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Abstract

A super-resolved demosaicing technique for rendering focused plenoptic camera data performs simultaneous super-resolution and demosaicing. The technique renders a high-resolution output image from a plurality of separate microimages in an input image at a specified depth of focus. For each point on an image plane of the output image, the technique determines a line of projection through the microimages in optical phase space according to the current point and angle of projection determined from the depth of focus. For each microimage, the technique applies a kernel centered at a position on the current microimage intersected by the line of projection to accumulate, from pixels at each microimage covered by the kernel at the respective position, values for each color channel weighted according to the kernel. A value for a pixel at the current point in the output image is computed from the accumulated values for the color channels.

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First Claim