科研之友
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摘要
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.
- 出版日期2013-5
- 单位杭州电子科技大学
