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Configuring The configuration of the Detection of moving against crowd flow module includes setting up specifying the detection area, the configuration parameters, and the detector's characteristics.

1. Go to the settings panel of the Detection of moving against crowd flow object
settings panel
2. that is created on the basis of
the
3. the Camera object on the Hardware tab of the System Settings window.
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4. Click the Settings button. The Detection settings window
will open
5. opens.
6. Specify the
area of interest on the video
7. detector's surveillance area:
   1. On the Select area tab, click the Stop video button to pause
the
8. 1. a video.
   2. Click the Area of interest button.
      
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9. 1. Image Added
   2. On the captured video image,
specify
10. 1. set the detection area using the mouse. To do that,
set
11. 1. specify the
nodal points
12. 1. nodes of the
area of interest using the left mouse button. Area
13. 1. polygon that restricts it. The area is considered to be specified when the last nodal point is
consisted
14. 1. consistent with the first one.
It is possible to
15. 1. You can add only one area. When
attempting
16. 1. you try to add the second area, the first one
will be
17. 1. is deleted. After you add an area
specifying
18. 1. , the remaining part of the video image
will be
19. 1. is darkened.

       Info
       title Note
       To remove the area, click the

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20. 1. Image Added button to the right of the Area of interest button.

    2. Click the Size of person button. Set the required person size using the mouse. To do this,

left-

21. 1. click

on

22. 1. the captured

video image

23. 1. frame and extend

a rectangular area

24. 1. the rectangle to the required size.

       Info
       title Note
       To remove the

area

25. 1. specified person size, click the

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26. 1. Image Added button to the right of the Size of person button.

Set up
27. Specify the parameters of detection of moving against crowd flow:
    1. Go to the Parameters tab.
       
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28. 1. Image Added
    2. In the
Detector
29. 1. Detection sensitivity [0.0, 1.0]
field
30. 1.  field,
 specify
31. 1. specify the detector's sensitivity to detecting moving objects in the detection area
of interest
32. 1. .
Optimal
33. 1. The optimal value of the parameter is selected experimentally by testing the
detection
34. 1. detector for
triggers
35. 1. event generation in the required conditions. The range of values is from 0 to 1. The higher the
detection
36. 1. sensitivity, the greater the probability of false
alarms
37. 1. event generation. The less the
detection
38. 1. sensitivity, the greater the probability of missing an event
missing
39. 1. .
    2. In the Number of people in crowd field, specify the minimum number of people moving in the direction of a crowd in which the
detection should trigger
40. 1. detector must generate an event. The default value
is
41. 1. is 4.
    2. Set the Against crowd direction switch to the position
,
42. 1. corresponding to the
objects
43. 1. object movement against a crowd on the video image: Up or Down.
    2. In theFrames processed per second [0.016, 100] field, set the number of frames per second that
will be processed by the detection tool. The range of values is from 0,016 to 100.
44. 1. the detector processes in the range 0.016–100. The higher the value, the more
accurate
45. 1. accurately the
detection tool
46. 1. detector works, but the higher the load on the CPU
load
47. 1. .
48. Click the OKbutton.

Configuring the Detection detection of moving against crowd flow module is complete.