1. An image interpolation method, comprising: acquiring a first image and a second image; computing a matching between the first image and the second image and detecting a point on the second image which corresponds to a point on the first image; and interpolating the point on the first image and the point on the second image, wherein, in said interpolating, a coordinate of the point on the first image and that of the point on the second image are effected in an interpolation computation and an original color of only one of the points is used in an interpolation result such that interpolation computation as to color is skipped.