snake

基于curvelet的灰度图像增强，是在变换域里通过修改系数等达到(Curvelet-based gray-scale image enhancement, in the transform domain to achieve by modifying the coefficient)

matlab采用512个频率点绘制各种窗函数的幅频特性(matlab using 512 frequency points, drawing all kinds of window function of the amplitude-frequency characteristics)

线性分类器设计-感知机算法，对一组数据进行分类，分析w不同时的影响(Linear classifier design- Perceptron Algorithm)

利用球贝塞尔函数和汉克尔函数计算低频、中频、高频的雷达散射截面。(The calculation of the radar cross section of low frequency, intermediate frequency, high frequency by using the spherical Bessel function and Hankel function.)

读入视频，将视频转换成JPG格式的图片，并获取所需要的图片。(Read video,convert video to images and capture needed pictures.)

diffraction grattings and optical devises

applies soft-threshold t to all elements of x and computes SURE

说明：  基于单尺度、多尺度、原始的Retinex算法，matlab实现，非常值得研究！在光照增强中有着非常好的应用！(Based on single-scale, multi-scale, the original Retinex algorithm, matlab implementation is worth studying! Increase in light has a very good application!)

matlab project chapter 001

PCM模型，利用simulink建立，可用于课程设计，直接在matlab中打开即可(PCM model)