内含心电信号数据及运用MATLAB写的源代码，基于小波变换的数字水印算法matlab代码，wolf 方法计算李雅普诺夫指数。- ECG data and includes source code written in MATLAB, Based on wavelet transform digital watermarking algorithm matlab code, wolf calculated Lyapunov exponent.

内含心电信号数据及运用MATLAB写的源代码，基于小波变换的数字水印算法matlab代码，Gabor小波变换与PCA的人脸识别代码。- ECG data and includes source code written in MATLAB, Based on wavelet transform digital watermarking algorithm matlab code, Gabor wavelet transform and PCA face recognition code.