of Facial Images Based on Fragile Digital Watermarking[J]. Journal of Southwest Jiaotong University, 2007, 20(3): 340-344.
Citation: ZHANG Zutao, ZHANG Jiashu, HE Hongjie. Safety of Facial Images Based on Fragile Digital Watermarking[J]. Journal of Southwest Jiaotong University, 2007, 20(3): 340-344.

Safety of Facial Images Based on Fragile Digital Watermarking

  • Received Date: 24 Oct 2005
  • Publish Date: 25 Jun 2007
  • Fragile digital watermarking for facial image authentication was applied to oppose various attacks to facial images,such as tamper,substitution and addition and to improve the security of facial images.The water mark is obtained by converting the 7 most significant bits(MSB) of the low-frequency wavelet coefficients of the original image into a binary sequence.The water mark is scrambled by a chaotic key,and embedded into the least significant bits(LSB) of the original facial image to detect tamper and the tampered zone.Experimental results show that the facial image with fragile digital watermarks formed by the proposed method is highly sensitivity to tamper,substitution and addition.The embedded fragile digital watermarks have a little negative effect on feature extraction,detection rate and detection speed during face recognition.

     

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