咖啡粉脸部超写实

A detailed image generation prompt for creating a hyper-realistic tabletop product photo. The goal is to render the subject's face as a pressed bas-relief impression in finely ground coffee powder, maintaining the exact facial identity from a reference image.

{
  "input": {
    "referenced_image_ids": ["<用户上传的照片_ID>"]
  },
  "frame": {
    "aspect_ratio": "3:4",
    "shot_size": "特写（CU）",
    "orientation": "直向",
    "composition_guide": "中心构图"
  },
  "subject": {
    "subject_type": "人脸印象（来自参考）",
    "identity_summary": "完全匹配上传人物的脸部，但呈现为在细磨咖啡粉中压印的浅浮雕印象（非绘画/印刷品）",
    "visual_signature": {
      "facial_signature": {
        "face_shape": "完全匹配参考",
        "eye_nose_lips_jaw": "完全匹配参考",
        "unique_features": "不改变身分或比例"
      },
      "material_signature": {
        "material_type": "细磨咖啡粉",
        "texture_detail": "超详细微粒、结块、散落粉尘、逼真的压缩痕迹"
      }
    },
    "inventory": {
      "objects_present": [
        "中心带有脸部印记的咖啡渣堆",
        "右侧放着一勺咖啡的不锈钢茶匙"
      ],
      "objects_absent": ["无额外道具", "无文本/标志"]
    }
  },
  "environment": {
    "setting_type": "室内摄影棚桌面",
    "background_surface": "温暖中性米色表面，极简干净"
  },
  "lighting": {
    "primary_source": "左上方柔光箱",
    "shadow_quality": "柔和逼真的阴影",
    "color_temperature": "中性偏暖日光"
  },
  "camera": {
    "angle": "俯视 / 近乎俯视",
    "focal_length_mm": 50,
    "aperture": "f/5.6",
    "focus_behavior": "脸部和汤匙清晰，边缘略虚化"
  },
  "post_processing": {
    "art_medium": "摄影",
    "style_modifiers": "超写实、桌面产品摄影、8K 细节感、自然色彩/对比"
  },
  "negative": {
    "artifact_suppression": "模糊、低分辨率、CGI/3D 感、脸部变形、身分改变、额外特征、悬浮汤匙、不真实反射",
    "content_excludes": "文本、浮水印、标志、杯子/马克杯/盘子、手/人物、插画/卡通"
  }
}

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