High order extrapolation using taylor series for color filter array demosaicing

Authors:
J. S. Jimmy Li;Sharmil Randhawa
Affiliations:
School of Informatics and Engineering, Flinders University, Adelaide, Australia;School of Informatics and Engineering, Flinders University, Adelaide, Australia
Venue:
ICIAR'05 Proceedings of the Second international conference on Image Analysis and Recognition
Year:
2005

Citing 5
Cited 2

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Abstract

A novel noniterative extrapolation method based on Taylor series approximation is proposed for color filter array demosaicing. New extrapolation equations are derived for the estimation of the green plane with higher accuracy by including higher order terms of the Taylor series. Our proposed method avoids interpolation across an edge and thus reduces errors in the demosaiced image. It has been shown that our method outperforms other techniques in image quality measures, especially around edges.