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By default, the LPR channel scans the whole video image received from the camera for the LP number. To decrease the CPU load, a smaller area where the LP should be searched for, can be specified.

Info
titleNote.

This setting is given can be configured only when Auto-Uragan, CARMEN-Parking, CARMEN-Auto, ARH-Containers, VIT,IntLab-Carriages, IntelliVIsion program module is used, orIntelliVIsion LPR program modules are used (see Activating the program module, used for identifying the plates).


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titleNote.

If the LP search area boarder border is specified, only the license plates LPs that completely fit into the area will be recognized.


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titleNote

To ensure the correct LP recognition, camera captions should not overlap the LP search area.

The search area borders can be specified using one of two methods:

...

To manually enter the exact coordinates values of the search area boardersborders, do the following:

  1. Go to the LPR channel object settings panel, corresponding to the activated module (see Activating the program module, used for identifying the plates section).
  2. In the System Settings dialog window, open the Hardware tab (1).
  3. In the object tree of the Hardware tab, select the LPR channel (2).The settings panel of the selected object will open on the right side of the window.
    Image Modified
  4. Check the Search area checkbox (3)1) to enable specifying the search area borders.
  5. In the Left, Top, Right, and Bottom fields (2), enter the coordinates of the corresponding search area boundaries, as a specify the required values. These values correspond to the search area borders percentage of the full frame size (4).Click Apply (5).
    To specify the search area borders using the mouse, do the following:Click the Image Removed button to open the Search area borders window. The window Search area borders displays the video image from the camera set in the LPR channel settings.
    To define the search area
    1. In the System Settings dialog window, open the Hardware tab (1).
    2. In the object tree of the Hardware tab, select the LPR channel, corresponding to the activated Auto-Uragan, CARMEN-Parking, CARMEN-Auto, ARH-Containers, VIT or IntLab-Carriages program module (see Activating the program module, used for identifying the plates section, 2).The settings panel of the selected object will open on the right side of the window.
      Image Removed
    3. Check the Search area checkbox (3).
      1. Click the Image Added (2) button. The Search area border, % window will appear. In this window, do the following:
        Image Modified
      4.1 Click
      1. left-click and hold the mouse button
      in
      1. on the video image at one of the corners of the supposed search area;
      4.2 Keep
      1. keep the mouse button pressed and drag the
      mouse
      1. pointer across the supposed search area to the opposite corner;
      4.3 Release
      1. release the mouse button
      .
      4.4 Click the OK button to
      1. ;
      2. click the OK to save the selected

      area, or the Cancel button to clear the selection. The Search
      1. area

      border window will be closed.Click Apply (5)
      1. .

        Info
        titleNote

        With the use of VIT software module, you can specify search area borders of any shape.

    ...

    The search area should not contain the titles in the image for correct recognition of the LP numbers.

      1. Image Added

        To specify non-rectangular search area borders, set the anchor points of the required shape with the left mouse button. After you set the last anchor point, click the right mouse button, and the shape will automatically close.

    1. Click Apply (3).

    ...

    The LP search area

    ...

    border is now set up.