image-segmentaion

用于求解半线性椭圆问题的瀑布型多网格算法，可以求解到很高的精度，(Used to solve semi-linear elliptic problem Falls Multi-grid method, you can solve to a high precision,)

基于matlab环境编译的创建人脸数据库，特征提取，人脸识别源码程序，运行时识别率较高。( based on MATLAB environment， creates face database, Feature extraction ，face recognition program,having a high recognition rate)

说明：  滑膜观测器matlab仿真实现滑膜观测器的基本功能(The basic function of the sliding film observer realized by MATLAB simulation)

My code is implementation of classic snakes, according to the article of Active contour model. I m making reduction of external curve to the center which searching for extremum (the strongest intensity gradient of edge).

基于matlab将某个灰度值范围内的图像表现的更加突出，形成更好的对比。(Matlab will be a gray value within the image is more prominent, forming a better contrast.)

此程序为瑞雷面波最小二乘反演程序，适合于初步接触瑞雷面波反演研究相关方面的人员。(This procedure for the Rayleigh wave least squares inversion procedure is suitable for the initial contact Rayleigh wave inversion research personnel.)

此为《MATLAB教程》的第九章：稀疏矩阵。该书内容翔实，深入浅出，不可多得。(This is the MATLAB Guide in Chapter IX: sparse matrix. Book is informative, easy, hard to come by.)

矩阵联合对角化的ARD算法。超级经典。超级简单。超级好用。(ARD lization of the matrix algorithm. Super classic. Super simple. Super easy to use.)

Xbee API Frame CheckSum Calculte

此函数实现含噪语音的信噪比的计算，以最小帧算法为基础。(Implementation of this function of the signal to noise ratio of noisy speech has calculated that, with the smallest frame-based algorithm.)