Documentation for Auto PSIM 1.0.1.

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Attention!

To ensure the correct ARH-Railway module operation, do the following:

  1. Make sure that "KB3033929" security update and Hotfix are installed.
  2. If Carmen GX drivers are installed, then they should be uninstalled from Windows. 
  3. Make sure that there is not a single folder with any drivers left at C:\Windows\System32\DRVSTORE\ (if there are folders, they should be removed).
  4. Restart the computer.
  5. Download the Carmen Freeflow distribution kit from the AxxonSoft website and install it. If an older version was installed earlier, then it should be uninstalled before installing a newer version.
  6. Download the ARH Railroad Wagon Code Recognition Engine distribution kit from the AxxonSoft website and install it via the Engine Manager utility. The procedure for installing the recognizer using the Engine Manager utility is described in the engine_install_windows.txt file located in the folder with the corresponding recognizer.
  7. Install the software from the manufacturer's website.

The ARH-Railway software module can be configured on the settings panel of the ARH-Railway module object created on the basis of the LPR channel object.

Configure the ARH-Railway module as follows: 

  1. Go to the Main settings tab (1) of the ARH-Railway module object settings panel.
  2. From the SDK work sequence drop-down list (2) select Sequentail or Parallel. 
  3. In the Quality field (3), enter the image quality of the carriage or container numbers, starting from which the numbers will be recognized. The value is determined experimentally.
  4. In the Recognition frame rate, fps field (4), enter the number of frames per second processed by the recognizer. If you enter 0 or leave the field empty, the recognizer will process the maximum possible number of frames.
  5. Go to the tab of SDK.

  6. In the Symbol height group, specify the height parameters for carriage or container license plate number symbols on the video image from the camera:
    1. In the Minimum field (2), enter the minimum height of the symbol in pixels.
    2. In the Average field (1), enter the average height of the symbol in pixels.
    3. In the Maximum field (3), enter the maximum height of the symbol in pixels.
  7. In the Symbol inclination group, specify the slope parameters of the carriage number symbols on the video image from the camera:
    1. In the Average (%) field (4), enter the average slope of the symbol in percent. The value is positive if the horizontal axis of the LP symbols is tilted down when viewed from left to right, and negative if this axis is tilted up.
    2. In the Minimum (%) field (5), enter the minimum slope of the symbol in percent. The value is positive if the horizontal axis of the LP symbols is tilted down when viewed from left to right, and negative if this axis is tilted up.
    3. In the Maximum (%) field (6), enter the maximum slope of the symbol in percent. The value is positive if the horizontal axis of the LP symbols is tilted down when viewed from left to right, and negative if this axis is tilted up.
  8. In the Advanced settings group, specify:
    1. In the Slope (%) field (7), enter the slope of the carriage LP number in relation to the video image received from the camera in percent. The value is positive if the horizontal axis of the LP symbols is tilted down when viewed from left to right, and negative if this axis is tilted up.
    2. In the Min. contrast field (8) enter the estimated difference between the shades of gray of the LP symbols and the background.
    3. In the X in Y (%) field (9), enter the rate of the horizontal symbol resolution to the vertical one in percent. The horizontal resolution is the ratio of the symbol width on the video image to its actual width, and the vertical resolution is the ratio of the symbol height on the video image to its real height. If you put Zero or negative value, then the value will automatically changed to 100.

    4. In the Delay field (10), enter the time interval in milliseconds that should expire in order for the recognition module to display the next number recognition result. A value of zero means no delay.

      Note

  9. In the Filters group, specify:
    1. Select the ISO filter checkbox (11) if it is necessary to enable the ISO carriage numbers filtering. When reading a number that consists of 11 symbols, the recognition module will attempt to read the ISO code (examples of ISO codes: GB4310, 22G1).
    2. Select the Long code filter checkbox (12) if it is necessary to enable the long numbers filtering. If the video image does not contain the carriage number, but contains some other text, the recognition module can display a false carriage number. The long numbers filtering reduces the likelihood of the false numbers appearing, increases the runtime (by about 5%), and degrades the recognition of the carriage codes on the images with a carriage code (by about 0.5%).
    3. Select the Checksum test checkbox (13) if it is necessary to check the checksum.
    1. e of the symbol in percent. The value is positive if the horizontal axis of the LP symbols is tilted down when viewed from left to right, and negative if this axis is tilted up.
    2. In the Maximum (%) field (12), enter the maximum slope of the symbol in percent. The value is positive if the horizontal axis of the LP symbols is tilted down when viewed from left to right, and negative if this axis is tilted up.
  10. Click the Apply button to apply the settings.

Configuring the ARH-Railway software module is complete.

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