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

bp神经网络的算法实现，主要用于分类，检测等，很有效的方法。-bp neural network realization algorithm for classification and testing

利用神经网络进行标准印刷体数字识别，对0-9十类数字进行准确分类。(The neural network is used to identify the standard print numbers, and the 0-9 and ten types of digits are classified accurately.)