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An Adaptive Color Filter Array Interpolation Algorithm for Digital Camera

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2 Author(s)
King-hong Chung ; Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hong Kong ; Yuk-hee Chan

In this paper, an adaptive color filter array (CFA) interpolation method is presented. By examining the edge levels and the variance of color difference along different edge directions, the missing green samples are first estimated. The missing red and blue samples are then estimated based on the interpolated green plane. This algorithm can effectively preserve the details as well as significantly reduce the color artifacts. As compared with some current state-of-art methods, the proposed algorithm provides outperformed results in terms of both subjective and objective image quality measures.

Published in:

2006 International Conference on Image Processing

Date of Conference:

8-11 Oct. 2006