1. An image correction apparatus for eliminating a lighting component, comprising: a processor configured to execute functions comprising: a representative value calculator configured to: divide an original image into a plurality of block units, and calculate a representative brightness value of each of the plurality of block units; a background image generator configured to: generate 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 configured to: extract a lighting component from the background image, and eliminate a lighting component included in the original image using the extracted lighting component from the background image, wherein the lighting component corrector eliminates the lighting component by applying an amount of correction changed according to a weight value defined by a maximum brightness of the background image and a standard deviation of the background image.