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[Special Effectsmang-watermarking

Description: 静态图像的鲁棒性数字水印算法,主要介绍一种新的鲁棒性盲水印,内附matlab程序-static image robust digital watermarking algorithm, introduced a new Robust blind watermark, containing Matlab procedures
Platform: | Size: 3643 | Author: 刘伟 | Hits:

[GDI-Bitmapmarkwarter

Description: 水印的MATLAB傅立叶算法 有较强的鲁棒性能-watermarking algorithm MATLAB Fourier a strong robust performance
Platform: | Size: 817152 | Author: 桃子 | Hits:

[OtherMultiwavelet_watermark

Description: 本文构造一种扩频和量化混合模型,并提出了一种图像多小波变换域内基于扩频和量化的混合数字水印方案,通过理论分析给出了扩频长度、信道容量、检测错误率等参数间的关系,实验结果表明算法实现了水印鲁棒性前提下的水印容量最大化的目的.-this paper, a spread spectrum and quantitative hybrid model, and proposes a number of images based on wavelet transform domain spread spectrum and quantification of mixed digital watermarking programs, Through theoretical analysis of the spread spectrum given length, channel capacity, the error rate testing parameters such as the relationship between them, Experimental results show that the watermark algorithm robust watermark under the premise of the purpose of maximizing capacity.
Platform: | Size: 468992 | Author: 阳光 | Hits:

[OtherA24B997C

Description: 一种基于感知模型的盲水印算法 :根据Watson模型,结合仿射变换置乱技术和DCT量化系数奇偶特性,本文提出了一种在分块DCT中频交流系数中嵌 入有含义二值水印图像,以实现盲检测的水印方案。实验结果表明,该算法对于JPEG有损压缩、图像剪切等处理有很强的 鲁棒性。-a model based on the perception of the blind watermarking algorithm : According to Watson model, with affine transformation Scrambling Technology and DCT coefficient quantization Parity characteristics, This paper presents a block in exchange DCT coefficient meaning embedded in a binary image watermarking, Blind to achieve the watermark detection program. Experimental results show that the algorithm for JPEG lossy compression, image processing shear is very robust.
Platform: | Size: 225280 | Author: ghostsx | Hits:

[Software Engineeringwatermark_2

Description: 提出了一种离散小波变换域实现图像水印的方法。这种算法充分利用小波变换的特点,把原始图像及水印图像塔式分解,在多分辨率分解后的相同的频段来嵌入水印信息。该方法也利用了人眼视觉特性,算法简单而有效。实验证明,该算法较好地解决了水印不可见性与鲁棒性之间的矛盾,对常见的水印攻击都有较强的鲁棒性。-presents a discrete wavelet transform domain image watermarking method. This algorithm using wavelet transform characteristics, the original image and the watermark image tower decomposition, Multiresolution decomposition in the same frequency band to the embedded watermark. The method has also been used HVS, the algorithm is simple and effective. Experiments show that the algorithm can solve the watermark is visible with the robust nature of, common to have more attacks watermark robustness.
Platform: | Size: 151552 | Author: yy | Hits:

[Special Effectsmang-watermarking

Description: 静态图像的鲁棒性数字水印算法,主要介绍一种新的鲁棒性盲水印,内附matlab程序-static image robust digital watermarking algorithm, introduced a new Robust blind watermark, containing Matlab procedures
Platform: | Size: 3072 | Author: 刘伟 | Hits:

[Documents20070815

Description: 提出了一种基于小波域的图像数字水印算法·该算法将相互正交的两种水印(鲁棒水印和参考 水印)同时添加到经过DWT后的载体图像小波系数中,然后用小波反变换得到添加了水印的图像·用提取出 的参考水印来估计图像所受到的攻击,由于提取出的鲁棒水印所受的攻击与参考水印受到的攻击一样,因此 可以估计出原始的鲁棒水印·通过对嵌入水印的图像进行加入噪声、滤波、压缩以及裁剪等大量图像处理等试 验,均能正确检测出水印,表明该算法具有很好的感知效果和鲁棒性 -A wavelet-based image digital watermarking algorithm that the algorithm will be mutually orthogonal two watermarks (watermark robust watermarking and reference) at the same time added to the carrier after image after DWT wavelet coefficients, and then using wavelet transform has been Add a watermark image to use to extract a reference to estimate the watermark image by the attacks, as a result of the robust watermark extracted suffered attacks and the reference watermark by the same attack, it can be estimated through the original Robust Watermarking of the embedded watermark image by adding noise, filtering, compression and cutting, such as a large number of image processing such as testing, can correctly detect the watermark, show that the algorithm has good performance and robustness of perception
Platform: | Size: 190464 | Author: 李倩 | Hits:

[Special EffectsRobustVideoWatermark

Description: 基于H.264标准的数字视频鲁棒水印,IEEE检索下载文献,2007年最新会议文章,很有参考价值。-H.264 standards-based robust watermarking of digital video, IEEE retrieval download documents, the latest meeting in 2007 article, it is reference value.
Platform: | Size: 1573888 | Author: james | Hits:

[Special EffectsDCT

Description: 基于DCT域的鲁棒水印,能抗击一定程度的压缩,剪切等攻击-Based on the DCT domain robust watermarking, can fight against a certain degree of compression, shear, such as attacks
Platform: | Size: 43008 | Author: Robin | Hits:

[matlabWatermarking_Edge

Description: this is partial code for paper "A Robust Wavelet-Based Watermarking Algorithm Using Edge Detection"
Platform: | Size: 1024 | Author: Sathvika | Hits:

[DocumentsOnDesignatedlyVerifiedNon-interactive)Watermarking

Description: On Designatedly Veried (Non-interactive)Watermarking Schemes-Although many watermarking schemes consider the case of universal veri¯ ability, it is undesirable in some applications. Designated veri¯ cation is a possible solution for this problem. Watermarking scheme with (non-interactive) designated veri¯ cation through non-invertible schemes was proposed by Lee et al [11] in 2003, to resolve multiple wa- termarking problem. Yoo et al [14] proposed a very similar watermarking scheme. In this paper, we propose a cryptanalytic attack on both of these schemes that allows a dishonest watermarker to send illegal watermarked images and to convince the designated veri¯ er or customer that received watermarked images are valid.We modify the above schemes to overcome the attack. Further, we also propose a new robust watermarking scheme with (non-interactive) designated veri¯ cation through non-invertible wa- termarks. Interestingly, our scheme can be extended for joint copyright protection (security of ownership rights fo
Platform: | Size: 145408 | Author: xiaowang | Hits:

[Applicationsdct_watermarking_receiver

Description: this the code for the robust watermarking receiver.-this is the code for the robust watermarking receiver.
Platform: | Size: 1024 | Author: Ashish | Hits:

[Special Effectsqianru

Description: 通过在语音信号中嵌入鲁棒性水印和脆弱性水印,实现对数据的版权保护。-Embedded in the speech signal through robust watermarking and fragile watermarking, copyright protection to achieve the data.
Platform: | Size: 1024 | Author: pinbo | Hits:

[matlabwatermarking-robust

Description: 一个有鲁棒性的水印算法实现,可以抵抗几何攻击并有仿真-A robust watermarking algorithm, geometric attacks and a simulation
Platform: | Size: 1024 | Author: 隋智源 | Hits:

[Special EffectsA.Blind.and.Robust.Watermarking.Scheme

Description: Abstract- H.264/AVC is becoming a popular video codec for its better compression ratio, lower distortion and applicability to portable electronic devices. Thus, issues of copyright protection appropriate for this standard become very important. In this paper, a new blind SVD (Singular Value Decomposition) - DCT combined video watermarking scheme for the ".264 standard is proposed. The proposed method is a blind watermarking algorithm as the hidden information can be extracted without the original video and the original singular values. To reduce visual quality degradation caused by coefficients modifying, the perceptual model and block selection mechanism are introduced to control the modification strength. The performance of the proposed algorithm is evaluated with respect to imperceptibility, robustness and data payload. Experimental results reveal that the proposed scheme achieves enough robustness while preserving the perceptual quality.-Abstract- H.264/AVC is becoming a popular video codec for its better compression ratio, lower distortion and applicability to portable electronic devices. Thus, issues of copyright protection appropriate for this standard become very important. In this paper, a new blind SVD (Singular Value Decomposition)- DCT combined video watermarking scheme for the ".264 standard is proposed. The proposed method is a blind watermarking algorithm as the hidden information can be extracted without the original video and the original singular values. To reduce visual quality degradation caused by coefficients modifying, the perceptual model and block selection mechanism are introduced to control the modification strength. The performance of the proposed algorithm is evaluated with respect to imperceptibility, robustness and data payload. Experimental results reveal that the proposed scheme achieves enough robustness while preserving the perceptual quality.
Platform: | Size: 486400 | Author: lie | Hits:

[Special EffectsRobust-Watermarking-Based-on-DCT

Description: 基于DCT域的鲁棒水印,上数字图像处理课上的大作业-Robust Watermarking Based on DCT, the homework of digital image processing
Platform: | Size: 52224 | Author: 方凯 | Hits:

[Special EffectsRobust-Reversible-Watermark

Description: 一种可用于半脆弱认证的鲁棒可逆水印算法.-A novel reversible watermarking scheme is proposed
Platform: | Size: 442368 | Author: li | Hits:

[Industry researchA-robust-watermarking-method-for-copyright-protec

Description: A robust watermarking method for copyright protection of digital images using WT
Platform: | Size: 525312 | Author: Manish | Hits:

[Special EffectsmatlabDigital-watermarking-program

Description: 用matlab编写的数字水印程序,利用了数字水印的鲁棒性对数字图像进行水印处理-Using matlab digital watermarking procedures, the use of robust watermarking for digital image watermarking
Platform: | Size: 595968 | Author: 鹿笑 | Hits:

[Special EffectsA robust image watermarking scheme

Description: 关于数字水印技术的一篇好文,可以好好参考(This is a useful paper about watermarking in imagine processing)
Platform: | Size: 1457152 | Author: chnzhn | Hits:
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