{
    "inputUrl": "rtsp://192.168.1.138:8557/h264",
    "cameraId": "yxy-office",
    "alg":{
        "mask":
            {"var": 50.0,
            "conf": 0.5,
            "iou": 0.5,
            "devId": 0,
            "pointList": "(509,203)(1313,201)(1317,955)(505,961)",
            "ydTime": 5,
            "lgTime": 100,
            "jgTime": 60,
            "czTime": 2,
            "personNumber": 2
            }
        }
}