基于数字图像的数字水印技术

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数字图像水印技术是指在数字图像中嵌入秘密信息-水印(watermark)来证实该数字图像的所有权.这种被嵌入的水印可以是一段文字、标识、序列号等,而且这种水印通常是不可见或不可察的,它与数字图像紧密结合并隐藏其中,并可以经历一些不破坏源数据使用价值或商用价值的操作而能保存下来.1993年由Caronni率先提出数字水印概念,数字水印的出现引起了科学界的极大关注,很多人投入到数字水印技术的研究中去.数字水印的应用也已经由数字图像领域发展到数字音频,数字视频领域.数字水印技术在版权保护、真伪鉴别、秘密通信和隐
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