严重损坏的老照片人工智能修复

{
  "task": "old_photo_restoration",
  "description": "Restore a heavily damaged vintage photograph of a young girl",
  
  "input_photo_condition": {
    "damage_types": [
      "deep cracks",
      "fold lines",
      "tears across face",
      "scratches",
      "faded colors",
      "paper texture damage",
      "missing parts along crack lines"
    ],
    "age_effects": [
      "yellowish tint",
      "low contrast",
      "washed-out tones",
      "grain/noise"
    ]
  },

  "restoration_goals": {
    "fix_cracks": "remove all cracks and fold marks cleanly",
    "reconstruct_missing_areas": "restore face details naturally where torn",
    "color_correction": "restore natural skin tones without over-saturation",
    "sharpness": "enhance facial details smoothly, maintain softness appropriate for child's portrait",
    "noise_reduction": "remove grain while keeping natural texture",
    "background_cleanup": "smooth restoration of vintage background",
    "preserve_identity": "do NOT alter facial structure or change the person's identity"
  },

  "subject_details": {
    "type": "young girl (approx. 5–7 years old)",
    "hair": "dark brown, two ponytails with small flower hairpins",
    "expression": "smiling, bright eyes",
    "clothing": "vintage floral dress with white collar",
    "pose": "front-facing school-style portrait"
  },

  "output_style": {
    "look": "authentic restored vintage photo",
    "finish": "clean, high-resolution, natural colors",
    "texture": "remove paper wrinkles but preserve slight vintage softness",
    "lighting": "even, soft retro portrait lighting"
  },

  "quality": {
    "resolution": "Ultra HD 4K restoration",
    "clarity": "high but natural (no plastic skin effect)"
  }
}