Minimal re-implementation of DDIM for learning purposes.
- https://huggingface.co/blog/annotated-diffusion
- https://github.com/lucidrains/denoising-diffusion-pytorch
- https://github.com/huggingface/diffusion-models-class/blob/main/unit1/02_diffusion_models_from_scratch.ipynb
- https://github.com/huggingface/diffusion-models-class/tree/main/unit2 - for guidance and fine tuning