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  },
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    "imageName": "rewards_rewards_chat.png",
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  },
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    "imageName": "rewards_rewards_get.png",
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    "roiBack": "444,78,100,100",
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    "roiFront": "430,72,100,100",
    "roiBack": "430,72,100,100",
    "method": "Template matching",
    "threshold": 0.8,
    "description": "差强人意"
  },
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    "itemName": "chat_1",
    "imageName": "rewards_chat_1.png",
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    "roiBack": "651,161,601,391",
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    "itemName": "chat_2",
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]