中文说明：实现了图像的灰度化并进一步用于视频监视控，IDW距离反比加权方法，各种kalman滤波器的设计，基于小波变换的数字水印算法matlab代码，使用高阶累积量对MPSK信号进行调制识别，LDPC码的完整的编译码。
English Description：
Realization of image gray-level and further used for video surveillance and control, IDW inverse distance weighting method, the Kalman filter design, digital watermarking algorithm based on wavelet transform Matlab code using higher order cumulants of MPSK signal modulation recognition, full decoding of LDPC codes.