[
  {
    "itemName": "ch_blue",
    "imageName": "charisma_ch_blue.png",
    "roiFront": "623,142,145,111",
    "roiBack": "623,142,145,111",
    "method": "Template matching",
    "threshold": 0.8,
    "description": "蓝票"
  },
  {
    "itemName": "ch_black",
    "imageName": "charisma_ch_black.png",
    "roiFront": "848,393,141,110",
    "roiBack": "848,393,141,110",
    "method": "Template matching",
    "threshold": 0.8,
    "description": "description"
  },
  {
    "itemName": "ch_check_blue",
    "imageName": "charisma_ch_check_blue.png",
    "roiFront": "587,243,100,100",
    "roiBack": "587,243,100,100",
    "method": "Template matching",
    "threshold": 0.8,
    "description": "蓝票购买确认"
  }
]