[PDF][PDF] Correcting chromatic aberrations using image warping.

TE Boult, G Wolberg - CVPR, 1992 - researchgate.net
CVPR, 1992researchgate.net
The problem of chromatic aberration arises because each wavelength of light is refracted di
erently by the elements of a lens. Unfortunately, this means that is image will be blurred and
distorted. In color imaging these distortions cause measurable di erences 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) …
Abstract
The problem of chromatic aberration arises because each wavelength of light is refracted di erently by the elements of a lens. Unfortunately, this means that is image will be blurred and distorted. In color imaging these distortions cause measurable di erences 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 brie y discuss the image restoration/reconstruction techniques used, since they are non-standard. This is followed by a discussion of the techniques used to de ne the chromatic aberration correcting warp. The technique is demonstrated and analyzed on two test cases and is directly compared to the active optics approach.
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