实现了图像的加水印，去噪，加噪声等功能，BP神经网络用于函数拟合与模式识别，LDPC码的完整的编译码。- Realize image watermarking, de-noising, plus noise and other functions, BP neural network function fitting and pattern recognition, Complete codec LDPC code.

实现了图像的加水印，去噪，加噪声等功能，用MATLAB实现动态聚类或迭代自组织数据分析，BP神经网络用于函数拟合与模式识别。- Realize image watermarking, de-noising, plus noise and other functions, Using MATLAB dynamic clustering or iterative self-organizing data analysis, BP neural network function fitting and