Standard Topics

To read about the topic and source see Terminology

The currently available default topics are:

com.axis.analytics_scene_description.v0.beta:

A frame-based description of what the camera sees.
Multichannel cameras with support for analytics will have multiple sources. Separate subscriptions with the video_channel_number as source can then be used.
The Best Snapshot feature is enabled by sending the following command to the camera:

curl --noproxy '*' --digest --user <user>:<password> "http://<camera-ip>/config/rest/best-snapshot/v1/enabled" -H "Content-Type: application/json" -X PUT --data "{\"data\":true}"

Example data:

Note: This is a beta format and will change in the coming releases.

{
  "data": {
    "frame": {
      "timestamp": "2023-03-08T09:00:19.320111Z",
      "observations": [
        {
          "track_id": "1",
          "bounding_box": {
            "bottom": 0.89332,
            "left": 0.13332,
            "right": 0.80004,
            "top": 0.59942
          },
          "class": {
            "type": "Human",
            "score": 0.6,
            "upper_clothing_colors": [
              {
                "name": "White",
                "score": 0.78
              }
            ],
            "lower_clothing_colors": [
              {
                "name": "Blue",
                "score": 0.59
              }
            ]
          },
          "image": {
            "data": "/9j/4AAQSkZJRgABAQAAAQABAAD/2wBD",
            "bounding_box": {
              "bottom": 0.937405,
              "left": 0.033312,
              "right": 0.900048,
              "top": 0.555335
            },
          }
        },
        {
          "track_id": "2",
          "bounding_box": {
            "bottom": 0.49932,
            "left": 0.23135,
            "right": 0.55192,
            "top": 0.19399
          },
          "class": {
            "type": "Bus",
            "score": 0.7,
            "colors": [
              {
                "name": "Yellow",
                "score": 0.78
              }
            ]
          },
          "image": {
            "data": "/9j/4AAQSkZJRgABAQAAAQABAAD/2wBD",
            "bounding_box": {
              "bottom": 0.5451195,
              "left": 0.1832645,
              "right": 0.6000055,
              "top": 0.1481905
            }
          }
        }
      ],
      "operations": [
        {
          "type": "DeleteOperation",
          "id": "3"
        }
      ]
    }
  }
}