Volume 6 Number 9 (Sep. 2011)
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JSW 2011 Vol.6(9): 1805-1812 ISSN: 1796-217X
doi: 10.4304/jsw.6.9.1805-1812

A Geometric Distortion Resilient Image Watermark Algorithm Based on DWT-DFT

Yuping Hu1, Zhijian Wang1, Hui Liu2, Guangjun Guo3
1Guangdong Province Key Lab of EC Market Application Technology, GuangDong University of Business Studies Guangzhou, 510320, China; Hangzhou Key Lab of E-Business and Information Security, Hangzhou Normal University Hangzhou, 310036, China
2Department of Electronics and Communication Engineering, Changsha College, Changsha Hunan 410003, China
3Department of Computer Science and Technology, Hunan Institute of Humanities, Science and Technology Loudi, Hunan 41700, China


Abstract—In this paper, a robust watermarking algorithm against geometric distortions and common signal processing is proposed. This algorithm is based on two method to solve the synchronization of the original watermarking images and test images in the wavelet domain watermarking. One method, which estimates rotation and scaling based on embedding a template in a circle of middle frequency in DFT, One method which estimates translation based on extracting an invariant centroid from a restricted area inside the image. In the embedding process, a watermark is embedded adaptively in low band of DWT domain, according to the conceal quality of Human Visual System (HVS).The experiment results show robustness against common signal processing attacks , several geometric distortions and some combination attacks, Also the comparison with the prior algorithms shows the better performance of the proposed algorithm.

Index Terms—Digital watermarking; Wavelet transform; Direct Fourier transform; Geometric distortions

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Cite: Yuping Hu, Zhijian Wang, Hui Liu, Guangjun Guo, "A Geometric Distortion Resilient Image Watermark Algorithm Based on DWT-DFT," Journal of Software vol. 6, no. 9, pp. 1805-1812, 2011.

General Information

ISSN: 1796-217X (Online)
Frequency:  Bimonthly (Since 2020)
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, Google Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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