Stochastic color interpolation for digital cameras

被引：26

作者：

Chang, Hung-An ^{[1
]}

Chen, Homer H.

机构：

[1] Natl Taiwan Univ, Dept Elect Engn, Grad Inst Commun Engn, Taipei 10617, Taiwan

[2] MIT, Comp Sci & Artificial Intelligence Lab, Cambridge, MA 02142 USA

[3] Natl Taiwan Univ, Dept Elect Engn, Grad Inst Networking & Multimedia, Taipei 10617, Taiwan

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY | 2007年 / 17卷 / 08期

关键词：

color filter array (CFA); color interpolation; demosaicing; edge detection; edge-sensitive weighting;

D O I：

10.1109/TCSVT.2007.897471

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a stochastic estimation approach to adaptive interpolation of color filter array. It models an image as a 2-D locally stationary Gaussian process and achieves robustness against aliasing by employing an edge-sensitive weighting policy based on the stochastic characteristics of uniformly oriented edge indicators. Experimental results show that the algorithm can effectively eliminate the occurrence of perceptible artifact. Performance comparison in terms of peak signal-to-noise ratio and mean square error is provided to demonstrate the superiority of the proposed algorithm.

引用

页码：964 / 973

页数：10

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