make_image_grid([init_image, mask_image, image.resize((512, 512))], rows=1, cols=3) This ensemble of expert denoisers method works well for all available schedulers!  Base to refiner model SDXL gets a boost in image quality by using the refiner model to add additional high-quality details to the fully-denoised image from the base model, in an image-to-image setting. Load the base and refiner models:   Copied from diffusers import DiffusionPipeline