Removing chromatic aberration by digital image processing

Soon-Wook Chung; Byoung-Kwang Kim; Woo-Jin Song

doi:10.1117/1.3455506

1 June 2010 Removing chromatic aberration by digital image processing

Soon-Wook Chung, Byoung-Kwang Kim, Woo-Jin Song

Author Affiliations +

Optical Engineering, Vol. 49, Issue 6, 067002 (June 2010). https://doi.org/10.1117/1.3455506

Abstract

Chromatic aberration is a form of aberration in color optical devices that produces undesirable color fringes along borders within images. It is becoming a more critical problem these days as digital cameras are getting smaller, while the number of picture elements is increasing. We propose a novel method for detecting and eliminating chromatic aberration using image processing. We first analyze the color behavior on edges that do not show chromatic aberration and propose a range limitation for color difference signals. When pixels violate the preceding condition, they can be considered as color fringes caused by chromatic aberration. Corrected pixel values are generated to eliminate the chromatic aberrations. The proposed algorithm corrects both lateral and longitudinal aberration in an image, and experimental results are provided to demonstrate its efficacy.

©(2010) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Soon-Wook Chung, Byoung-Kwang Kim, and Woo-Jin Song "Removing chromatic aberration by digital image processing," Optical Engineering 49(6), 067002 (1 June 2010). https://doi.org/10.1117/1.3455506

Published: 1 June 2010

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