# GPT Image Hub prompt

## Chân Dung Cặp Đôi Tự Nhiên Khóa Khuôn Mặt
- URL: https://www.gptimagehub.com/vi/library/candid-indoor-couple-portrait-with-reference-lock
- Generator URL: https://www.gptimagehub.com/vi/generate?promptId=oss-ym-mm-3993
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fvi%2Flibrary%2Fcandid-indoor-couple-portrait-with-reference-lock
- Category: Chân dung và nhiếp ảnh
- Model: nanobananapro
- Aspect ratio: 4:5
- Style: photorealistic
- Tags: chân dung cặp đôi, khóa danh tính, chụp ảnh tự nhiên, không gian ấm cúng, áo len dệt kim, ảnh tham chiếu
- Updated: 2026-10-26T20:30:08.098Z
- Created: 2026-10-26T20:30:08.098Z

Tạo bức chân dung cặp đôi trong nhà tự nhiên với khuôn mặt khớp chính xác ảnh tham chiếu. Tùy chỉnh trang phục trong ngoặc vuông hoặc bối cảnh phòng tùy ý.

### Full prompt
```text
{
  "image_prompt": {
    "reference": {
      "female_face": {
        "source": "uploaded reference photo of the woman",
        "identity_lock": true,
        "face_accuracy": "exact match to reference photo, preserving facial structure, features, skin texture, and natural expression"
      },
      "male_face": {
        "source": "uploaded reference photo of the man",
        "identity_lock": true,
        "face_accuracy": "exact match to reference photo, preserving facial structure, beard, skin texture, and natural expression"
      }
    },
    "subjects": {
      "female": {
        "appearance": {
          "hair": "matching reference photo in length, color, and texture",
          "skin": "natural skin tone and texture matching reference"
        },
        "clothing": {
          "top": "[white chunky knit sweater]",
          "fit": "loose, cozy"
        },
        "pose": {
          "position": "standing slightly behind the man",
          "interaction": "arms wrapped gently around his shoulders",
          "expression": "gentle, affectionate smile"
        }
      },
      "male": {
        "appearance": {
          "hair": "matching reference photo",
          "facial_hair": "matching reference photo",
          "skin": "natural skin tone and texture matching reference"
        },
        "clothing": {
          "top": "[dark t-shirt]",
          "accessories": "[baseball cap worn forward]"
        },
        "pose": {
          "position": "standing in front",
          "interaction": "relaxed posture, leaning slightly back",
          "expression": "calm, subtle smile"
        }
      }
    },
    "environment": {
      "location": "[cozy modern apartment interior]",
      "background": ["neutral warm walls", "minimalist soft decor"],
      "constraints": ["no mirrors", "no duplicate reflections"]
    },
    "camera": {
      "shot_type": "medium close-up",
      "angle": "eye-level",
      "framing": "both subjects centered and sharply in focus",
      "depth_of_field": "shallow, softly blurred background"
    },
    "lighting": {
      "type": "soft diffuse indoor lighting",
      "tone": "warm and balanced",
      "shadows": "subtle, flattering"
    },
    "style": {
      "aesthetic": "natural candid portrait photography",
      "color_grading": "warm muted tones, authentic film look"
    },
    "constraints": {
      "preserve_identities": true,
      "no_beauty_filters": true,
      "no_morphing": true
    }
  }
}
```