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watermark
- 这个算法能使用DCT变换在图像中加入和检测出水印，抗干扰性能比较强，而且算法比较优化。-The algorithm can use the DCT transform in the image by adding and testing a watermark, a strong anti-interference performance, and optimization algorithms.
Chapter7
- 小波变换代码，能够进行小波的分级以及综合，为了图像的更好现实，加入了图像色彩的变换-Wavelet transform code, to the classification and wavelet integrated, in order to better image the reality, adding color to transform the image
adding-noise
- 这是一个噪声发生器的matlab源代码，包括椒盐噪声，高斯噪声-noise ganerator including gaussian and pepper noise
fastICA
- 在Matlab中对一组随机波形加入干扰后快速分离出来的fastICA算法-In Matlab on a set of random waveforms by adding interference quickly isolated the fastICA algorithms
bpskd
- 使用matlab实现的BPSK信号产生和加入噪声前后的频谱对比以及FFT测频和一阶差分法测频对比-Using matlab to achieve the BPSK signal generator and adding noise before and after the spectrum contrast and FFT frequency measurement and first-order differential method to measure the frequency cont
Audio-watermarking-internship-report
- 音频信号的水印设计，以音频信号为载体，将秘密信号嵌入载体音频信号当中， 实现音频信号的水印。采用变换域小波变换（DWT）的技术，将音频信号进行小波变换，提取出低频分量，然后将水印嵌入到音频信号的低频当中。实验当中先在MATLAB 上面进行了仿真实验，并且通过加入噪声以及滤波等进行干扰以此检测了算法的透明性和健壮性，然后利用C 语言进行了测试，最后经 过一些修改，例如加入定时器以及进行中断的处理和加入缓冲在DSP 板子上实现了加入水印的音频声音的播放。-Audio signal water
am
- AM信号加入高斯白噪声，然后通过带通滤波器，达到除噪声的功能，并且显示图像-AM signal by adding white Gaussian noise, then passed through a bandpass filter, to achieve in addition to the function of the noise, and the display image