Journal
MULTIMEDIA TOOLS AND APPLICATIONS
Volume 60, Issue 1, Pages 31-46Publisher
SPRINGER
DOI: 10.1007/s11042-011-0794-1
Keywords
Digital watermarking; Subsampling; DWT; Collusion
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Funding
- National Natural Science Foundation of China (NSFC) [60803136]
- Guangzhou Science and Technology Program [2009J1-C541-2]
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This paper presents a robust digital image watermarking scheme based on subsampling and DWT. Subsampling is firstly used to construct a subimage sequence as a video segment. Then, a random watermark sequence satisfied with Gaussian distribution is block-wised embedded into the DWT domain of these subimages repeatedly using the video watermarking technique. And watermark is detected through computing correlation between watermark and watermarked frames. The experiment results demonstrate that the proposed scheme achieves good robustness against JPEG compression, common image processing operation and geometric distortions. Furthermore, the proposed watermarking scheme is also robust against linear collusion and other video watermarking attacks.
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