mbination with unet to denoise the encoded image latents.    Pipeline for upscaling Stable Diffusion output image resolution by a factor of 2. This model inherits from DiffusionPipeline. Check the superclass documentation for the generic methods
implemented for all pipelines (downloading, saving, running on a particular device, etc.). The pipeline also inherits the following loading methods: from_single_file() for loading .ckpt files  __call__ 