Classifier-Free Diffusion Guidance, Jonathan Ho, Tim Salimans, 2022arXiv preprint arXiv:2207.12598DOI: 10.48550/arXiv.2207.12598 - Presents Classifier-Free Guidance (CFG), a fundamental method for controlling diffusion models by interpolating between conditional and unconditional predictions.
Photorealistic Text-to-Image Diffusion Models with Deep Language Understanding, Chitwan Saharia, William Chan, Saurabh Saxena, Lala Li, Jay Whang, Emily Denton, Seyed Kamyar Seyed Ghasemipour, Burcu Karagol Ayan, S. Sara Mahdavi, Rapha Gontijo Lopes, Tim Salimans, Jonathan Ho, David J Fleet, Mohammad Norouzi, 2022Advances in Neural Information Processing Systems (NeurIPS) 35DOI: 10.48550/arXiv.2205.11487 - Presents the Imagen model and introduces dynamic thresholding as a technique to improve image quality and prompt adherence at high guidance scales.