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200558205447
- qim是与扩频水印并列的算法。他有很多特性，此算法能帮助你理解qim-qim Spread Spectrum Watermarking is tied with the algorithm. He has a lot of features, this algorithm can help you understand qim
dsnonoise
- 直接序列扩频系统是在发端直接用具有高码率的扩频编码去扩展信号的频谱，而在收端用相同的扩频编码进行解扩使扩频信号还原为原始信号的一种扩频方式。直接序列系统中用的编码序列通常是伪随机序列或叫伪噪声（PN）码。要传送的信息经数字化后变成二元数字序列，它和伪随机序列模二相加(或相乘)后变成复合码去调制载波。在直接序列系统中通常对载波进行二进制相移键控调制(BPSK)。当扩频调制后由天线发射出去，在接收机中要有一个和发射机中的伪随机码同步的本地码，对接收信号进行解扩，解扩后的信号送到解调器取出传送的信息-
chengxu9.rar
- 有关扩频通信系统的MATLAB程序----直接序列扩频系统，PN序列的产生。,On the spread spectrum communication system in MATLAB procedures---- Direct Sequence Spread Spectrum Systems, PN sequence generation.
wm
- 基于扩频变换的数字水印技术参考资料与论文打包集合-Transform-based spread-spectrum digital watermarking technology packaged collection of reference materials and papers
FreqWatermark
- 一种基于DCT的扩频水印算法，本算法通过对水印信息进行扩频，在原始载体图像的DCT域内进行水印嵌入。-DCT-based spread spectrum watermarking algorithm, the algorithm is spreading through the watermark information in the original carrier image of the DCT domain for watermark embedding.
A-Hybrid-transform-domain-spread-spectrum-watermar
- 一种基于混合变换域的双重扩频盲水印算法A Hybrid transform domain spread spectrum watermarking algorithm for the dual-A Hybrid transform domain spread spectrum watermarking algorithm for the dual
Robust_Audio_Steganography_Using_Direct-Sequence_
- important paper on spread spectrum watermarking
emdwt
- 基于小波变换的扩频图象数字水印，将水印嵌入到小波中。以保证信息的安全-Spread spectrum based on wavelet transform image watermarking, the watermark is embedded into the wavelet. To ensure information security
dct_total_ss
- 基于扩频技术的数字水印源代码，希望对大家有帮助-Digital watermarking based on spread spectrum technology, source code, we want to help
dct_total_ss
- 扩频技术，数字水印，matalab源代码，你会需要的-Spread spectrum technology, digital watermarking, matalab source code, you will need
Algorithm-of-colour-image-watermark
- 据扩频通信技术原理，利用m序列生成水印，通过扩频码与待检测载体图像的相关性设计了DCT域 的彩色图像水印算法-Abstract：An algorithm of colour image watermark in DCT domain based on spread spectrum communication was introduced
watermark_paper3
- 一种新的混沌序列扩频水印算法,很好的一篇文章-A new chaotic sequence spread spectrum watermarking algorithm, a very good article
watermark_paper4
- 一种新的扩频音频水印算法，很好的一篇数字水印文章-A new spread spectrum audio watermarking algorithm, a very good article of a digital watermark。
A-robust-spread-spectrum-based-image-watermarking
- A robust spread spectrum based image watermarking in ridgelet domain
self-adaptive-watermarking
- spread spectrum watermarking matlab
New-Stories-(Highway-Blues)
- spread spectrum watermarking matlab
spectrum
- 通过matlab实现基于MATLAB的扩频通信系统设计，内容详细，通俗易懂，可供大家使用，互相学习。-Matlab implementation of MATLAB-based spread spectrum communication system design, detailed, easy to understand for everyone to use, learn from each other.
FFT
- matlab直接序列扩频通信系统，FFT变换抑制窄带干扰技术-Matlab direct sequence spread spectrum communication system, FFT transform inhibit narrowband interference technology
DS-watermark
- 一个简单的扩频语音水印算法，包括pn产生函数，水印的嵌入和提取算法，以及水印的攻击函数，另加两个测试函数，其中out_test是对水印攻击后进行水印的提取。-A simple spread spectrum watermarking algorithm voice, including pn generation function, watermark embedding and extraction algorithms, watermark and attack functions, plu
spread-spectrum--watermarking
- 基于[Ingemar J. Cox, Joe Kilian, F. Thomson Leighton, and Talal Shamoon, Secure Spread Spectrum Watermarking for Multimedia, IEEE Trans. on Image Processing, Dec. 1997]文章实现得水印程序。-Based on [Ingemar J. Cox, Joe Kilian, F. Thomson Leighton, and Talal S