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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. Recommended frame rate per second is 25;
3. High resolution black and white cameras are recommended because they provide better quality of image at low light conditions;
4. Recommended speed of receiving the frames from camera is at least 24 fps;
5. The carriage motion 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 number.
6. it should be possible to set a fixed exposure value (shutter) on video camera of 1/2000 s or less;
7. the video cameras should have high sensitivity (0,01 lx or more).

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