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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
thecodeofdigitalwatermarking
- 用伪随机虚里进行扩频的水印算法，抗攻击性强。-using pseudo-random spreading false Lane for the watermark algorithm, anti-attacking.
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-
sswm111
- 扩频水印算法的程序,实现原始图像的读入,水印的嵌入以及水印的提取等
00650120
- 这是一篇数字水印技术的经典之作，利用通信扩频技术进行水印模型的建立。
cox
- COX提出DCT域扩频水印嵌入算法。 这个算法是一个非盲水印，可以在此基础上改进得到盲水印算法
112233
- 基于混沌置乱和混合变换域的扩频水印方案 要的看看~
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.
kuopin2
- 扩频隐写算法,希望对学习信息隐藏的同学有帮助-Spread-spectrum steganography algorithm, in the hope that students learn information hiding help
DigitalWatermarking
- 基于扩频序列和小波变换的数字水印算法 的仿真程序-Sequence spread-spectrum based on wavelet transform and the digital watermarking algorithm simulation program
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
kuopin_wangying
- 王颖：数字图像水印 用扩频方法实现数字水印-Wayne Wang: Digital image watermarking method using spread-spectrum digital watermarking
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.
dds
- 直接序列扩频码的仿真，介绍了通过PN码实现扩频系列的设计和运用-Simulation of direct-sequence spread-spectrum code, introduced by PN code to achieve the design and use of spread spectrum
PSKFSK
- 通过随机码系列，实现多个用户的M系列，完成扩频通信系统产生M系列的实现功能-Through random code series, M series of multiple users to complete a spread spectrum communication system to produce the realization of M-functions
communication
- 扩频通信系统编程~~带高斯白噪声-Spread Spectrum Communication System Programming ~ ~ with a Gaussian white noise
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
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
直接序列扩频水印的嵌入与提取
- 实现直接序列扩频水印的嵌入与提取。基于待嵌入消息生成二进制水印序列,生成扩频码，用消息序列调制生成水印序列。依次处理灰度图像的每一个载体图像像素，根据相应位置 水印序列完成嵌入修改。(Realize the embedding and extraction of direct sequence spread spectrum watermark. The binary watermark sequence is generated based on the message to be embed