https://arxiv.org/abs/1807.05981?context=cs
https://blog.csdn.net/qq_28659831/article/details/78985804
http://sse.tongji.edu.cn/yingshen/course/PR2017Fall/readings/Densely%20Connected%20Convolutional%20Networks.pdf denseNet
http://www.xnb.cn/wechatarticle-8375.html
