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This paper presents a novel blind grayscale digital watermark algorithm. 摘要提出一种新的盲灰度级水印算法。
This article presents a novel self-synchronizing audio watermark algorithm for shortwave narrow band channel. 提出了一种适应于短波窄带信道的自同步音频水印算法。
This article presented a multifunctional audio digital watermark algorithm based on psychoacoustic model. 本文提出了基于心理声学模型的多功能音频数字水印算法。
A novel digital audio blind watermark algorithm based on complex cepstrum domain is presented. 摘要提出了一种复倒谱域数字音频盲水印算法。
The result of experiment validates the feasibility of watermark algorithm via distilling the watermark picture directly from the picture embedded in watermark. 在试验结果里,通过对嵌入水印后的图像进行直接提取水印图像,从而验证了水印算法的可行性。
This watermark algorithm can contain the detection threshold into a predefined scope and attain quite good imperceptibility. 该方法能够将检测门限控制在事先设定的范围内，具有较好的隐秘性；
And also validates the frangibility of watermark algorithm via locally modifying and saving as the picture embedded in watermark. 再分别进行局部修改和做另存为处理后提取水印图像,从而验证了该水印算法的脆弱性。
An audio watermark algorithm based on psychoacoustic model and wavelet packet analysis which is applicable both to stereo and mono audio is presented. 摘要提出了一种基于声学心理模型和小波包变换的的音频水印算法，适用于立体声音频信号和单声道音频信号。
The watermark algorithm based on pyramid decomposition of lifting scheme wavelet and a new watermark scrambling encryption methods were proposed. 摘要提出一种利用提升方案小波对载体图像进行多个金字塔分解的方法，并结合新的水印置乱加密方法进行数字水印。
The experiments prove that the digital watermark algorithm is invisible and robust against the original image process methods such as crop,noise and filtering etc. 通过实验说明给出的彩色图像数字水印技术算法对常用的图像处理如剪切、加噪和滤波等攻击具有较好的鲁棒性、不可见性。
Two blind watermark algorithms based on HVS in DCT domain are proposed. 提出了DCT变换域上基于人类视觉特性(HVS)的两种盲水印添加方法.
Then we put forward a kind of improved digital watermark algorithm based on chaos array according to the shelter character of luminance and texture of the human visual system. 接着在小波分析理论的基础上，利用混沌序列的伪随机性和图像作为水印的可视性，提出了一种基于混沌序列的数字水印改进算法。
A digital watermarking algorithm based on quadtree fractal coding. 一种基于四叉树分形编码的数字水印算法。
A novel CPN-based audio watermarking algorithm was proposed. 摘要提出了一种基于对象传播神经网络的音频水印算法。
A Digital Watermarking Algorithms Base. 一种脊波域数字水印算法。
The experimental results and attack analysis show that the watermark algorithm is robust against some image processing operations,such as JPEG lossy compression , rotation,cropping and noise adding. 实验结果表明该水印算法具有良好的抗JPEG压缩、旋转、裁剪和加噪等常见攻击的能力。
The experimental results and attack analysis show that the watermark algorithm is transparent and robust against some image processing operations, such as JPEG lossy compression,median filtering,additive noise,scaling, and incorporating attacks. 实验结论和攻击测试表明 ,本文所提议的算法具有较好的透明性 ,对如JPEG有损压缩、中值滤波、附加噪声、伸缩、裁剪等各种图像处理的攻击有较强的顽健性
This paper brings forward a frangibility blind digital watermark algorithm based on mark strong watermark.It selects three luminance DCT coefficients at random,then embeds watermark information. 从基于标识性鲁棒水印出发,提出了一种脆弱性防篡改盲数字水印算法,即任意选择3个亮度DCT系数嵌入水印信息。
In order to protect the digital product copyright, the digital watermark algorithm is studied by changing its DCT important coefficient and the method to discriminate watermark in the image. 摘要在图像离散余弦变换重要系数的幅度成分中加入水印并利用相关监测器进行监测，以实现对多媒体数字产品的版权保护。
In the direction of this scheme, a watermark algorithm is proposed which can resist the JPEG lossy compressing and images uniting question.The test results prove its both characters. 在该方案的指导下,提出了一种抗JPEG压缩和图像合并的水印算法,通过试验,证明该算法具有很强的抗压缩性和抗合并性。