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Image Demosaicking with Contour Stencils

Reference P. Getreuer, “Image Demosaicking with Contour Stencils,” Image Processing On Line, 2012. DOI: 10.5201/ipol.2012.g-dwcs.
    title = {Image Demosaicking with Contour Stencils},
    author = {Pascal Getreuer},
    journal = {Image Processing On Line},
    year = {2012},
    doi = {10.5201/ipol.2012.g-dwcs},
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Demosaicking (or demosaicing) is the problem of interpolating full color information on an image where only one color component is known at each pixel. Most demosaicking methods involve some kind of estimation of the underlying image structure, for example, choosing adaptively between interpolating in the horizontal or vertical direction. This article discusses the implementation details of the method introduced in Getreuer, “Color Demosaicing with Contour Stencils,” 2011. Mosaicked contour stencils first estimate the image contour orientations directly from the mosaicked data. The mosaicked contour stencils are then used to guide a simple demosaicking method based on graph regularization.

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