Watermarking algorithm of several components based on DWT for color image - 文章详情页

作者：

Sun, Guang-Min (Sun, Guang-Min.) (学者：孙光民) | Yu, Yao (Yu, Yao.) | Liu, Wei-Ping (Liu, Wei-Ping.) | Deng, Chao (Deng, Chao.)

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摘要：

Being　aimed　at　the　deficiency　of　the　color　image　watermarking　algorithm,　this　paper　proposes　a　digital　watermarking　embedding　algorithm　based　on　Discrete　Wavelet　Transform　(DWT)　for　color　image,　by　using　the　larger　information　characteristic　of　color　image.　The　original　color　image　is　transformed　into　the　YIQ　color　space,　and　the　watermark　was　embedded　in　both　Y　component　and　Q　component.　The　algorithm　proposed　in　this　paper　can　contain　more　embedding　intensity　and　be　invisible.　The　experimental　results　show　that　the　watermarks　are　robust　against　JPEG,　filter,　crop　procession　and　noise　etc.

关键词：

Algorithms Digital watermarking Discrete wavelet transforms Image processing

作者机构：

[ 1 ] [Sun, Guang-Min]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Yu, Yao]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Liu, Wei-Ping]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Deng, Chao]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100022, China

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