{
  "1": {"class_type":"LoadImage","inputs":{"image":"portrait_src.png"}},
  "2": {"class_type":"SUPIR_Upscale","inputs":{
      "supir_model":"SUPIR-v0Q_fp16.safetensors","sdxl_model":"sd_xl_base_1.0.safetensors",
      "image":["1",0],"seed":123,"resize_method":"lanczos","scale_by":2.0,"steps":30,
      "restoration_scale":-1.0,"cfg_scale":4.0,
      "a_prompt":"high quality photograph, detailed skin texture, sharp focus, natural lighting, film grain",
      "n_prompt":"bad quality, blurry, messy, painting, cartoon, oversmoothed, plastic skin",
      "s_churn":5,"s_noise":1.003,"control_scale":1.0,"cfg_scale_start":4.0,"control_scale_start":0.0,
      "color_fix_type":"Wavelet","keep_model_loaded":false,"use_tiled_vae":true,
      "encoder_tile_size_pixels":512,"decoder_tile_size_latent":64,
      "diffusion_dtype":"fp16","fp8_unet":true,"use_tiled_sampling":false}},
  "9": {"class_type":"SaveImage","inputs":{"images":["2",0],"filename_prefix":"supir_upscale"}}
}