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watermark_2
- 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 tran
an_intellegent_audio_water_marking_based_on_dwt-s
- All three, Discrete Wavelet Transform (DWT) - Singular Value Decomposition (SVD) and Adaptive Tabu Search (ATS) have been used as mathematical tools for embedding data into an audio signal. In this paper, we present a new robust audio waterma
SVM_GA
- 提出一种基于支持向量机( SVM)和遗传算法(GA)的离散余弦变换(DCT)域盲数字图像水印方法. 该方法能自适应于图像的局部特征. 依据图像块的局部特性,利用SVM对图像块分类,自适应地确定水印嵌入强度, GA用来优化水印嵌入位置. 实验结果表明该方法有较好的不可见性和较强对抗攻击的鲁棒性.-Based on support vector machine (SVM) and genetic algorithm (GA), discrete cosine transform (DCT) doma
Matlab3
- Implementing Watermarking using discrete 2-D wavelet transform.
water-matlab
- 基于离散小波变换的数字水印技术(利用matlab编写)-Digital watermarking technique based on discrete wavelet transform (using Matlab prepared)
watermarking-image-aimage
- 在Matlab环境下实现图片的水印嵌入，利用离散小波变换，较好的实现了应有的功能，并且通过计算PSNR值很好的验证了水印算法的不可见性和鲁棒性。-Watermark image is realized in Matlab environment, using the discrete wavelet transform, achieve a better functions, and are in good agreement with the watermark imperceptibilit
wavelet-transformation
- 变换域加密图像数字水印算法研究 本文主要对图像数字水印算法进行了研究，主要利用离散小波变换实现数字水印的嵌 入和提取，这是因为小波变换可以将信号或图像进行多分辨率分解，具有放大、缩小和 平移的数学显微镜功能，利用小波分解的特性可以将水印信息嵌入到载体图像的不同区 域，更好地抵抗各种信号处理操作。-Transform domain encrypted image digital watermarking algorithm of this paper, the image wate
anothermodule
- watermarking module using discrete wavelet transform
robstance
- In this paper we propose a watermarking system that uses the biorthogonal discrete wavelet transform, DWT and the message is encoded before embedding. The proposed watermarking method is very simple, implying four steps: turbo coding of
code-Digital-Watermarking-Using-Discrete-Wavelet-
- Digital Watermarking Using Discrete Wavelet Transform (DWT) & Singular Value Decomposition (SVD) & Checking its Robustness in the presence of JPEG Image Compression
dwtlevel2
- Robust image watermarking using two level discrete wavelet transform using constant scaling factor. At the same time you can use any optimization algorithm instead of constant scaling factor.
Watermarking-of-Videos-using-DWT
- this a good code for the watermarking over a video using Discrete Wavelet Transform.-this is a good code for the watermarking over a video using Discrete Wavelet Transform.
Watermarking-of-Color-Images-using-DWT
- This the code for color image invisible image watermarking using Discrete wavelet transform.-This is the code for color image invisible image watermarking using Discrete wavelet transform.
Implementing Watermarking
- simple example to Implementing Watermarking using discrete 2-D wavelet transform.
MATLAB数字水印[dwt+dct多攻击+GUI界面]
- 本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI，可以调用dwt方法的子界面和dct方法的子界面。流程包括，读取宿主图像和水印图像，嵌入，多种方法的攻击（剪切，加噪，旋转等），提取，最后利用psnr峰值信噪比进行评价不同攻击下，鲁棒性的好坏。(This topic is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method comp