Prompt détaillé pour la restauration de vieilles photos à l'aide de GPT Image 1.5

Un prompt JSON très détaillé et structuré, conçu pour la restauration de portraits de vieilles photos, comparant les résultats entre Nano Banana Pro et GPT Image 1.5. Le prompt se concentre sur le maintien de la fidélité de l'identité, l'amélioration de détails spécifiques comme les yeux et la texture de la peau, et le contrôle de l'éclairage et de la qualité de l'image pour un résultat ultra-réaliste et cinématographique.

Consigne

```json
{
  "task": "portrait_restoration",
  "language": "zh-CN",
  "prompt": {
    "subject": {
      "type": "human_portrait",
      "identity_fidelity": "match_uploaded_face_100_percent",
      "no_facial_modification": true,
      "expression": "natural",
      "eye_detail": "sharp_clear",
      "skin_texture": "ultra_realistic",
      "hair_detail": "natural_individual_strands",
      "fabric_detail": "rich_high_frequency_detail"
    },
    "lighting": {
      "exposure": "bright_clear",
      "style": "soft_studio_light",
      "brightness_balance": "even",
      "specular_highlights": "natural_on_face_and_eyes",
      "shadow_transition": "smooth_gradual"
    },
    "image_quality": {
      "resolution": "8k",
      "clarity": "high",
      "noise": "clean_low",
      "artifacts": "none",
      "over_smoothing": "none"
    },
    "optics": {
      "camera_style": "full_frame_dslr",
      "lens": "85mm",
      "aperture": "f/1.8",
      "depth_of_field": "soft_shallow",
      "bokeh": "smooth_natural"
    },
    "background": {
      "style": "clean_elegant",
      "distraction_free": true,
      "tone": "neutral"
    },
    "color_grading": {
      "style": "cinematic",
      "saturation": "rich_but_natural",
      "white_balance": "accurate",
      "skin_tone": "natural_true_to_subject"
    },
    "style_constraints": {
      "no_cartoon": true,
      "no_beauty_filter": true,
      "no_plastic_skin": true,
      "no_face_reshaping": true,
      "no_ai_face_swap": true
    }
  },
  "negative_prompt": [
    "cartoon",
    "anime",
    "cgi",
    "painterly",
    "plastic skin",
    "over-smoothing",
    "over-sharpening halos",
    "heavy skin retouching",
    "face reshaping",
    "identity drift",
    "face swap",
    "beauty filter",
    "uncanny",
    "washed out",
    "color cast",
    "blown highlights",
    "crushed shadows",
    "banding",
    "jpeg artifacts",
    "extra fingers",
    "deformed eyes",
    "asymmetrical face",
    "warped features"
  ],
  "parameters": {
    "fidelity_priority": "identity",
    "detail_priority": "eyes_skin_hair_fabric",
    "realism_strength": 0.95,
    "sharpening": "micro_contrast_only",
    "skin_retention": "keep_pores_and_microtexture",
    "recommended_denoise": "low_to_medium"
  }
}
```