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Calibration and removal of lateral chromatic aberration in images

Mallon, John and Whelan, Paul F. orcid logoORCID: 0000-0001-9230-7656 (2007) Calibration and removal of lateral chromatic aberration in images. Pattern Recognition Letters, 28 (1). pp. 125-135. ISSN 0167-8655

This paper addresses the problem of compensating for lateral chromatic aberration in digital images through colour plane realignment. Two main contributions are made: the derivation of a model for lateral chromatic aberration in images, and the subsequent calibration of this model from a single view of a chess pattern. These advances lead to a practical and accurate alternative for the compensation of lateral chromatic aberrations. Experimental results validate the proposed models and calibration algorithm. The effects of colour channel correlations resulting from the camera colour filter array interpolation is examined and found to have a negligible magnitude relative to the chromatic aberration. Results with real data show how the removal of lateral chromatic aberration significantly improves the colour quality of the image.
Item Type:Article (Published)
Uncontrolled Keywords:image analysis; lateral chromatic aberration; image warping; camera calibration;
DCU Faculties and Centres:Research Institutes and Centres > Research Institute for Networks and Communications Engineering (RINCE)
Official URL:http://dx.doi.org/10.1016/j.patrec.2006.06.013
Copyright Information:Copyright © 2006 Elsevier B.V.
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:4661
Deposited On:03 Jul 2009 08:35 by DORAS Administrator . Last Modified 17 Jan 2019 12:57

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