参考文献：
[1]Deep Learning in Neural Network:An overview.Jurgen Schmidhuber
[2]Deep Machine Learning:A New Frontier.Itamar Arel, Derek C. Rose, and Thomas P. Karnowski
[3]Nature:Deep Review.Yann LeCun,Yoshua Bengio,Geoffrey
Hinton
[4]Representation on learning:A review and new perspectives.Yoshua Bengio, Aaron Courville , Pascal Vincent
[5]Deep Learning Methods and Applications.Li Deng and Dong Yu