# GPT Image Hub prompt

## Chân Dung Nam Studio Đơn Sắc Đầy Kịch Tính
- URL: https://www.gptimagehub.com/vi/library/dramatic-monochrome-studio-male-portrait-2
- Generator URL: https://www.gptimagehub.com/vi/generate?promptId=oss-ym-mm-11673
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fvi%2Flibrary%2Fdramatic-monochrome-studio-male-portrait-2
- Category: Chân dung và nhiếp ảnh
- Model: gpt-image-2-5-sunburst
- Aspect ratio: 3:4
- Style: photorealistic
- Tags: đơn sắc, chân dung nam, ánh sáng studio, ánh sáng rembrandt, đen trắng, chân dung tham chiếu
- Updated: 2026-10-27T12:46:38.098Z
- Created: 2026-10-27T12:46:38.098Z

Tạo ảnh chân dung nam studio đen trắng tương phản cao với ánh sáng Rembrandt dựa trên ảnh tham chiếu. Tùy chỉnh tư thế, cách bố trí đèn hoặc biểu cảm khuôn mặt.

### Full prompt
```text
{
  "master_prompt": {
    "scene_type": "cinematic monochrome male portrait photography",
    "reference_requirement": {
      "identity_match": "precisely replicate the subject from the reference photo",
      "facial_accuracy": [
        "bone structure",
        "eye shape and spacing",
        "nose proportions",
        "jawline and cheekbone structure",
        "facial symmetry",
        "hairline and hairstyle",
        "beard density if present"
      ],
      "skin_texture": "natural skin pores, fine lines, authentic texture preserved",
      "no_artificial_smoothing": true
    },
    "subject": {
      "type": "[mature confident man]",
      "expression": {
        "mood": "serious, calm, quietly powerful",
        "gaze": "looking directly at the camera",
        "emotion": "focused and introspective"
      }
    },
    "facial_hair": {
      "adaptive": true,
      "rules": [
        "replicate beard exactly if present in reference photo",
        "match density, edges, and shape",
        "natural tonal variation including salt-and-pepper if visible"
      ],
      "clean_shaven_rule": "if clean-shaven, emphasize sharp jawline and natural skin texture"
    },
    "hairstyle": {
      "adaptive": true,
      "requirement": "exact hairstyle replication from reference photo",
      "details": [
        "natural hair flow",
        "visible strand detail",
        "subtle highlight reflections"
      ]
    },
    "pose": {
      "style": "confident portrait pose",
      "description": [
        "head slightly angled toward camera",
        "[one hand resting lightly against chin or jaw]",
        "relaxed but thoughtful posture",
        "fingers naturally positioned with visible skin texture"
      ]
    },
    "lighting": {
      "style": "dramatic Rembrandt studio lighting",
      "contrast": "deep cinematic contrast",
      "key_light": {
        "position": "high above and slightly to the viewer's right",
        "type": "large softbox or diffused studio light",
        "effect": "sculpted highlights on forehead, nose bridge, cheekbones, and beard texture"
      },
      "shadow_style": [
        "soft triangular Rembrandt shadow on the cheek",
        "deep but detailed shadow side",
        "enhanced facial bone structure"
      ],
      "fill_light": {
        "intensity": "minimal",
        "purpose": "retain subtle midtone detail without flattening contrast"
      },
      "rim_light": {
        "intensity": "subtle",
        "placement": "hairline and shoulder edge",
        "purpose": "separate subject from background"
      },
      "catchlights": {
        "type": "small natural studio reflection",
        "placement": "centered within both eyes"
      }
    },
    "background": {
      "type": "pure deep black background",
      "texture": "none",
      "light_spill": "fully absorbed"
    },
    "composition": {
      "orientation": "vertical portrait"
    }
  }
}
```