提出了一种基于混沌映射的改进奇偶量化水印算法。
An improved watermarking algorithm of odd-even quantification based on chaotic map is proposed.
实验结果证明，基于块奇异值分解的水印算法对常规的图像处理攻击具有很好的鲁棒性，尤其是其中的量化水印算法。
The experiment results show that watermarking algorithms based on block SVD are very robust to usual image manipulation attacks, especially the quantization watermarking algorithm.
该方法在一定的量化标准下利用小渡变换提取图象的特征信息，通过混沌序列对其加密生成数字水印。
In this method, the original image 's feature is extracted by using wavelet transform and quantization. The feature information is changed into watermark by the chaotic sequence encryption.
提出了一个新的基于图像能量和量化的公开数字水印算法。
A novel public digital watermark algorithm based on image energy and quantization is proposed.
该算法先通过格矢量量化技术对经dWT变换后的宿主图像的系数矢量进行格矢量量化，然后将水印信号嵌入到量化后的系数中。
At first, it quantizes the image coefficient vector gotten from DWT with the lattice vector quantization technology, then imbeds the watermark signal into the coefficient.
提出了量化mclt变换系数的音频数字水印盲检新算法。
A new audio digital watermarking blind algorithm based on MCLT coefficient quantization is presented.
通过对图像做仿jpeg流程的处理，在DCT变换的直流系数上嵌入水印，对于各种常用的JPEG压缩量化因子，可以得到良好的水印嵌入效果。
It embeds the watermark bits on the DC of the DCT transform coefficients, for most JPEG quality factor, the method is proved to be robust and effective.
利用人类视觉系统的纹理掩蔽特性和照度掩蔽特性自适应调整量化间距，以保证水印的透明性。
It utilizes the HVS peculiarity to change the quantization interval adaptively and ensure the visibility of the watermark.
本文提出了一种基于连续子带量化(SSQ)和人类视觉系统(HVS)的小波域自适应数字水印算法。
In this paper, we propose an adaptive digital image watermarking algorithm using successive subband quantization (SSQ) and human visual system (HVS) based on wavelet domain.
本文提出了一种基于噪声可见函数(NVF)量化的水印算法。
In this paper, we propose a digital image watermarking algorithm using the noise visibility function (NVF) based on wavelet quantization.
实验结果表明，水印系统对MP3压缩、噪声干扰、重量化、低通滤波攻击有一定的鲁棒性。
Experimental results show that the watermark is imperceptible and the algorithm is robust to many attacks, such as MP3 compression, noise addition, requantization, low pass filtering and so on.
最后，调整均匀谱处理后的量化系数奇偶性，实现水印嵌入。
Finally, adjust the parity of the quantization coefficients to embed watermark.
在水印嵌入时采用量化的方法，使提取时不需要原始图像。
With a quantification method, the original image is not required for extracting the watermarking.
这种算法是采用了均值量化的方法，把数字水印嵌入图像的离散小波域，可以检测在空间域和频率域的图像失真。
The watermark was embedded in the wavelet domain using the mean quantization method. This method can be used to detect the distortion both in spatial and frequency domain.
该方案基于量化函数定义各水印通道的零参考水印。
In this scheme, zero reference watermark is defined based on quantization function.
本文的水印方法借助扩频水印的思想，通过量化函数对版权保护图像的小波变换系数进行量化，产生的二值序列作为水印。
This paper borrows the idea from spread spectrum watermark, quantizes the wavelet transform coefficients the copyright protected image to produce a binary sequence, which is just the watermark.
方差F和均值F被用来调整量化间隔以使嵌入的水印更好地适应于载体图像。
Method difference F and mean value F are applied to adjust the quantization gap to make the embedded watermark adapt to the Yu carrier image much better.
根据各个分块的统计特性，利用神经网络来确定的各个分块的量化步长，将水印嵌入到各个分块的奇异值。
The quantization step is adjusted through the neural network according to the statistics of the blocks, and then the watermark is embedded on the singular value of the blocks.
提出一种基于量化的鲁棒性数字水印技术。
A robust digital watermarking algorithm based on quantifying and error correcting coding technique is proposed.
针对商品包装图像在水印检测过程中图像会发生变形的问题展开研究，提出一种基于非均值量化系数特征不变的盲数字水印方案。
In view of the problem that the pictures on commodities packaging may have distortion in watermark detection process, studies are carried out and a new blind digital watermark algorithm is proposed.
提出了一种可用于版权认证的基于小波变换域自适应量化步长的图像盲水印算法。
A new image blind watermarking algorithm based on adaptive quantization step in discrete wavelet transform (DWT) is proposed, which can be used in copyright authentication.
依据听觉掩蔽模型计算每个临界频带的掩蔽阈值，再根据水印嵌入点处的掩蔽阈值和音频载体值的大小共同控制量化步长。
Calculating masking threshold of every critical band by auditory masking model, then quantization steps are controlled by masking threshold and value of audio carrier of the embedding points.
水印信息嵌入采用均值量化方法，将水印信息嵌入到载体音频中； 以11位巴克码作为同步标识，定位水印嵌入位置；
Mean the use of quantitative methods, will watermark embedded in the audio carrier, 11 Barker Code as a synchronous signal, which was used to positioning embedding position.
在简要介绍水印技术和矢量量化技术后阐述了基于矢量量化的数字水印算法的基本原理。
After briefly introducing. Watermarking technology and vector quantization, the principle of VQ - based digital watermarking technique is explicated.
摘要：基于矢量量化的数字水印是数字水印技术一个新的研究领域。
Absrtact: Vector quantization (VQ) - based digital watermarking technique plays a newly developed branch in digital watermarking research fields recently.
提取时对含有水印的视频进行解码，得到量化后的DCT系数，进行LSB提取，RS解码后得到与嵌入序列完全相同的比特序列。
When extracting the watermark, decode the containing video to get the quantized DCT coefficients, get the watermark by using LSB, and RS decoded to get the same sequence as the embedded bit sequence.
基于BTC编码的自适应量化彩色音频水印方法。
Three digital audio watermarking schemes are presented. (1) An adaptive quantification color audio watermarking scheme based on BTC.
基于BTC编码的自适应量化彩色音频水印方法。
Three digital audio watermarking schemes are presented. (1) An adaptive quantification color audio watermarking scheme based on BTC.
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