Demosaicing as the problem of regularization

Irina Kunina; Aleksey Volkov; Sergey Gladilin; Dmitry Nikolaev

doi:10.1117/12.2228679

8 December 2015 Demosaicing as the problem of regularization

Irina Kunina, Aleksey Volkov, Sergey Gladilin, Dmitry Nikolaev

Proceedings Volume 9875, Eighth International Conference on Machine Vision (ICMV 2015); 987517 (2015) https://doi.org/10.1117/12.2228679
Event: Eighth International Conference on Machine Vision, 2015, Barcelona, Spain

Abstract

Demosaicing is the process of reconstruction of a full-color image from Bayer mosaic, which is used in digital cameras for image formation. This problem is usually considered as an interpolation problem. In this paper, we propose to consider the demosaicing problem as a problem of solving an underdetermined system of algebraic equations using regularization methods. We consider regularization with standard l_1/2-, l₁ -, l₂- norms and their effect on quality image reconstruction. The experimental results showed that the proposed technique can both be used in existing methods and become the base for new ones

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Irina Kunina, Aleksey Volkov, Sergey Gladilin, and Dmitry Nikolaev "Demosaicing as the problem of regularization", Proc. SPIE 9875, Eighth International Conference on Machine Vision (ICMV 2015), 987517 (8 December 2015); https://doi.org/10.1117/12.2228679

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KEYWORDS

Image restoration

Image processing

Image quality

Optical filters

Digital cameras

Digital image processing

Image filtering

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