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- Wavelet domain watermarking 小波域水印处理
- Based on which DCT domain and wavelet transform domain watermarking algorithm is presented. 在此基础上提出了基于人类视觉特性的离散余弦变换水印嵌入算法和离散小波变换水印嵌入算法。
- This paper presents a blind watermarking scheme baaed on the visual perceptual model in wavelet domain. 摘要提出了一种基于视觉感知模型的小波域图像盲水印方案。
- A adaptive watermarking scheme based on quadtree-split in the wavelet domain is proposed in this paper. 摘要文章提出了一种基于四叉树分割的小波域自适应水印方案。
- An audio watermarking algorithm based on mean quantization in the wavelet domain is presented. 摘要提出了一种均值量化的小波域数字音频水印算法。
- On these grounds, the wavelet domain optimal watermark imbedding algorithm is put forward based on the genetic algorithm. 据此，提出了一种基于遗传算法的小波域优化水印嵌入算法。
- A new digital watermarking algorithm based on BPN neural network is proposed.Watermark embed processing is carried out by transforming the host image in four band wavelet domain. 摘要提出了一种基于BPN神经网络的水印新算法，首先对数字图像进行四进制小波分解；
- Another is designed specially for color images where the meaningful watermark is embedded in the wavelet domain based on SVD. 第二种算法针对彩色图像设计,将有意义的水印图像嵌入到彩色图像的小波域中;
- The watermark is generated from the characteristics of the images and is then embedded into the wavelet domain applying the low-dimensional chaos and mean quantization method. 第一种算法针对灰度图像设计,通过提取图像的特征信息作为水印信号,利用低维混沌系统,采用块平均量化的方法,在小波域实现水印的嵌入。
- Then the encrypted information will be acted as a watermark and utilized the HVS characteristics of the original image, the watermarking signal is embedded into the wavelet domain of the original image. 然后将加密后的信息作为水印信息，利用原始图像的HVS特性将水印信号嵌入到原始图像的小波域中。
- Currently,there are many DWT(Discrete Wavelet Transform) based watermarking algorithms,but few of them discuss the issue in association with fractal image coding in wavelet domain. 目前有很多基于离散小波变换(DWT)的水印算法,但结合分形编码技术的很少。提出并实现了一种新的自适应水印算法。
- The digital image can be seen as a matrix，based on the characteristics of the LU Factorization，this paper presents a novel robust watermarking algorithm in wavelet domain of digital image. 而数字图像也可以看作矩阵，根据图像的这一特点结合小波变换提出一种鲁棒性较好的水印算法。
- Embedding process embeds watermark in approximation image of original image in wavelet domain，and the embedded intensity of watermark is determined adaptively by noise visibility function. 水印嵌入过程将水印嵌入在原始图像小波域的逼近子图，嵌入的强度由噪声可见性函数自适应决定。
- Through the analysis of many representative spatial domain watermarking algorithm, a novel image spatial domain blind watermarking algorithm was presented. 通过对多种空域水印算法优缺点的分析,提出了一种新的图像空域盲水印算法。
- Through the analysis of many representative spatial domain watermark algorithms, a new spatial domain digital watermark imbedding algorithm is presented. 通过对多种空域水印算法优缺点的分析,提出了一种新的空域数字图像水印加入算法。
- wavelet domain image watermarking 小波域图像水印
- Firstly calculate the absolution of the source speech signal, then analyze the absoluted signal in the dyadic wavelet domain. 首先对原始语音信号取绝对值，然后对其进行小波变换，认为8阶小波变换绝对值的极大值点对应于原始语音的音素分段点。
- Therefore, an algorithm of PD signal reconstruction based on modulus maximum wavelet domain is presented in this paper. 为此,该文提出一种基于模极大值小波域的局部放电信号重构算法。
- A wavelet domain Indicator of the local spatial activity achieved the adaption to the spatial context in the image. 使用具有局部空间活跃性的小波域标记能达到对图像空间上下文关系的适应。
- We give the implementation of SRIW in Wavelet Domain for exemplifying it and propose the special evaluation of SRIW. 以小波域为例给出了SRIW实现方法，提出了SRIW特有的评价标准。
