snake

说明：  该代码完成用光流匹配法实现图像匹配，提供代码和参考图(The code to complete using the optical flow matching method for image matching, to provide the code and reference map)

otsu算法的实现，自适应最佳阈值图像分割方法，最大类间方差算法(otsu algorithm, adaptive optimal threshold image segmentation method, Otsu Algorithm)

对包含的data文件中的数据进行感知器算法的方法线性划分(The data files to contain data method of perceptron algorithm. Linear partition)

matlab绘制图形完成后，在句柄窗口实现局部放大，通过鼠标键盘的操作来选择放大区域(matlab graphics rendering is completed, the handle of the window to achieve local amplification, through the operation of mouse and keyboard to select the magnified area)

bp神经网络matlab实现和matlab工具箱使用实例(bp neural network matlab matlab toolbox and use cases to achieve )

三维曲线曲面比较演示系统程序设计 设计一个图形用户界面（GUI）演示常见的三维函数图形，至少包含“三维绘图” 、“选项” 、“退出”等菜单，三维绘图的包括：参数方程x=e-t/20cos(t), y= e-t/20sin(t),z=t其中t 为0到2π、参数方程x=t,y=t2,z=t3其中t为0到1之间（在同一图形界面中分别绘制它们的三维曲面和三维曲线图）。“选项”菜单主要包括：网格开关，图例开关，坐标边框开关，色度空间选择菜单，曲线颜色菜单。(Comparison of three-dimensional curves and surfaces demonstration system design to design a graphical user interface (GUI) presentation function common three-dimensional graphics, at least three-dimensional graphics, options , Exit menu, etc., three-dimensional graphics, including: parameters of equation x = et/20cos (t), y = et/20sin (t), z = t one of t from 0 to 2π, parametric equation x = t, y = t2, z = t3 which t is between 0-1 (in the same graphical interface, respectively, three-dimensional mapping of their surface and three-dimensional curves). Options menu includes: grid switches, legend switches, coordinate frame switch, color space selection menu, menu color curve.)

说明：  巴特沃斯滤波的算法，希望对大家有所帮助，自己写的。(Butterworth filter algorithm, we want to help, his writing.)

These are knn algorithm documentations...

Matlab code for Variable Selection

encoding and decoding using huffman