# GPT Image Hub prompt

## 智慧型手機前置自拍模擬
- URL: https://www.gptimagehub.com/zh-TW/library/smartphone-front-camera-selfie-simulation
- Generator URL: https://www.gptimagehub.com/zh-TW/generate?promptId=oss-ym-mm-1259
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fzh-TW%2Flibrary%2Fsmartphone-front-camera-selfie-simulation
- Category: 人像與攝影
- Model: gpt-image-2-5-sunburst
- Aspect ratio: 9:16
- Style: photorealistic
- Tags: 自拍, 智慧型手機, 前置鏡頭, 真實膚質, json提示詞, 人像攝影
- Updated: 2026-10-28T02:14:43.098Z
- Created: 2026-10-28T02:14:43.098Z

生成具備真實肌膚紋理、鏡頭變形與色調映射的自然自拍照。可透過括號修改光線、表情與髮型細節。

### Full prompt
```text
{
  "metadata": {
    "device_simulation": "iPhone 17 Pro 前置攝像頭",
    "goal": "模擬智慧手機前置鏡頭的真實自拍照片",
    "output_type": "photograph"
  },
  "camera_system": {
    "lens": {
      "focal_length": "等效26毫米",
      "aperture": "f/1.8",
      "distortion_profile": "手機前置廣角微弱的桶形畸變",
      "depth_estimation": "TrueDepth深度模擬，主體與背景精準景深過渡",
      "flare_behavior": "明亮逆光邊緣的自然微炫光"
    },
    "sensor": {
      "resolution": "2400萬畫素融合感測器輸出",
      "hdr_engine": "Smart HDR多幀色調對映",
      "noise_profile": {
        "shadows": "細膩自然的明度噪點",
        "midtones": "清晰且保留真實紋理，無塑膠感",
        "highlights": "高光過渡柔和且不過曝"
      },
      "color_space": "Apple Display P3廣色域模擬",
      "dynamic_range": "對比自然的高動態範圍平衡"
    }
  },
  "lighting_simulation": {
    "source_type": "[窗邊灑入的柔和自然日光]",
    "lighting_quality": "柔和定向光，陰影過渡平滑羽化",
    "shadow_properties": {
      "edge_quality": "邊緣柔和發散",
      "density": "自然的中間調深度",
      "placement": "與手持自拍角度完全吻合"
    },
    "highlight_properties": {
      "treatment": "保護高光細節，衰減柔和",
      "skin_reflectance": "鼻樑、額頭及顴骨上的微小自然高光反射"
    },
    "ambient_fill": "智慧手機ISP典型的柔和環境補光",
    "color_temperature": "[中性偏暖的日光色溫]"
  },
  "subject_rendering": {
    "face": {
      "skin_texture": {
        "pores": "細膩可見的天然毛孔與真實皮膚紋理",
        "imperfections": "微小瑕疵、輕微膚色不均、柔軟細微絨毛",
        "constraints": "嚴禁磨皮美顏，無塑膠質感，無AI生成的完美光滑表面"
      },
      "facial_contours": "符合TrueDepth測距的真實面部輪廓與自然陰影衰減",
      "expression": "[直視鏡頭、自然放鬆的淺淺微笑]",
      "eye_detail": {
        "reflections": "精確匹配環境光源的微小眼神光",
        "sharpness": "虹膜紋理清晰逼真"
      }
    },
    "hair": {
      "strand_detail": "帶有自然不規則走向的髮絲細節",
      "flyaways": "幾根自然凌亂的微碎髮",
      "volume": "[自然髮量的棕色頭髮]",
      "lighting_interaction": "柔和的自然光澤與高光質感"
    },
    "hands_and_arms": {
      "selfie_arm_position": "自拍單臂向前自然延伸，略微延伸出畫框底部",
      "perspective_distortion": "符合廣角近距透視的輕微近大遠小壓縮感"
    }
  }
}
```