Mr. Daniele Menon Profile

Daniele Menon

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Proceedings Article | 28 January 2008 Paper

A regularization approach to demosaicking

Daniele Menon, Giancarlo Calvagno

Proceedings Volume 6822, 68221L (2008) https://doi.org/10.1117/12.765446

KEYWORDS: Optical filters, Image processing, Reconstruction algorithms, Sensors, Linear filtering, Neptunium, Statistical analysis, Image sensors, Image analysis, Matrices

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Demosaicking is the process of reconstructing a full resolution color image from the sampled data acquired by a digital camera that apply a color filter array to a single sensor. In this paper, we propose a regularization approach to demosaicking, making use of some prior knowledge about natural color images, such as smoothness of each single color component and correlation between the different color channels. Initially, a quadratic strategy is considered and a general approach is reported. Then, an adaptive technique is analyzed, in order to improve the reconstruction near the edges and the discontinuities of the image. This is performed using a novel strategy that avoids computational demanding iterations. The proposed approach provides good performances and candidates itself for many applications.

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