EWA: An exemplar-based watermarking attack

In this paper, we used image inpainting as a means for reconstruction of small damaged portions of a watermarked image so that the hidden watermark is not detectable afterwards. Our new watermarking attack algorithm extends the exemplar-based inpainting method, and then we apply it to intended noisy...

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Bibliographic Details
Main Authors: Taherinia, A. H., Jamzad, M.
Format: Conference Proceeding
Language:English
Subjects:
Benchmark testing
Benchmarks
Image edge detection
Image inpainting
Image segmentation
PSNR
Robustness
Watermarking
Watermarking attacks
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Summary:In this paper, we used image inpainting as a means for reconstruction of small damaged portions of a watermarked image so that the hidden watermark is not detectable afterwards. Our new watermarking attack algorithm extends the exemplar-based inpainting method, and then we apply it to intended noisy watermarked images to alter the watermark detection process. Our approach is completely free from any pre-assumption on the watermarking algorithm or any other parameters that is used during the watermark embedding procedure. The average PSNR/SSIM of the watermarked image after applying the proposed attack is more than 35/0.98 and the average NC for extracted watermark is lowers than 0.5, so theoretically, the watermark is not detectable.
DOI:10.1109/ICIMU.2011.6122766