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changes.mady.by.user Alena Kniazeva

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  1. It is recommended to use the resolution of no more than 800x600, because using a resolution of more than 800x600 does not lead to the recognition quality improvement.
  2. High resolution black and white cameras are recommended because they provide better quality of image at low light conditions.
  3. Recommended The frame rate is 25 FPS.The carriage speed must meet the camera operation speed. For a better recognition, it is necessary, and it is enough to have 1-2 frames of a carriage numberfrom the video camera (FPS) is selected individually and depends on the carriage speed: the faster the carriage goes, the higher the FPS should be, and vice versa. However, the higher the FPS, the greater the CPU load.
  4. It should be possible to set a fixed exposure value (shutter) on a video camera of 1/2000 s or less.
  5. The video cameras should have high sensitivity (0.01 lx or more).

Licensing requirements based on CPU processing power:

CPU1-core license (FPS)2-core license (FPS)4-core license (FPS)
Intel Core i31-21-41-8
Intel Core i51-21-52-10
Intel Core i71-32-72-14

Requirements for video camera position:

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  1. The minimum character height in the frame should be 16 20 pixels, 20–50 40–80 pixels are recommended. The width of the character line should be at least 2-3 pixels.
  2. The geometric distortion by optics ("barrels" and "pincushions") should be reduced.
  3. The image of the carriage plate numbers should be clear, contrast and readable.

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