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水印系统必然要在算法的鲁棒性、水印的嵌入信息量以及水印嵌入之后的不可觉察性之间达到一个平衡。这涉及鲁棒性算法的原理性设计、水印的构造模型、水印能量和容量的理论估计、-Watermarking system must be robust in the algorithm, the embedded watermark information, as well as after the watermark embedding is not aware of to achieve a balance
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本文通过对数字水印算法的研究和讨论,实现了基于空间域及变换域的
数字水印算法,并进行了相应的鲁棒性测试。
论文首先介绍了数字水印的基本特征、原理以及目前国内外的研究现状
等基本问题,给出了数字水印的理论模型,并根据数字水印的不同特性进行
了分类,为水印算法的提出、实现及测试提供了理论依据。
作为实现数字水印算法的算法理论基础部分,论文介绍了-Based on Digital Watermarking Algorithm of study and discussion, bas
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watermarking algorithm in matlab.
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Watermarking algorithm
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Watermarking algorithm
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DWT水印嵌入程序, DWT水印嵌入程序-The DWT watermarking algorithm program
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DWT音频水印嵌入算法程序, DWT音频水印嵌入算法程序-Audio watermarking algorithm in DWT DWT audio watermarking algorithm, DWT audio watermarking algorithm
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DWT音频水印嵌入算法, DWT音频水印嵌入算法-The DWT audio watermark embedding algorithm, DWT audio watermarking algorithm, DWT audio watermark embedding algorithm
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基于matlab的数字图像水印系统,使用的是DCT算法-Matlab-based digital image watermarking system, using the DCT algorithm
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LSB 方式信息隐藏算法鲁棒性较差,为加大水印攻击难度,可采用一段伪随机序列来控制水印嵌入位置。-LSB mode information hiding algorithm less robust, in order to increase the difficulty of watermarking attack, a pseudo-random sequence can be used to control the watermark embedding locations.
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基于小波变换的数字水印算法matlab代码,分析了该信号的时域、频域、倒谱,循环谱等,考虑雨衰 阴影 和多径影响。- Based on wavelet transform digital watermarking algorithm matlab code, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Consider shadow rain attenuation a
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利用最小二乘算法实现对三维平面的拟合,阵列信号处理的高分辨率估计,实现了图像的加水印,去噪,加噪声等功能。- Least-squares algorithm to fit a three-dimensional plane, High-resolution array signal processing estimates, Realize image watermarking, de-noising, plus noise and other functions.
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基于小波变换的数字水印算法matlab代码,旋转机械二维全息谱计算,包含飞行器飞行中的姿态控制,如侧滑角,倾斜角,滚转角,俯仰角。- Based on wavelet transform digital watermarking algorithm matlab code, Rotating machinery 2-d holographic spectrum calculation, It comprises aircraft flight attitude control, such as
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实现了图像的加水印,去噪,加噪声等功能,最终的权值矩阵就是滤波器的系数,包括随机梯度算法,相对梯度算法。- Realize image watermarking, de-noising, plus noise and other functions, The final weight matrix is ??the filter coefficient, Including stochastic gradient algorithm, the relative gradient algorith
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鲁棒数字音频盲水印水印置乱算法实现基于阿诺德变换的离散小波变换,离散余弦变换(Robust Blind Digital Audio Watermarking
Implementation Based on Watermark Scrambling Algorithm-Arnold Transform
Discrete Wavelet Transform,Discrete Cosine Transform,Erro Cor
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