https://github.com/EPC-MSU/EduNet-lectures/blob/dev-2.0/out/L06_CNN.ipynb
https://cs231n.github.io/convolutional-networks/
https://docs.google.com/presentation/d/1THQa0ILp6UOJKkxlJ4U6iPDUhg9NMfd4wNg2iFmYia4/edit
https://www.youtube.com/watch?v=6w1mO90stc0&list=PL-KRBoUl__Zc5dYuItKv-64Wbfrq5tZkZ&index=2&t=5669s