课程设计，mfcc特征提取，matlab实现，代码比较简短-Curriculum design, mfcc feature extraction, matlab, the code is relatively brief

vtk实现构建八叉树且显示的代码，值得学习vtk的同志学习，也值得八叉树构建的参考.加入大数据快速显示代码。需要配置vtk-Reference vtk achieve and build octree code is displayed, it is worth learning vtk comrades to learn, but also worthy Octree Construction

采用水平集技术实现图像分割。。。。。经典的水平集分割方法。。。。。。完整的全部代码。。。。。。。(The level set technique is used to realize image segmentation. The classical level set segmentation method. The complete code.)