 text2image, image2image Latent Consistency Models text2image Latent Diffusion text2image, super-resolution LDM3D text2image, text-to-3D, text-to-pano, upscaling MultiDiffusion text2image MusicLDM text2audio Paint by Example inpainting ParaDiGMS text2image Pix2Pix Zero image editing PixArt-α text2image PNDM unconditional image generation RePaint inpainting Score SDE VE unconditional image generation Self-Attention Guidance text2image Semantic G