Fast communication: Analyzing and removing SureSign watermark

Authors:
Li Li;Ying-Ying Ma;Chin-Chen Chang;Jian-Feng Lu
Affiliations:
Institute of Computer Graphics and Image Processing, Hangzhou Dianzi University, Hangzhou 310018, China;Institute of Computer Graphics and Image Processing, Hangzhou Dianzi University, Hangzhou 310018, China;Department of Information Engineering and Computer Science, Feng Chia University, Taichung 20724, Taiwan ROC and Department of Computer Science and Information Engineering, Asia University, Taichu ...;Institute of Computer Graphics and Image Processing, Hangzhou Dianzi University, Hangzhou 310018, China
Venue:
Signal Processing
Year:
2013

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Abstract

Digital image watermarking techniques for copyright protection are in widespread use. Commercial SureSign watermark software is strongly robust. However, we analyze its frequency domain features and propose an effective method to remove the SureSign watermark. Experimental results show the quality of image is good after the watermark is removed.