Batch Normalization
https://towardsdatascience.com/batch-normalization-in-neural-networks-1ac91516821c
AlexNet
architecture
https://www.learnopencv.com/understanding-alexnet/
implementation with pytorch
https://github.com/dansuh17/alexnet-pytorch/blob/master/model.py
Residual Connection
theory
https://principlesofdeeplearning.com/index.php/a-simple-tutorial-on-residual-networks/
implementation with pytorch
https://discuss.pytorch.org/t/add-residual-connection/20148
