1. An image correction method comprising: obtaining information regarding at least one of brightness and colors of pixels constituting an input image, the input image comprising a plurality of regions classified according to whether the at least one of the brightness and the colors of the pixels are substantially uniformly distributed in a corresponding region; determining a weight with respect to at least one pixel of the input image based on the obtained information; and correcting the input image with respect to the at least one pixel based on the determined weight.