JSON_EventNotificationAlert_safetyHelmetDetection

The details about hard hat detection alarm are uploaded in JSON format of EventNotificationAlert message, here shows an example.

Hard Hat Detection Alarm with Binary Picture Data

Content-Type: multipart/form-data; boundary=MIME_boundary
--MIME_boundary
Content-Type: application/json
Content-Length: 480

{
  "ipAddress":, 
/*required, string, IPv4 address of alarm device, the maximum size is 32 bytes*/
  "ipv6Address":"", 
/*optional, string, IPv6 address of alarm device, the maximum size is 128 bytes*/
  "portNo":, 
/*optional, integer32, port No. of alarm device*/
  "protocolType":"", 
/*optional, string, protocol type: "HTTP", "HTTPS", "EHome"; the maximum size is 32 bytes*/
  "macAddress":"", 
/*optional, string, MAC address, the maximum size is 32 bytes*/
  "channelID":, 
/*optional, integer32, device channel No. triggering alarm*/
  "releatedChannelList": [1,2,3],
/*optional, array of integers, list of alarm related channels, which are of the same camera with channelID; this parameter is used for live view or playback on the platform*/
  "dateTime":"", 
/*required, string, alarm triggered time (ISO 8601 time format), the maximum size is 32 bytes*/
  "activePostCount":, 
/*required, integer32, uploaded times of one alarm*/
  "eventType":"", 
/*required, string, triggered event type, here it should be set to "safetyHelmetDetection" (hard hat detection alarm); the maximum size is 128 bytes*/
  "eventState":"", 
/*required, string, event triggering status: "active"-triggered, "inactive"-not triggered (heartbeat data); the maximum size is 32 bytes*/
  "eventDescription":"", 
/*required, string, event description*/
  "channelName":"", 
/*required, string, channel name (camera name)*/
  "deviceID":"", 
/*optional, device ID which is also the PUID. This field must be returned when passing through ISAPI event information by ISUP*/
  "Target":[{
/*array, target, multiple targets can be output after being recognized once*/
    "recognitionType":"", 
/*required, string, recognition type, here it should be set to "safetyHelmet" (hard hat detection)*/
    "TargetInfo":{
/*target information*/
      "recognition":"", 
/*required, string, recognition type, here it should be set to "safetyHelmet" (hard hat detection)*/
      "dataSource":""
/*required, detection data source: "timing"-scheduled, "trigger" (when exceeding the configured level limit)*/
    }, 
    "rect":[{
/*optional, rectangle frame of hard hat*/
      "height":, 
/*optional, float, height*/
      "width":, 
/*optional, float, width*/
      "x":, 
/*optional, float, X-coordinate*/
      "y":
/*optional, float, Y-coordinate*/
    }], 
    "contentID":"", 
/*optional, string, picture content ID, the maximum size is 256 bytes*/
    "pId":""
/*string, thumbnail ID of no hard hat detection alarm, the maximum length is 64 characters*/
    "faceContrastResult":"",   
/*optional, string, face picture comparison result, this node is returned only when the hard hat detection is linked to face picture comparison*/
    "Face":{
/*optional, face information, this node is returned when faceContrastResult is "success"*/
      "FDID": "",
/*required, string, face picture library ID, the maximum size is 63 bytes*/
      "FPID": "",
/*optional, string, face record ID, if it is inputted, it should be unique ID consisting of letters and digits, and the maximum size is 63 bytes*/
      "contentID":""
/*optional, string, picture content ID, the maximum size is 256 bytes*/
      "pId": "",
/*optional, string, ID of the matched picture in the library, the maximum size is 64 bytes*/
    }
  }], 
  "contentID":"", 
  "pId":""
/*string, background picture ID, the maximum length is 64 characters*/
}
--MIME_boundary
Content-Disposition: form-data; name="F4F665D6A18E41308CE9934DCDDD1111"; filename=" background_image.jpg";
Content-Type: image/jpeg
Content-Length: 516876
Content-ID: background_image

fefefwageegfqaeg...//picture data (the background picture is prior to the thumbnail of no hard hat detection alarm when both of them need to be uploaded)
--MIME_boundary
Content-Disposition: form-data; name="F4F665D6A18E41308CE9934DCDDD2222"; filename="safetyHelmet1_image.jpg";
Content-Type: image/jpeg
Content-Length: 516876
Content-ID: safetyHelmet1_image

fefefwageegfqaeg...//picture data
--MIME_boundary--

Hard Hat Detection Alarm with Picture URL

Content-Type: multipart/form-data; boundary=MIME_boundary
--MIME_boundary
Content-Type: application/json
Content-Length: 480

{
  "ipAddress":, 
/*required, string, IPv4 address of alarm device, the maximum size is 32 bytes*/
  "ipv6Address":"", 
/*optional, string, IPv6 address of alarm device, the maximum size is 128 bytes*/
  "portNo":, 
/*optional, integer32, port No. of alarm device*/
  "protocolType":"", 
/*optional, string, protocol type: "HTTP", "HTTPS", the maximum size is 32 bytes*/
  "macAddress":"", 
/*optional, string, MAC address, the maximum size is 32 bytes*/
  "channelID":, 
/*optional, integer32, device channel No. triggering alarm*/
  "dateTime":"", 
/*required, string, alarm triggered time (ISO 8601 time format), the maximum size is 32 bytes*/
  "activePostCount":, 
/*required, integer32, uploaded times of one alarm*/
  "eventType":"", 
/*required, string, triggered event type, here it should be set to "safetyHelmetDetection" (hard hat detection alarm); the maximum size is 128 bytes*/
  "eventState":"", 
/*required, string, event triggering status: "active"-triggered, "inactive"-not triggered (heartbeat data); the maximum size is 32 bytes*/
  "eventDescription":"", 
/*required, event description*/
  "channelName":"", 
/*required, channel name (camera name)*/
  "deviceID":"", 
/*optional, device ID which is also the PUID. This field must be returned when passing through ISAPI event information by ISUP*/
  "Target":[{
/*array, target, multiple targets can be output after being recognized once*/
    "recognitionType":"", 
/*required, string, recognition type, here it should be set to "safetyHelmet" (hard hat detection)*/
    "TargetInfo":{
/*target information*/
      "recognition":"", 
/*required, string, recognition type, here it should be set to "safetyHelmet" (hard hat detection)*/
      "dataSource":""
/*required, detection data source: "timing"-scheduled, "trigger" (when exceeding the configured level limit)*/
    }, 
    "rect":[{
/*optional, rectangle frame of hard hat*/
      "height":, 
/*optional, float, height*/
      "width":, 
/*optional, float, width*/
      "x":, 
/*optional, float, X-coordinate*/
      "y":
/*optional, float, Y-coordinate*/
    }], 
    "safetyHelmetURL":""
/*string, thumbnail URL of no hard hat detection alarm*/
    "faceContrastResult":"",
/*optional, string, face picture comparison result, "success,failed"*/
    "Face":{
/*optional, face picture information, this node is returned when faceContrastResult is "success"*/
      "FDID": "",
/*required, string, face picture library ID, the maximum size is 63 bytes*/
      "FPID": "",
/*optional, string, face picture record ID, if it is inputted, it should be the unique ID consisting of letters and digits, and the maximum length is 63 bytes*/
      "libFacePicURL":"",
/*optional, string, URL of the matched picture in the library, the maximum size is 256 bytes*/
    }
  }], 
  "imageURL":"", 
/*optional, string, background picture URL, the maximum size is 256 bytes*/
  "URLCertificationType":""
/*optional, string, picture URL authentication mode: "no"-no authentication, "digest"-digest authentication (it is used for devices (such as DVR, NVR, etc.) to store returned URLs locally); the maximum size is 32 bytes*/
}
--MIME_boundary--