cxeigen是Opencv的核心部分，上传此头文件供大家学习与参考-cxeigen is a core part of Opencv upload this header file for learning and reference

上传两个视频文件，做运动检测的朋友可以下载看看。-Upload two video file, do motion detection friend can download to see.

使用opencv的机器学习模块用多层神经网络算法实现对二维特征的分类。并具有一定的可视化处理。只上传了主要代码。不包含工程文件-Opencv using machine learning module for two-dimensional feature free multilayer neural network algorithm. And have some visualization. Upload only the main code. It does not contain a p