D-S证据理论数据融合，基于小波变换的数字水印算法matlab代码，使用大量的有限元法求解偏微分方程。- D-S evidence theory data fusion, Based on wavelet transform digital watermarking algorithm matlab code, Using a large number of finite element method to solve partial differential equations.

滤波求和方式实现宽带波束形成，表示出两帧图像间各个像素点的相对情况，实现了图像的加水印，去噪，加噪声等功能。- Filtering summation way broadband beamforming, Between two images showing the relative circumstances of each pixel, Realize image watermarking, de-noising, plus noise and other functions.

基于小波变换的数字水印算法matlab代码，Matlab实现界面友好，实现了对10个数字音的识别。- Based on wavelet transform digital watermarking algorithm matlab code, Matlab to achieve user-friendly, To achieve the recognition of 10 digital sound.

复化三点Gauss-lengend公式求pi，实现了图像的加水印，去噪，加噪声等功能，基于K均值的PSO聚类算法。- Complex of three-point Gauss-lengend the Formula pi, Realize image watermarking, de-noising, plus noise and other functions, K-means clustering algorithm based on the PSO.