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To configure create the Multiple Objects objects detector, do the following:

  1. Create the required
    2. detection tool
  2. detector and specify its parameters (see Configuring detectors and their sub-detectors).
  3. Below the created
    4. detection tool
  4. detector,
    5. click 
  5. click Create… → Multiple
    6. Objects
  6. objects.

By default, the detection tool detector is enabled and set to generate events when the number of objects in the detection area exceeds the value specified in the detection tool detector settings.

If necessary, you can change the detection tool detector parameters. The list of parameters is given in the table:

ParameterValueDescription
Other
EnableYesThe detection tool detector is enabled by default. To disable the detection tooldetector, select the the No value value
No
NameMultiple Objects objectsEnter the detection tool detector name or leave the default name
TypeMultiple Objects objectsName of the detection tool detector type (non-editable field)
Basic settings
Maximum object height100

Specify the maximum object height as a percentage of the frame size for the detection tool detector to generate an event. The value must be in the range [0.05, 100]

Note
titleAttention!

The values of the maximum object height must be equal in the settings of the Object Tracker and Multiple Objectsthe Object tracker and Multiple objects.

Maximum object speed500

Specify the maximum object speed per second for the detection tool detector to generate an event. The value must be in the range [0, 500]

Info
titleNote
    In 
  • In Axxon One, speed is a conditional value that is calculated using values of different dimensions. The speed calculation algorithm takes into account both the frame width and its height.
  • For a visual understanding of the speed values, we recommend specifying the speed when searching the archive (see Configuring minimum and maximum object speed).
Maximum object width100

Specify the maximum object width as a percentage of the frame size for the detection tool detector to generate an event. The value must be in the range [0.05, 100]

Note
titleAttention!

The values of the maximum object width must be equal in the settings of the Object Tracker and Multiple Objectsthe Object tracker and Multiple objects.

Minimum object height0.1

Specify the minimum object height as a percentage of the frame size for the detection tool detector to generate an event. The value must be in the range [0.05, 100]

Note
titleAttention!

The values of the minimum object height must be equal in the settings of the Object Tracker and Multiple Objectsthe Object tracker and Multiple objects.

Minimum object speed0

Specify the minimum object speed per second for the detection tool detector to generate an event. The value must be in the range [0, 500]

Info
titleNote
    In 
  • In Axxon One, speed is a conditional value that is calculated using values of different dimensions. The speed calculation algorithm takes into account both the frame width and its height.
  • For a visual understanding of the speed values, we recommend specifying the speed when searching the archive (see Configuring minimum and maximum object speed).
Minimum object width0.1

Specify the minimum object width as a percentage of the frame size for the detection tool detector to generate an event. The value must be in the range [0.05, 100]

Note
titleAttention!

The values of the minimum object width must be equal in the settings of the Object Tracker and Multiple Objectsthe Object tracker and Multiple objects.

Number of alarm objects10

Specify the number of objects for the detection tool detector to generate an event. The value must be in the range [1, 100].
When the specified number of objects is exceeded, the detection tool detector generates the Triggering start event event. When the number of objects becomes less than the specified value, the Triggering end event  event is generated

Object classAll classes

Select the object class that must generate an event. The default value is is All classes

Info
titleNote
     detection tool below the Object Tracker
  • When you create the Multiple
    • Objects
  • objects detector as a child object of the Object tracker and select
    • the 
  • the Person
    •  value
  •  value, there won't be any events if the tracker detects the movement of several people nearby.
  • When you create the Multiple
    • Objects detection tool below the
  • objects detector as a child object of the Category: Vehicle
    •  detection tools, the 
  •  detectors, the Object class
    •  parameter
  •  parameter must have
    • the 
  • the All classes
    •  value
  •  value.
Vehicle
Person

By default, the entire frame is the a detection area. In If necessary, in the preview window, you can specify the detection areas using the anchor points Image Removed can reduce the detection area (see Configuring a detection area) and/or set one or more skip areas (see Configuring a detection skip area).

Info
titleNote
  • For convenience of configuration, you can "freeze" the frame. Click the Image Modified button. To cancel the action, click this button again.
  • The detection area is displayed by default. To hide it, click the Image Modified button. To cancel the action, click this button again.

To save the parameters of the detection tooldetector, click the Apply Image Modified button button. To cancel the changes, click the Cancel Image Modified button button.

Configuration of the Multiple objects detector is complete.