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  • 标题:A Watermarking Algorithm Based on Wavelet and Hadamard Transform for Color Image
  • 本地全文:下载
  • 作者:Hongshou Yan ; Weimin Yang
  • 期刊名称:Journal of Software Engineering and Applications
  • 印刷版ISSN:1945-3116
  • 电子版ISSN:1945-3124
  • 出版年度:2013
  • 卷号:6
  • 期号:3B
  • 页码:58-61
  • DOI:10.4236/jsea.2013.63B013
  • 出版社:Scientific Research Publishing
  • 摘要:Digital image watermarking is a useful solution to the problem of information security, copyright and network security. In this paper, we propose a watermarking algorithm for color image based HT and DWT. A binary image as watermark is embedded into green component or blue component of color image. The algorithm can satisfy the transparence and robustness of the watermarking system very well. The experiment based on this algorithm demonstrates that the watermarking is robust to the common signal processing techniques including JPEG compressing, adding noise, low pass filter, and mosaic.
  • 关键词:Digital Watermarking; Hadamard Transform(HT); Discrete Wavelet Transform(DWT); Color Image; Copyright Protection
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