# GPT Image Hub prompt

## Modèle de remplacement d'identité sur portrait
- URL: https://www.gptimagehub.com/fr/library/reference-portrait-identity-replacement-template
- Generator URL: https://www.gptimagehub.com/fr/generate?promptId=oss-ym-g2-35567
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Ffr%2Flibrary%2Freference-portrait-identity-replacement-template
- Category: Portrait et photographie
- Model: gpt-image-2
- Aspect ratio: 3:4
- Style: photorealistic
- Tags: remplacement d'identité, échange de visage, photographie de portrait, modèle de référence, photo smartphone, photoréalisme
- Updated: 2026-10-27T09:42:18.098Z
- Created: 2026-10-27T09:42:18.098Z

Remplace le visage d'une photo de référence par une personne fictive tout en conservant pose, tenue et décor. Modifiez les crochets pour ajuster les traits souhaités.

### Full prompt
```text
{
  "prompt_type": "reference_template_identity_replacement",
  "core_rule": "Use the supplied reference image as a locked photographic template. Preserve the photograph as closely as possible, but replace the subject's facial identity with a completely different fictional adult woman.",
  "preserve": [
    "exact pose and body position",
    "head angle and gaze direction",
    "camera angle, height, perspective, and framing",
    "subject scale and crop",
    "background and environment",
    "lighting and shadows",
    "hairstyle, hair length, and hair placement",
    "all clothing, colors, fabrics, patterns, and fit exactly as shown",
    "all accessories, glasses, and jewelry exactly as shown",
    "overall smartphone photography aesthetic"
  ],
  "identity_change": {
    "instruction": "Generate a completely different fictional adult [woman]. Do not retain the reference subject's recognizable facial identity or underlying facial bone structure.",
    "modified_features": [
      "face shape",
      "eyes, eye shape, and eye spacing",
      "eyebrows",
      "nose profile",
      "cheekbones",
      "jawline and chin",
      "lips and mouth shape",
      "overall facial proportions"
    ],
    "constraint": "The new subject must clearly appear as an entirely different person while retaining identical composition, lighting, and wardrobe."
  },
  "clothing_and_accessories": {
    "instruction": "Do not redesign, recolor, or invent new wardrobe pieces. Faithfully replicate every visible garment and accessory from the reference photo.",
    "elements": [
      "tops and bottoms",
      "outerwear",
      "footwear",
      "eyewear",
      "jewelry such as rings, necklaces, earrings, and bracelets",
      "handbags and worn accessories"
    ]
  },
  "photography": {
    "style": "authentic candid smartphone photograph",
    "realism": "hyperrealistic, natural skin texture with visible pores and subtle imperfections",
    "processing": "natural smartphone HDR, minimal and believable retouching"
  },
  "cleanup": [
    "remove text, watermarks, and logos",
    "remove captions and user interface elements",
    "remove digital borders and letterboxing"
  ],
  "negative_prompt": [
    "same woman",
    "same face",
    "facial duplicate",
    "recognizable celebrity",
    "different pose",
    "different camera angle",
    "different background",
    "modified clothing",
    "missing accessories",
    "CGI",
    "3D render",
    "airbrushed plastic skin",
    "illustration"
  ]
}
```