1. An image correction apparatus for eliminating a lighting component, comprising: a representative value calculator for dividing an original image into a plurality of block units and calculating a representative brightness value of each of the plurality of block units; a background image generator for generating a background image including a plurality of pixels, each of the plurality of pixels having the representative brightness value as a brightness value; and a lighting component corrector for extracting a lighting component from the background image and eliminating a lighting component included in the original image using the extracted lighting component from the background image.