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基于小波零树特性的视觉感知度模型的优化方案, 给出了两种水印算法: 一种算法嵌入的是高斯序列水印, 通过相关检测实现盲检测 另一种算法嵌入的是二值图像水印, 水印的提取是非盲提取。这两种算法在所有重要小波系数( 包括最低频系数) 中嵌入水印, 以达到最大化水印嵌入量的目的, 并结合感知度模型在水印的透明性和鲁棒性之间实现了较好的平衡, 对于常见的图像处理操作, 特别是对于JPEG 和小波压缩均有较好的鲁棒性。-based on wavelet zerotree visual perception
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全球迅猛发展的 Internet 网络给世界经济带来了新的商机,数字技术提供了与原作品同样精美的复制品, 但同时使得数字媒体的版权保护问题日益突出。 本文介绍了最新的多媒体版权保护技术-数字水印的概念,在阐述数字水印的分类和特性的基础上,提出了以数字水印为基础的数字作品版权保护系统,并研究了数字水印系统的处理框架和数字水印算法。最后对数字水印技术进行了展望。-rapid development of the global Internet network to the world economy
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一个用DCT的数字水印毕业论文。本文重点研究了基于DCT的低频水印算法、基于DCT的中频水印算法和基于DCT的自适应视频水印方案。-DCT with a digital watermark dissertation. This paper focuses on the low-frequency DCT-based watermarking algorithm, IF DCT-based watermarking algorithms and DCT-based Adaptive Video W
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:数字水印技术在数字产品的版权保护中起着非常重要的作用。概括了数字水印技术的现状及其基本原理,并
分析了变换域数字水印算法的优势,详细阐述了DCT 水印嵌入和提取算法的原理和步骤。最后在Matlab 平台下对DCT 数
字水印算法进行了仿真,仿真结果证实了DCT 算法的强健性和鲁棒性。-: digital watermarking technology in the digital copyright protection products played a very important
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基于听觉频率掩蔽效应的音频数字水印算法和一种基于人耳掩蔽效应的DCT域音频水印-Auditory masking effect on the frequency of the audio digital watermarking algorithm based on the human ear and a masking effect of the DCT-domain audio watermarking
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multi_wavelet
An Image Digital Watermarking Algorithm Based on
Bit-Plane-Decomposition and Multi-Resolution-Decomposition
-multi_waveletAn Image Digital Watermarking Algorithm Based on Bit-Plane-Decomposition and Multi-Resolution-Decompositi
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数字水印算法中常用的 MATLAB 函数,应用MATLAB语言实现了一个空间域数字水印算法的嵌入、提取和攻击过程,并给出了程序运行的结果。-Digital watermarking algorithm used in the MATLAB function, the application of MATLAB language implementation of a spatial domain digital watermarking algorithm for embedding, extr
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Owing to the broad application value of audio
watermarking in remote transmission and mobile
extraction, it is very important to study watermarking
approaches against A/D and D/A conversion. Based
on wavelet decomposition and cepstrum technol
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Owing to the broad application value of audio
watermarking in remote transmission and mobile
extraction, it is very important to study watermarking
approaches against A/D and D/A conversion. Based
on wavelet decomposition and cepstrum technol
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Owing to the broad application value of audio
watermarking in remote transmission and mobile
extraction, it is very important to study watermarking
approaches against A/D and D/A conversion. Based
on wavelet decomposition and cepstrum technol
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基于DCT域的数字水印潜入算法研究Based DCT domain watermarking algorithm dive-Based DCT domain watermarking algorithm dive
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:利用小波分块思想,结合Arnold 变换算法,提出了一种基于小波分块的水印算法,并且利用人类视觉系统的掩蔽特性,使
水印的不可感知性和鲁棒性得到很好的统一-: The use of wavelet blocks thinking, combined with Arnold transform algorithm, a block of the watermark based on wavelet algorithm, and using the masking properties of
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提出一种新的基于图像特征聚类的自嵌入水印算法( CCSW) ,用于图像内容的认证和恢复.-In this paper,we present a novel self-embedded watermarking algorithm based on characteristic clustering ( CCSW) for
image tamper detection and recovery.
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Adaptive Blind Video Watermarking Algorithm based on DCT
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在这项工作中,我们对待这个问题的恢复正确的消息,如果额外的位(假报警)已加入的消息体中,在随机的位置。这的情况是常见的一些是与选择性嵌入水印系统
典型的当人类视觉系统(或录音)注册成立,以提高质量水印系统。我们提出一个有效的解码方案
使用一些修改的“维特比算法的代码。添加额外的状态表示可能的误报率和一个新的扩展算法的改进网格提出图。仿真结果表明,我们的算法在高效率的检测随机的误报率很高。-In this work, we treat the problem of recovering t
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提出了一种基于纠错编码的DCT域数字水印算法,该算法在检测时不需要原始图像,实现了盲检。并且对水印图像进行了利用超混沌置乱处理,提高了安全性能和抗攻击能力。纠错编码的引入使水印抗攻击能力明显增强。
-DCT digital watermarking algorithm based on error correction coding, the algorithm detected without the original image, blind. And watermark image o
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基于DCT数字水印算法的Matlab实现源代码-DCT-based digital watermarking algorithm Matlab source code
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DWT Based Watermarking Algorithm using
Haar Wavelet
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Watermarking using DCT-SVD it includes watermarking algorithm using DCT and SVD combination.It accurately performs watermarking technique.
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this the good paper for watermarking.-this is the good paper for watermarking.
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