VAE：
What-is-variational-autoencoder-vae-tutorial
Variational-autoencoders-explained
Building variational auto-encoder in tensorflow
Bias-Variance：
Machine Learning Crash Course: Part 4 - The Bias-Variance Dilemma
Understanding the Bias-Variance Tradeoff
Batch Normalization：
YJango的Batch Normalization--介绍