Discussed is an image display device which detects image characteristic information from an image of a screen provided by a mobile terminal, extracts a characteristic area based on the image characteristic information, and automatically magnifies or reduces the extracted characteristic area and display the same, to thereby allow a user to conveniently and effectively view the image provided from the mobile terminal in a vehicle. The image display device includes: a communication unit configured to receive an image from a mobile terminal; a controller configured to detect image characteristic information of the received image, extract a first area on the basis of the detected image characteristic information, determine an image processing scheme with respect to the extracted first area, and process an image corresponding to the extracted first area according to the determined image processing scheme; and a display unit configured to display the processed image.