Abstract
Most digital cameras use a color filter array of mosaic pattern to capture the colors of the scene. To render a full-resolution color image using a singlechip camera, the missing information must be estimated from the surrounding pixels. In this paper, we present an edge-adaptive demosaicking method for color demosaicking. The algorithm first estimate missing green samples in red and blue position by determining direction of edge in horizontal, vertical and diagonal directions. After determining the green samples, missing red and blue samples estimated using color differences along the direction of edges. Experimental results demonstrate that the proposed method produces visually pleasing images and significantly outperforms existing demosaicking methods in terms peak signal-to-noise ratio (PSNR) and ΔEab, which is a measure for the average color distance between original and demosaicked images in the CIELAB color space.
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Hossain, M.F., Alsharif, M.R., Yamashita, K. (2009). An Effective Edge-Adaptive Color Demosaicking Algorithm for Single Sensor Digital Camera Images. In: Huang, DS., Jo, KH., Lee, HH., Kang, HJ., Bevilacqua, V. (eds) Emerging Intelligent Computing Technology and Applications. ICIC 2009. Lecture Notes in Computer Science, vol 5754. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-04070-2_36
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DOI: https://doi.org/10.1007/978-3-642-04070-2_36
Publisher Name: Springer, Berlin, Heidelberg
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