AI 修复严重受损的老照片

```json
{
  "task": "old_photo_restoration",
  "description": "修复一张严重受损的年轻女孩老照片",
  
  "input_photo_condition": {
    "damage_types": [
      "深裂纹",
      "折痕",
      "面部撕裂",
      "划痕",
      "颜色褪色",
      "纸张纹理损坏",
      "裂纹处缺失部分"
    ],
    "age_effects": [
      "泛黄",
      "低对比度",
      "色彩褪淡",
      "颗粒/噪点"
    ]
  },

  "restoration_goals": {
    "fix_cracks": "彻底清除所有裂纹和折痕",
    "reconstruct_missing_areas": "自然修复撕裂处缺失的面部细节",
    "color_correction": "恢复自然的肤色，避免过度饱和",
    "sharpness": "平滑增强面部细节，保持儿童肖像应有的柔和感",
    "noise_reduction": "去除颗粒感，同时保留自然纹理",
    "background_cleanup": "平滑修复老式背景",
    "preserve_identity": "请勿改变面部结构或人物身份"
  },

  "subject_details": {
    "type": "年轻女孩（约 5-7 岁）",
    "hair": "深棕色，扎着两个小辫子，戴着小花发夹",
    "expression": "微笑，眼神明亮",
    "clothing": "复古碎花连衣裙，带白色衣领",
    "pose": "正面，学校风格肖像照"
  },

  "output_style": {
    "look": "真实修复的复古照片",
    "finish": "干净、高分辨率、自然色彩",
    "texture": "去除纸张褶皱，但保留轻微的复古柔和感",
    "lighting": "均匀、柔和的复古肖像光线"
  },

  "quality": {
    "resolution": "超高清 4K 修复",
    "clarity": "高清晰度但自然（无塑料皮肤效果）"
  }
}
```

---

**Original English:**
{
  "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)"
  }
}