This repository shows how to synthesize face images with poor lighting conditions. The virtual dataset can be used for face image enhancement. Training code: https://github.com/leolya/face-image-light-enhancement
http://graphics.cs.cmu.edu/nsp/course/15-462/Spring04/slides/07-lighting.pdf
https://github.com/zhhoper/DPR
https://github.com/YadiraF/face3d