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The following video camera requirements should be met in order to ensure the recognition of license plate numbers using the Auto - PSIM system.

• license plate number should be fully placed in the frame;
• symbols should be sharp, not smeared, undistorted, not overexposed, evenly lighted;
• symbols should be visually differentiated;
• technical requirements for the number plates should follow according government standards;
• without the effect of interlacing (on speed) for analog cameras.