Documentation for Axxon One 2.0. Documentation for other versions of Axxon One is available too.

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To create the Motion in area detector, do the following:

  1. Create the required detector and specify its parameters (see Configuring detectors and their sub-detectors).
  2. Below the created detector, click Create… → Motion in area.

By default, the detector is enabled and set to generate events when an object starts moving in the area.

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

ParameterValueDescription
Other
EnableYesThe detector is enabled by default. To disable the detector, select the No value
No
NameMotion in areaEnter the detector name or leave the default name
TypeMotion in areaName of the detector type (non-editable field)
Advanced settings
X-axis offset15Specify the X-axis and Y-axis offsets as a percentage of the track area to receive events from the specified area. The values must be in the range [1, 40]
Y-axis offset10
Basic settings
Maximum object height100

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

Attention!

The values of the maximum object height must be equal in the settings of the Object tracker and Motion in area.

Maximum object speed500

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

Note

  • 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 detector to generate an event. The value must be in the range [0.05, 100]

Attention!

The values of the maximum object width must be equal in the settings of the Object tracker and Motion in area.

Minimum object height0.1

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

Attention!

The values of the minimum object height must be equal in the settings of the Object tracker and Motion in area.

Minimum object speed0

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

Note

  • 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 detector to generate an event. The value must be in the range [0.05, 100]

Attention!

The values of the minimum object width must be equal in the settings of the Object tracker and Motion in area.

Number of alarm objects2

Note

The parameter is taken into account only if the Trigger on group of objects parameter is enabled.

This number determines the minimum number of objects that are considered a group and can generate an event. 
Specify the number of objects that can cause the detector to generate an event. The value must be in the range [1, 100]

Object classAll classes

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

Note

  • When you create the Motion in area detector as a child object of the Object tracker and select the Person value, there won't be any events if the tracker detects the movement of several people nearby.
  • When you create the Motion in area detector as a child object of the Category: Face and Category: Vehicle detectors, the Object class parameter must have the All classes value.
Vehicle
Person
Trigger on group of objectsYes

The parameter is disabled by default. If you want the detector to generate an event only for a group of objects, select the Yes value

Note

  • The group of objects that must cause the detector to generate an event is specified in the Object class parameter.
  • The number of objects that are considered a group is specified in the Number of alarm objects parameter.
No

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

Note

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

To save the parameters of the detector, click the Apply  button. To cancel the changes, click the Cancel  button.

Configuration of the Motion in area detector is complete.

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