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静态图像的鲁棒性数字水印算法,主要介绍一种新的鲁棒性盲水印,内附matlab程序-static image robust digital watermarking algorithm, introduced a new Robust blind watermark, containing Matlab procedures
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数字水印程序,包括多分辨嵌入水印、提取水印程序,盲水印嵌入、提取程序,以及滤波攻击和JPEG攻击程序,PSNR和相似度计算公式(MATLAB)-digital watermarking procedures, including multiresolution embedded watermark, watermark extraction procedure, blind watermark embedding and extraction procedures, Filtering and
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ICA watermarking. Blind, fragile, robust
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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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基于MATLAB环境的音频水印提取源程序(非盲水印)-MATLAB-based environment for audio watermark extraction source (non-blind watermarking)
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一种基于小波域灰度图像盲水印的新方法,
方案中利用了人类视觉系统(HVS)特征。-A new approach for non-blind watermarking of still
gray level images in the wavelet domain.The method uses
the Human Visual System(HVS)characteristic
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基于混沌加密的频率域自适应数字水印技术,混沌序列一是加密,二是实现盲检测-Based on Chaotic Encryption frequency domain adaptive digital watermarking technology, one chaotic sequence encryption is to make the blind detection
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对音频信号分帧加窗,对每帧进行三阶小波变换,取其逼近系数平均值(一般为零).在此嵌入二值图像 并有对潜入水印信号进行盲检,恢复其嵌入水印-Sub-frame of the audio signal increases the Hamming window for each frame impletment third-order wavelet transform, whichever is close to the average coefficient (usually zero). a
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提出了一个新的基于量化抖动和模式分组编码的盲数字图像水印算法,该算法首先在DWT(离散小波变换)的第
二层中频子带中随机选取相应位置的绝对值最大的系数作为水印的嵌入区间,对小波系数进行量化并根据分组编码原
理生成预嵌入模式,然后将一个二值水印图像嵌入到模式当中。-Proposed a new model based on quantitative jitter and packet-coded blind digital image watermarking algorithm, the
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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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采用中心旋转法来进行曲波变换,带有几个demos。方便的进行curvelet变换-Center of rotation method used to carry out curvelet transform, with a few demos. Convenient for curvelet transform
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基于直方图技术的数字水印算法。本文介绍了一种利用直方图形成空位来添加水印的方法。-Histogram-based digital watermarking algorithm technology. This article describes the formation of a space histogram method to add a watermark.
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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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在Matlab开发环境下,实现将输入的随机字符串以随机序列的方式嵌入载体图像中,并很好的保证了水印的不可见性,同时也实现了水印的盲检测并成功提取出输入的字符。-In Matlab development environment, to achieve the random string input by random sequence was embedded in the carrier image, and it guarantees the invisibility of the wate
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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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基于小波变换的数字水印算法matlab代码,有均匀线阵的CRB曲线,有小波分析的盲信号处理。- Based on wavelet transform digital watermarking algorithm matlab code, There ULA CRB curve, There Wavelet Analysis Blind Signal Processing.
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有小波分析的盲信号处理,包含收发两个客户端程序,基于小波变换的数字水印算法matlab代码。- There Wavelet Analysis Blind Signal Processing, Transceiver contains two client programs, Based on wavelet transform digital watermarking algorithm matlab code.
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使用盲数字水印实现DWT ,数字水印的嵌入和提取,小波变换(Using blind digital watermarking to implement DWT)
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