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基于dct系数的数字水印算法实现,在matlab环境中实现-coefficient based on digital watermarking algorithm in Matlab environment to achieve
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图象水印的一种基于dct的简单算法例子
期望能对刚开始涉及数字水印的朋友有一点帮助-a watermark image based on a simple algorithm Extra examples can expect to start digital watermarking friends a little help
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一个用DCT的数字水印毕业论文。本文重点研究了基于DCT的低频水印算法、基于DCT的中频水印算法和基于DCT的自适应视频水印方案。-DCT with a digital watermark dissertation. This paper focuses on the low-frequency DCT-based watermarking algorithm, IF DCT-based watermarking algorithms and DCT-based Adaptive Video W
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这个文档是关于基于DCT数字水印算法的Matlab实现,里面详细介绍了它的原理及相应的算法-This document is about digital watermarking algorithm based on Matlab DCT implementation, which introduces the principle and its corresponding algorithm
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作为信息隐藏的重要分支,数字水印是一种有效的数字产品版权保护和数据安全维护技术。近年来数字水印技术成为了信息安全领域的研究热点,也得到了较大的发展。基于变换域的水印技术是目前研究的热点和重点。本文系统介绍了数字水印的原理和应用方法,概要介绍了数字水印的几种主流算法,并重点研究了一种基于离散余弦变换(DCT)数字图像水印算法,并借助 MATLAB编程工具,实现数字水印的嵌入和提取仿真,以及为测试鲁棒性而对水印图像进行攻击实验。-As an important branch of informati
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基于DCT和JPEG的脆弱性盲数字水印算法-Based on DCT and JPEG vulnerability of blind digital watermarking algorithm
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一篇介绍基于DCT域水印和文本水印算法的研究的硕士论文,提出多种新的水印算法-Introduced a master s thesis based on DCT domain watermark and text watermark algorithm is proposed a variety of new watermarking algorithm
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基于DCT中频系数的可定位和恢复的盲水印算法-Based on the DCT coefficient of intermediate frequency can be positioning and recovery blind watermarking algorithm is proposed
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基于DCT的数字水印基本代码框架,能够完整的嵌入水印信息、提取水印信息。可根据需要再此基础上修改算法。-DCT-based digital watermarking code framework, a complete embedded watermark information to extract the watermark information. According to the need for this based on the modified algorithm.
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基于关系的DCT域盲水印算法,盲水印要不可见的才可以。-Can only be based on the relationship between the DCT domain blind watermarking algorithm, blind watermark or else visible.
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Adaptive Blind Video Watermarking Algorithm based on DCT
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基于离散余弦变换的自适应盲视频水印算法Blind video watermarking algorithm based on adaptive discrete cosine transform-Blind video watermarking algorithm based on adaptive discrete cosine transform
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提出了一种基于纠错编码的DCT域数字水印算法,该算法在检测时不需要原始图像,实现了盲检。并且对水印图像进行了利用超混沌置乱处理,提高了安全性能和抗攻击能力。纠错编码的引入使水印抗攻击能力明显增强。
-DCT digital watermarking algorithm based on error correction coding, the algorithm detected without the original image, blind. And watermark image o
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盲水印提取时不需要参考原始载体图像,在信息隐藏、版权保护等方面具有更广泛的应用前景。提出的盲水印算法在分块离散余弦变换(DCT)和离散小波变换(DWT)的基础上,利用关系双方DCT系数和DWT系数在受到攻击时具有相同变化趋势的特点,采用关系嵌入和量化嵌入的自适应选择嵌入策略,较大幅度地提高了盲水印提取的鲁棒性。同时在量化嵌入中采用抖动调制,实现了水印透明性和鲁棒性调节的便捷性。大量仿真实验结果表明该算法对噪声干扰、低通滤波、JPEG压缩、对比度增强等攻击有很好的鲁棒性和透明性。关键词 数字水印盲
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a new audio watermarking based on double insertion and double transformation DWT-DCT presented in IEEE ICM 2012
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a non blind speech and audio watermarking algorithm based on cox insertion method
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DCT域图像隐藏,基于DCT系数关系的图像水印算法,88分块后比较选定的两个系数的大小以此来隐藏1或者0.-DCT domain image hiding, based on the relationship between the DCT coefficients image watermarking algorithm, 88 blocks selected after comparing the size of the two coefficients in order to hide o
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基于dct的数字水印图像技术的研究,包括水印的嵌入及提取,加噪-Research dct digital watermarking technology based on image
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一种基于DCT数字水印新算法 该算法利用了新的算法来选取水印嵌入区域,使其既能够保证水印信息的鲁棒性又能够满足其不可见性。利用基于能量关系的算法进 行水印嵌入。最后进行了仿真实验,嵌入水印的图像中很难发现水印的痕迹,具有较高的清晰度-A new algorithm based on DCT digital watermarking algorithm uses a new algorithm to select the watermark embedding area, making it bo
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实现基于DCT域的数字水印技术,可以实现水印的嵌入和提取,并具有很好的鲁棒性,mfc开发,可以在此基础实现二次开发-Based on DCT domain digital watermarking technology, we can achieve watermark embedding and extraction, and has good robustness, mfc development can be achieved on the basis of secondary devel
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