[
  {
    "itemName": "u_confirm_small",
    "imageName": "utilize_u_confirm_small.png",
    "roiFront": "672,513,131,60",
    "roiBack": "672,513,131,60",
    "method": "Template matching",
    "threshold": 0.8,
    "description": "小一个尺寸的 确认按钮"
  }
]