A Color Interpolation Method for Bayer Filter Array Images Based on Direction Flag

DOI

10.2991/cmes-15.2015.172How to use a DOI?

Keywords

color filter array (CFA); demosaicking; direction flag; SSIM.

Abstract

The paper presents a color interpolation method for Bayer filter array images based on direction flag. The proposed algorithm determines four edge patterns defined through direction flag by four nearest green values surrounding the green interpolation location. Firstly, Bayer differences between multichannel pixels in horizontal and vertical directions of the color filter interpolation case are obtained. Secondly according to direction flag and edge pattern of the center pixel, missing green components of the center pixel are interpolated by different formulas in the horizontal, vertical and diagonal directions. Finally, correlation among channels is adopted to reconstruct remaining red/blue components pixels. Experimental results show that the presented method for Bayer CFA images based on direction flag can provide better reconstruction quality qualitatively and quantitatively.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Zheng Liu
AU  - Huachuang Wang
PY  - 2015/04
DA  - 2015/04
TI  - A Color Interpolation Method for Bayer Filter Array Images Based on Direction Flag
BT  - Proceedings of the 2nd International Conference on Civil, Materials and Environmental Sciences
PB  - Atlantis Press
SP  - 630
EP  - 635
SN  - 2352-5401
UR  - https://doi.org/10.2991/cmes-15.2015.172
DO  - 10.2991/cmes-15.2015.172
ID  - Liu2015/04
ER  -