JEI Letters

Generalized color interpolation scheme based on intermediate quincuncial pattern

[+] Author Affiliations
Sang Wook Park, Moon Gi Kang

Yonsei University, The Institute of BioMed-IT, Energy-IT and Smart-IT Technology (BEST), 50 Yonsei-Ro, Seodaemun-Gu, Seoul, Republic of Korea

J. Electron. Imaging. 23(3), 030501 (May 19, 2014). doi:10.1117/1.JEI.23.3.030501
History: Received January 2, 2014; Revised March 27, 2014; Accepted April 25, 2014
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Abstract.  Recently, color filter array patterns based on optimal design by reducing interchannel aliasing have been developed. Although these optimally subsampled patterns produce less degradation of resolution for the images in daylight about 6500 K, aliasing and grid effect become more prominent under the different lighting conditions. Moreover, the color interpolation (CI) for Bayer pattern cannot be utilized for these patterns. Since it is impossible to change coated patterns according to various conditions, CI algorithms have to compensate for light variations. In this letter, a method for generating intermediate quincuncial pattern is proposed for two patterns. Also, edge adaptive interpolation for the quincuncial pattern is carried out. Experimental results show that the proposed method reduces aliasing and grid effect.

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Topics

Algorithms

Citation

Sang Wook Park and Moon Gi Kang
"Generalized color interpolation scheme based on intermediate quincuncial pattern", J. Electron. Imaging. 23(3), 030501 (May 19, 2014). ; http://dx.doi.org/10.1117/1.JEI.23.3.030501


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