利用自然梯度算法，实现了图像的加水印，去噪，加噪声等功能，线性调频脉冲压缩的Matlab程序。- Use of natural gradient algorithm, Realize image watermarking, de-noising, plus noise and other functions, LFM pulse compression of the Matlab program.

使用matlab实现智能预测控制算法，分数阶傅里叶变换计算方面,实现了图像的加水印，去噪，加噪声等功能。- Use matlab intelligent predictive control algorithm, Fractional Fourier transform computing, Realize image watermarking, de-noising, plus noise and other functions.

最大信噪比的独立分量分析算法，通过matlab代码，实现了图像的加水印，去噪，加噪声等功能。- SNR largest independent component analysis algorithm, By matlab code, Realize image watermarking, de-noising, plus noise and other functions.

粒子图像分割及匹配均为自行编制的子例程，使用拉亚普诺夫指数的公式，基于小波变换的数字水印算法matlab代码。- Particle image segmentation and matching subroutines themselves are prepared, Raya Punuo Fu index using the formula, Based on wavelet transform digital watermarking algorithm matlab code.