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Demosaicing is a process of interpolating the missing colors of color filter array. Recently, a quite good demosaicing method using directional filtering and a posteriori decision has been proposed. However, the window size of classifiers in the decision is fixed, which may not be suitable for different kinds of image area. To solve this problem, we present variable-size classifiers in this paper...
This paper proposes a color filter array interpolation method, which expands the preceding gradient based scheme by adopting Gaussian low-pass filter. It starts from the assumption that high frequency components of the green plane in an image are almost the same as those of the red or blue planes in the same image. We identify that the conventional gradient method can make use of this idea and can...
In this document we disclose a technique integrating both a color interpolation method and an antialiasing method in a single step. This solution permits a reduction of memory requirement. In fact no extra memory lines are required to perform the false colors removal. This technique drastically reduces false colors and zipper effect by exploiting at the same time both spatial and spectral correlations.
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