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To set up configure the detection of the LPR channel detector, do the following:

1. Go to the settings panel of the LPR channel object corresponding to the activated software module (see Activating the software module used for identifying the plates).
   Image Modified

   Info
   title Note
   The availability of the parameters depends on the activated software modules (for details, see The settings panel of the LPR channel object).

Enter
2. Set the
value in the
3. Area search threshold
field
4. parameter (1).

5. Set the Max. width and Max. height parameters:

   1. Click

the Image Removed

6. 1. the Image Added (2) button next to the parameters. Interactive interface

of

7. 1. for setting up

the

8. 1. zone parameters

showing the

9. 1. , representing an image from the corresponding camera

will be

10. 1. , is displayed.
       

Image Removed

11. 1. Image Added

    2. At the appropriate moment, click the Stop video button

and then hold the mouse while dragging it across

12. 1. , then select the required zone area using the left mouse button and click the OK button.

Image Removed

13. 1. Image Added

       Info
       title Note
       You can select the required zone area in the same way in the Real Time Video mode

as well

14. 1. .

       Results of setting

the

15. 1. zone parameters

will be

16. 1. are automatically entered in

the

17. 1. the Max. width and Max. height fields.

       Info
       title Note

It is not recommended to set

18. 1. We don't recommend setting maximum sizes greater than required, as this slows down the processing

,

19. 1. but

does not

20. 1. doesn't improve the recognition quality

of recognition

21. 1. .

22. Set the Min. width and Min. height parameters similarly to the Max. width and Max. height parameters using
the Image Removed
23. the Image Added button (3).

24. If necessary, set the Cut image with vehicle checkbox (4).

    Info
    title Note
    The

Cut

25. cut image with vehicle

 option

26. option is used only when

working

27. you work with megapixel video surveillance cameras.

28. If necessary, set the Allow recognition by request checkbox (5).
    

    Info
    title Note
    Image recognition by request works only for the RR (seeSearching for a license plate by image)and VT (see Search for a license plate by image for the VT recognition module) modules. For this, use the POST http://IP address:port/lprserver/FindNumbersByImage query. The response can contain the following mistakes Image Added In this case, the Allow recognition by request checkbox isn't set. Image Added In this case, an image of the incorrect base64 format is used: you must convert the video frame to the JPEG format but not save it in the JPG format. Image Added

Click the

29. In this case, you used the Uragan module during the operation; image recognition by request isn't supported.

30. Click the Apply button (6).

Configuring the LPR channel detector is complete.