SynthLight: Portrait Relighting with Diffusion Model by Learning to Re-render Synthetic Faces
Sumit Chaturvedi, Mengwei Ren, Yannick Hold-Geoffroy +3 authors
SynthLight, a diffusion model, achieves realistic portrait relighting by combining synthetic data generation, multi-task training, and classifier-free guidance, producing photo-realistic illumination effects while preserving subject identity.