1. An image processing method comprising: obtaining, by an image processing apparatus, points on left-eye and right-eye images to be generated from a two-dimensional (2D) image, to which a predetermined pixel of the 2D image is to be mapped, using sizes of holes to be generated in the left-eye and right-eye images; and generating, by the image processing apparatus, the left-eye and right-eye images respectively having the obtained points to which the predetermined pixel of the 2D image is mapped.