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

The vehicle information and the standard vehicle information may include a license plate number, a color and a vehicle type; and

the vehicle information contained in the vehicle image being not consistent with the standard vehicle information in the vehicle information base includes a case where at least one of the color and the vehicle type of the vehicle information contained in the vehicle image is not consistent with the corresponding at least one of the color and the vehicle type in the standard vehicle information of the same license plate number in the vehicle information base.

The vehicle information base may store a standard vehicle image therein, and

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 image to the standard vehicle image in the vehicle information base.

The standard vehicle information in the vehicle information base may be text information;

after the step of obtaining the license plate number image in the vehicle image, the method further includes extracting vehicle information in the form of text contained in the vehicle image according to the vehicle image, and