# GPT Image Hub prompt

## 표정 그리드 인물 교체
- URL: https://www.gptimagehub.com/ko/library/expression-grid-identity-swap
- Generator URL: https://www.gptimagehub.com/ko/generate?promptId=oss-ym-mm-10243
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fko%2Flibrary%2Fexpression-grid-identity-swap
- Category: 인물 및 사진
- Model: gpt-image-2-5-sunburst
- Aspect ratio: 2:3
- Style: photorealistic
- Tags: 표정 그리드, 인물 교체, 인물 사진, 밀착 인화, 포토부스, 이미지 변환
- Updated: 2026-10-27T21:41:58.098Z
- Created: 2026-10-27T21:41:58.098Z

16분할 표정 시트 전체에 대상 인물의 얼굴을 합성합니다. 참조 인물 사진과 그리드 이미지를 변경하여 다양한 포즈를 연출하세요.

### Full prompt
```text
{
  "generation_request": {
    "meta_data": {
      "task_type": "identity_swap_into_existing_expression_grid",
      "version": "v1.0_4x4_expression_grid"
    },
    "input": {
      "mode": "image_to_image",
      "reference_structure_image": "the reference photo showing a [4x4 expression grid]",
      "reference_identity_portrait": "the reference photo of the target person",
      "preserve_identity": true,
      "preserve_facial_features": true,
      "preserve_hairstyle": true,
      "instructions": "Preserve the precise 4x4 grid layout, individual panel cropping, lighting, and simple background from the structure image. Replace the individual across all sixteen panels with the identity from the reference portrait, accurately replicating each panel's facial expression, gaze direction, head tilt, and hand gesture with realistic skin texture and anatomical precision."
    },
    "style": {
      "lighting": "matched to reference grid image",
      "background": "neutral studio background matching reference grid",
      "texture": "natural pore detail, subtle analog film grain, realistic skin rendering"
    },
    "negative_constraints": [
      "distorted hands",
      "extra digits",
      "inconsistent facial features",
      "plastic smooth skin",
      "asymmetrical eyes",
      "text",
      "watermark"
    ]
  }
}
```