<p>Disclosed are an image display device and a method thereof capable of detecting a distance between an obstacle included in a distorted image captured by a wide angle camera and a vehicle to thus prevent an occurrence of an accident in which the vehicle collides with the obstacle so as to damaged, in advance. The image display device includes: a storage unit configured to store obstacle characteristic images previously captured from multiple viewpoints; an image capture unit configured to capture images of a surrounding area of a vehicle; a controller configured to detect an obstacle from the captured images on the basis of the images captured by the image capture unit and the obstacle characteristic images, and generate warning information when a distance value between the vehicle and the obstacle is equal to or smaller than a first pre-set distance value; and a display unit configured to display the generated warning information.</p>
