明暗對比棚拍面部置換人像

{
  "meta": {
    "image_dna": {
      "type": "照片",
      "orientation_lock": "9:16",
      "sensor_emulation": "索尼Alpha，35毫米膠片顆粒模擬"
    }
  },
  "spatial_orientation_engine": {
    "subject_facing_direction": "頭部轉向左側並微仰",
    "body_rotation": "軀幹微向右傾斜，左肩向前",
    "camera_position_relative": "機位相對軀幹平視，相對面部仰角略低"
  },
  "camera_optics_and_geometry": {
    "lens_profile": {
      "focal_length": "85毫米人像遠攝鏡頭",
      "aperture": "f/2.8 淺景深，焦點精準落在眼睛和唇部",
      "lens_character": "電影感柔和質感與高微對比度"
    },
    "optical_flaws": [
      "ISO 800膠片顆粒",
      "肩部柔和失焦虛化",
      "高光處微弱光暈"
    ]
  },
  "environment_and_physics": {
    "lighting_engine": {
      "primary_source": "左上方（10點鐘高位）強聚光燈或狹縫光",
      "radiosity_color_bleed": "暖色膚色反射到衣物內領",
      "shadow_structure": "明暗對照法（Chiaroscuro），面部右側及背景呈深邃死黑",
      "volumetrics": "純淨影棚空氣，極微弱大氣薄霧"
    },
    "surface_physics": {
      "weather_impact": "無（室內影棚環境）",
      "material_response": "肩部、鼻樑及顴骨皮膚的高鏡面反射"
    }
  },
  "objects_and_actors": [
    {
      "id": "MAIN_SUBJECT",
      "role": "保持參考影象中的人物特徵",
      "pose_engineering": {
        "skeletal_rig": "頸椎延伸並向左旋轉，左肩抬起，下巴微揚",
        "gaze_vector": "目光朝向左上方順著光源看去",
        "interaction_physics": "衣物寬鬆垂落，自然從肩膀滑落"
      },
      "physiological_state": {
        "body_temp_visuals": "溫暖通透，臉頰微泛紅暈",
        "skin_light_interaction": "肩部及鼻樑處強鏡面高光，受光邊緣呈現次表面散射"
      },
      "clothing_simulation": {
        "garment_stack": "[駝色毛圈布浴袍]",
        "fabric_mechanics": "厚重織物垂墜，滑落露出鎖骨",
        "texture_and_wear": "高摩擦毛圈質感，柔軟凹凸布面"
      },
      "identity_placeholders": {
        "skin_tone": "匹配參考圖片",
        "face_structure": "匹配參考圖片",
        "hair_style": "匹配參考圖片"
      }
    }
  ],
  "off_screen_context": {
    "reflections": "方向聚光燈在虹膜上方形成的眼神光",
    "implied_environment": "暗調極簡攝影棚"
  }
}