Edge guided interpolation and sharpening
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United States of America Patent
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Jan 23, 2018
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app pub date -
Aug 11, 2016
filing date -
Aug 17, 2015
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Abstract
Techniques, methods, and systems for image processing may be provided. The image processing may be provided for upsampling and interpolating images. The upsampling and interpolating may include interpolating the image through at least an edge weight and a spatial weight. In various embodiments, the edge weight and/or the spatial weight may be calculated with a kernel. The kernel may be a kernel with a two dimensional (2D) distribution such as a Gaussian kernel, a Laplacian kernel, or another such statistically based kernel. The image processing may also include refining the upsampled and interpolated image through a refinement weight calculation and/or through back projection.
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