https://github.com/tensorflow/models/blob/master/research/slim/nets/resnet_v1.py
https://github.com/tensorflow/models/blob/master/research/slim/nets/resnet_v2.py
https://github.com/tensorflow/models/blob/master/research/slim/nets/resnet_utils.py
https://github.com/tensorflow/models/blob/1af55e018eebce03fb61bba9959a04672536107d/tutorials/image/cifar10/cifar10_multi_gpu_train.py
https://blog.csdn.net/wayne2019/article/details/78756218
https://www.jianshu.com/p/243ee5803837
https://zhuanlan.zhihu.com/p/49615848
https://zhuanlan.zhihu.com/p/51278710
[peper] Improved Bottleneck Features Using Pretrained Deep Neural Networks
https://www.semanticscholar.org/paper/Improved-Bottleneck-Features-Using-Pretrained-Deep-Yu-Seltzer/de8d30f9c59be0c235ae2de7da77993e54f9f91f