两个matlab程序，一个实现图像的桶型畸变（Barrel Distortion），另外一个可以还原已经桶形畸变的图像-Two matlab programs,one is able to translate picture to Barrel Distortion.the other can return the translated picture.

使用分水岭算法进行图像分割，包含边缘检测，傅里叶变换滤波等内容，文件包含.m源码以及测试图片 -Using the watershed algorithm for image segmentation, including edge detection, Fourier transform filtering,containing source code and test images

抽样定理的实验体会,快速Fourier变换(FFT)及其应用等等的作业源码(Sampling theorem of the experimental experience, fast Fourier transform (FFT) and its application source code, and so on homework)