实现了图像的加水印，去噪，加噪声等功能，基于欧几里得距离的聚类分析，AHP层次分析法计算判断矩阵的最大特征值。( Realize image watermarking, de-noising, plus noise and other functions, Clustering analysis based on Euclidean distance, Calculate the maximum eigenvalue judgment matrix of AHP.)