convolutional neural network tutorial

This article is reproduced from: Http://www.cnblogs.com/lillylin/p/6204099.html xiangbai--"AAAI2017" textboxes:a Fast Text detector with A/single Deep neural network Catalog Authors and related link methods summarize innovation points and contribution methods summary of experimental results and harvesting points author and related link author Thesis downloads Lio Minghui, Shi, Baixiang, Wang Xinggang L

ReproducedUser-awareLinks: https://www.zhihu.com/question/24827633/answer/91489990Source: KnowCopyright belongs to the author. Commercial reprint please contact the author for authorization, non-commercial reprint please specify the source.is usually explained by the chain rules .such as the following neural network Forward propagation For nodes, the net input is as follows:

Reference Pengliang Teacher's video tutorial: Reprint please indicate the source and Pengliang teacher OriginalVideo Tutorials: Http://pan.baidu.com/s/1kVNe5EJ 1. About the nonlinear transformation equation (non-linear transformation function)The sigmoid function (the S-curve) is used as activation functions:1.1 Hyperbolic function (TANH) 1.2 logical functions (logistic function) 2. Implement a simple neural