Image Watermarking Algorithm Resistant to Geometric Attacks
[1]LI Chuanmu,SONG Haiming,HONG Contact,et al.Image Watermarking Algorithm Resistant to Geometric Attacks[J].Journal of Zhengzhou University (Engineering Science),2009,30(02):75-79.
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
30
Number of periods:
2009年02期
Page number:
75-79
Column:
Public date:
1900-01-01
- Title:
- Image Watermarking Algorithm Resistant to Geometric Attacks
- Keywords:
- digital watermarks; Scale invariant feature transformation; geometric attacks; Feature area
- CLC:
- -
- DOI:
- -
- Abstract:
- An adaptive robust watermarking algorithm based on scale invariant feature transformation (SIFT) and wavelet transform is proposed to resist geometric attacks. Firstly, the SIFT algorithm is used to extract stable feature points from the carrier image. Then, the size and direction of each local feature area are determined according to the feature scale and direction adaptation. Finally, the feature regions with large feature scales that do not overlap with each other are selected, and the watermark is embedded in each local feature region by quantifying the wavelet coefficient. Simulation results show that the algorithm not only has good transparency, but also has strong ability to resist conventional signal processing and geometric attacks.
- References:
- -
- Similar References:
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Last Update:
1900-01-01