Correcting chromatic aberrations using image warping

The problem of chromatic aberration arises because each wavelength of light is refracted diierently by the elements of a lens. Unfortunately , this means that is image will be blurred and distorted. In color imaging these distortions cause measurable diierences between the images. Recent research has proposed an approach for dealing with this aberrations by actively controlling the optics of the imaging system. This paper addresses the same problem, but instead of adapting the optics, we adapt the geometry of the (already obtained) images; we do chromatic aberration correction by image warping. We brieey discuss the image restora-tion/reconstruction techniques used, since they are non-standard. This is followed by a discussion of the techniques used to deene the chromatic aberration correcting warp. The technique is demonstrated and analyzed on two test cases and is directly compared to the active optics approach.