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Proceedings Paper

Intermediate color interpolation for color filter array containing the white channel
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Paper Abstract

Recently, a color filter array sensor with the white channel has been developed. This color filter array differs from the Bayer CFA, which is composed of red, green and blue channels. Since the white channel shows high sensitivity through broad spectral bands and a high light sensitivity, it presents many advantages. However, various color interpolation method for the Bayer CFA cannot be utilized for CFA pattern that contains the white channel directly. In this paper, a method for generating a quincuncial pattern is proposed for the CFA pattern. By generating an intermediate quincuncial pattern, various color interpolation algorithms can be applied to it. Experimental results are shown in comparison with the conventional method in terms of PSNR measurements.

Paper Details

Date Published: 16 March 2015
PDF: 10 pages
Proc. SPIE 9399, Image Processing: Algorithms and Systems XIII, 93990B (16 March 2015); doi: 10.1117/12.2076485
Show Author Affiliations
Jonghyun Kim, Yonsei Univ. (Korea, Republic of)
Sang Wook Park, Yonsei Univ. (Korea, Republic of)
Moon Gi Kang, Yonsei Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 9399:
Image Processing: Algorithms and Systems XIII
Karen O. Egiazarian; Sos S. Agaian; Atanas P. Gotchev, Editor(s)

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