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dddddd
- :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
DCT-based_Image_Digital_Watermarking
- 基于DCT域的图像数字水印技术： 摘要：数字水印技术作为数字媒体版权保护的有效办法，近年来在国内外引起了人们极大的兴趣。作者采用了DCT离散余弦变换的算法，对图像这种多媒体数字作品进行了数字水印的嵌入和检测研究。并且使用了高效实用的编程工具MATLAB来介绍了一种DCT域的图像数字水印嵌入和提取的实例，并且在最后对嵌入水印的图像进行了攻击实验，验证了该算法的鲁棒性和不可见性。
JPEG图像压缩算法
- 基于DCT的JPEG图像压缩算法(matlab版)
AudioWatermarking
- 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
ch2
- 第2章 信号变换 67 2.1 Z变换及MATLAB实现 67 2.1.1 Z变换的定义 68 2.1.2 Z变换的收敛域 68 2.1.3 Z逆变换 70 2.1.4 Z变换的性质 72 2.1.5 Z变换的工程应用 74 2.2 Chirp Z变换及MATLAB实现 77 2.2.1 Chirp Z变换的定义 77 2.2.2 Chirp Z变换的计算方法 79 2.2.3 Chirp Z变换的MATLAB实现 80 2.3 离散傅里叶变换及MAT
Asequence-basedembeddedDCTdomainwatermarkingalgori
- ，应用MATLAB仿真按序选择嵌入位的DCT变换算法，对仿真程序运行后的各种参数 和效果图的变化进行了分析；最后结合GUI开发设计出数字水印执行过程仿真控制界面，并用常见的水印攻击测试了该算 法的鲁棒性。-Application MATLAB simulation embedded spaces in sequence selection algorithm of DCT transform, simulation program running on the various param
watemark
- 基于DCT的数字水印的Matlab仿真实现-Digital Watermarking Based on DCT of Matlab simulation
DCT
- DCT数字图像水印算法的源代码！含有图像的水印的嵌入和水印的提取！-DCT digital image watermarking algorithm source code! Containing the watermark image watermark embedding and extraction!
ip2dct
- code for dct in matlab
Analysis_of_channel_estimation_methods_for_OFDMA.
- OFDMA, Orthogonal Frequency Division Multiple Access is a broad band communication method. Here channel estimation is more crucial. Based on the FFT size used for OFDM transmission method that many number of channel co-efficients are to be estimated
dct
- a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it -a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it
DCTDWT
- 关于图像除了 的 水印算法 dct 很详细 很难下载的 一篇详细论文-In addition to the watermarking algorithm on the image detail dct difficult to download a detailed paper
ziliao
- 基于DCT变换的信息隐藏(数字水印)嵌入算法的设计(Matlab-DCT-based information hiding (digital watermark) embedded in the design of algorithms (Matlab
dctwater
- 一种基于DCT域的不可见数字水印算法，文章源于IEEExplore-PERCEPTUAL DIGITAL WATERMARK OF IMAGES USING WAVELET TRANSFORM.pdf,down loaden from IEEE xplore
DCT-compress-coding
- 文章除了对基于DCT的图像压缩编码进行研究外，还对基于其他算法的图像压缩编码也作了相应的研究。在完成理论方面的研究后，应用MATLAB仿真软件，实现了基于DCT的图像压缩编码。-The article is in addition to picture that according to the DCT compress coding expatiating, returning to picture that according to other calculates way empress
DCT
- 基于DCT数字水印算法的Matlab实现源代码-DCT-based digital watermarking algorithm Matlab source code
matlab-DCT-watermark
- 基于离散余弦变换的数字水印嵌入以及实现代码-Embedded watermarking based on discrete cosine transform and implementation code
pcmi7
- dct matlab understanding on watermark
image-compression-DCT
- This fils contains a matlab code for image compression with DCT