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用c语言实现一种基于DCT系数均值的盲水印算法,C language implementation with a mean value based on the DCT coefficient of the Blind Watermarking Algorithm
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二值图像数字水印算法的一般方法，然后在此基础上给出了一种基于分块DCT的自参照直流系数盲检测二值水印方法。-A blind binary image digital watermarking algorithm is proposed in the DCT domain. The algorithm uses the correlativity of the inter-blocks DC components based on blocked DCT with binary image. No
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提出一种基于支持向量机( SVM)和遗传算法(GA)的离散余弦变换(DCT)域盲数字图像水印方法. 该方法能自适应于图像的局部特征. 依据图像块的局部特性,利用SVM对图像块分类,自适应地确定水印嵌入强度, GA用来优化水印嵌入位置. 实验结果表明该方法有较好的不可见性和较强对抗攻击的鲁棒性.-Based on support vector machine (SVM) and genetic algorithm (GA), discrete cosine transform (DCT) doma
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一种基于DCT域的全盲数字水印，文章下载于IEEE XPLORE-Based DCT domain blind watermarking, the paper available on the IEEE XPLORE
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Abstract- H.264/AVC is becoming a popular video codec for
its better compression ratio, lower distortion and applicability
to portable electronic devices. Thus, issues of copyright
protection appropriate for this standard become very
importan
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Abstract—Based on the observation that low-frequency DCT
coefficients of an image are less affected by geometric processing,
we propose a new blind MPEG-2 video watermarking algorithm
robust to camcorder recording. Both the embedding and
extr
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本程序基于matlab开发环境，对数字水印进行8*8DCT变换，属于非盲数字水印！-Matlab-based development environment for this program, the digital watermark 8* 8DCT transform, a non-blind watermarking!
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提出了一种可抗
几何攻击的二值文本图像水印算法. 该算法基于DCT,它将二值图像的DCT、图像的视觉特征向
量和加密技术有机结合起来,在提取水印时不需要原始图像,是一种实用的盲水印算法-We propose a geometric attacks against Binary Text Watermarking Algorithm. The algorithm is based on DCT, it binary image DCT, the image of the visual fe
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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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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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数字水印 离散余弦变换 混沌序列 外文资料 翻译材料-digital watermarking dct
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音频数字水印的实现，包含源代码，基于量化dct和自适应dwt两种算法，可实现水印的盲取-Audio digital watermarking, and includes source code, based on quantified dct and adaptive dwt two algorithms can achieve the blind watermark to take
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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 high robust blind audio watermarking bes on double insertion and double transformation DWT-DCT
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a non blind speech and audio watermarking algorithm based on cox insertion method
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a high robust and non blind fft base audio and speech watermarking
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