DIGITAL_WATERMARKING

作品数:67被引量:95H指数:5
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相关作者:张达治孙晓燕邵辰陈立全卢苗更多>>
相关机构:湖南大学华中科技大学华中师范大学吉林大学更多>>
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相关基金:国家自然科学基金国家高技术研究发展计划福建省自然科学基金北京市自然科学基金更多>>
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  • 期刊=Chinese Optics Lettersx
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An optimal adaptive quantization index modulation watermarking algorithm
《Chinese Optics Letters》2009年第7期580-584,共5页朱少敏 刘建明 
A novel adaptive watermarking algorithm in discrete wavelet transform (DWT) based on quantization index modulation (QIM) technique is presented. The host image is decomposed into wavelet subbands, and then the app...
关键词:Adaptive algorithms Digital watermarking Discrete wavelet transforms WATERMARKING 
Copyright protection in digital museum based on digital holography and discrete wavelet transform
《Chinese Optics Letters》2008年第4期251-254,共4页李志斌 夏飞 郑刚 张军勇 
the Program of Shanghai Municipal Education Commission under Grant No.05LZ12.
A new method to protect the copyright of digital museum based on digital holography is proposed. The Fresnel hologram of watermark image is embedded in the object to be protected through discrete wavelet transform (...
关键词:Copyrights Digital watermarking Discrete wavelet transforms HOLOGRAMS HOLOGRAPHY 
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