表情九宮格人物置換

{
  "generation_request": {
    "meta_data": {
      "task_type": "identity_swap_into_existing_expression_grid",
      "version": "v1.0_4x4_expression_grid"
    },
    "input": {
      "mode": "image_to_image",
      "reference_structure_image": "展示[4x4表情網格]的參考圖片",
      "reference_identity_portrait": "目標人物的參考肖像圖片",
      "preserve_identity": true,
      "preserve_facial_features": true,
      "preserve_hairstyle": true,
      "instructions": "保持結構參考圖精確的4x4網格佈局、畫框裁剪、光影和簡潔背景。將所有16個分鏡中的人物替換為肖像參考圖中的人物特徵，同時精準還原每個畫面的面部表情、視線方向、頭部姿態和手勢動作，確保自然的皮膚紋理與解剖結構準確性。"
    },
    "style": {
      "lighting": "與網格參考圖的光線完全匹配",
      "background": "與網格參考圖一致的中性攝影棚背景",
      "texture": "自然皮膚毛孔細節、微弱膠片噪點、寫實皮膚質感"
    },
    "negative_constraints": [
      "畸變的手部",
      "多餘手指",
      "五官特徵不一致",
      "假面塑膠感皮膚",
      "不對稱眼睛",
      "文字",
      "水印"
    ]
  }
}