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1. Go to the Traffic lights detection object settings panel, which is created on the basis of the Camera object.
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2. Click Settings (1). The Detection settings window will open. 
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3. to the Select area tab (1) specify Specify the area of traffic light signals:

   1. Click Stop video to capture the video frame (12).

   2. Do the following actions for each traffic light signal:

      • click the button with this signal (23);

      • specify the area of this signal on the captured video frame (4). Click the left mouse button on the video frame and move the cursor holding it.

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        Info
        title Note.
        To remove the area click Image Removed opposite click Image Added opposite the corresponding button.

        
        

4. Specify the software module parameters:
   
   1. Go to the Parameters Parameters (1) tab.
   2. Specify In the Detection sensitivity [0, 255] field (2) specify the detection sensitivity in conventional units in a range from 0 to 255 in the corresponding field (1).
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   3. In the Periodicity of events occurrence, s field (23), enter the time period (in seconds) between creating messages about the states of traffic light signal.
   4. In the Event type drop-down list (4), select the type of event to be detected: By state change, By period, By period and ctate change.
   5. Set the Reduce large resolution checkbox if the state of traffic light signal is to be recognized on the frame (35).

5. Click OK to save changes and to return to the settings panel of the Traffic light detection object (46).

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   title Note.
   Click Cancel to return to the settings panel of Traffic light detection object without saving changes (5).

   
   

6. Click Apply (2).

Setting up the Traffic light detection software module is completed.