the step of determining whether the vehicle information contained in the vehicle image is consistent with the standard vehicle information in the vehicle information base includes matching the vehicle information in the form of text contained in the vehicle image within the vehicle information base.

The method may further comprise:

sharpening the vehicle image when vehicle information is unable to be extracted from the vehicle image, and extracting vehicle information from the sharpened vehicle image.

After the step of obtaining the license plate number image from the vehicle image and before the step of determining whether the vehicle information contained in the vehicle image is consistent with the standard vehicle information in the vehicle information base, the method may further include the step of:

determining whether the license plate is blocked according to the license plate number image, and determining whether the vehicle information contained in the vehicle image is consistent with the standard vehicle information in the vehicle information base when the license plate of the vehicle is determined to be not blocked.

The method may further comprise:

alarming a worker around the vehicle when the license plate of the vehicle is determined to be tampered.