An apparatus for providing an around view image for a vehicle, the apparatus comprising: a memory; a camera unit that is configured to obtain an outside image of the vehicle; and a processor that is configured to: determine a connection state between a trailer and the vehicle, receive the outside image of the vehicle from the camera unit, based on the outside image of the vehicle, determine an attitude of the trailer, and based on the attitude of the trailer, generate a control signal to control travel of the vehicle the processor is further configured to: obtain a plurality of images from the camera unit; based on (i) a vehicle image of the vehicle and (ii) the plurality of images, generate a first around view image; and provide the first around view image to a display, characterized in that the memory is configured to store a plurality of Look Up Tables, LUTs, each LUT of the plurality of LUTs corresponding to a respective attitude of the trailer, based on a current attitude of the trailer, the processor is configured to: receive a first LUT from the plurality of LUTs, the first LUT corresponding to the current attitude of the trailer; determine a fourth around view image that corresponds to the first LUT, and provide the fourth around view image to the display, wherein the memory that is configured to: store markers representing a preset attitude of the trailer, wherein the processor is configured to: obtain a rear view image of the vehicle from the camera unit, detect the trailer from the rear view image, receive the markers from the memory, match each of the markers with at least one portion of the trailer in the rear view image, determine an angle between the at least one portion of the trailer and each of the markers, and based on the angle, determine the attitude of the trailer. a memory; a camera unit that is configured to obtain an outside image of the vehicle; and a processor that is configured to: determine a connection state between a trailer and the vehicle, receive the outside image of the vehicle from the camera unit, based on the outside image of the vehicle, determine an attitude of the trailer, and based on the attitude of the trailer, generate a control signal to control travel of the vehicle determine a connection state between a trailer and the vehicle, receive the outside image of the vehicle from the camera unit, based on the outside image of the vehicle, determine an attitude of the trailer, and based on the attitude of the trailer, generate a control signal to control travel of the vehicle the processor is further configured to: obtain a plurality of images from the camera unit; based on (i) a vehicle image of the vehicle and (ii) the plurality of images, generate a first around view image; and provide the first around view image to a display, obtain a plurality of images from the camera unit; based on (i) a vehicle image of the vehicle and (ii) the plurality of images, generate a first around view image; and provide the first around view image to a display, characterized in that the memory is configured to store a plurality of Look Up Tables, LUTs, each LUT of the plurality of LUTs corresponding to a respective attitude of the trailer, based on a current attitude of the trailer, the processor is configured to: receive a first LUT from the plurality of LUTs, the first LUT corresponding to the current attitude of the trailer; determine a fourth around view image that corresponds to the first LUT, and provide the fourth around view image to the display, receive a first LUT from the plurality of LUTs, the first LUT corresponding to the current attitude of the trailer; determine a fourth around view image that corresponds to the first LUT, and provide the fourth around view image to the display, wherein the memory that is configured to: store markers representing a preset attitude of the trailer, wherein the processor is configured to: obtain a rear view image of the vehicle from the camera unit, detect the trailer from the rear view image, receive the markers from the memory, match each of the markers with at least one portion of the trailer in the rear view image, determine an angle between the at least one portion of the trailer and each of the markers, and based on the angle, determine the attitude of the trailer. obtain a rear view image of the vehicle from the camera unit, detect the trailer from the rear view image, receive the markers from the memory, match each of the markers with at least one portion of the trailer in the rear view image, determine an angle between the at least one portion of the trailer and each of the markers, and based on the angle, determine the attitude of the trailer.