Image interpolating unit, program product, and reading apparatus that inserts an interpolated pixel value in a lost pixel position based on edge amounts of reference pixels and total of differences between pixel values
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United States of America Patent
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Mar 8, 2016
Grant Date -
Nov 26, 2015
app pub date -
May 20, 2015
filing date -
May 23, 2014
priority date (Note) -
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Abstract
Provided is an image interpolating unit including: a first interpolation pixel generator that generates a first pixel value; a second interpolation pixel generator that detects, based on a total of differences between pixel values in a pixel group centered around a lost pixel and pixel values in pixel groups centered around a single pixel around the lost pixel, reference pixels of the lost pixel, and generate, based on the reference pixels, a second pixel value on the lost pixel; a reference pixel edge amount calculator; and an interpolator that inserts, as an interpolation pixel value, one of the first and the second pixel values into a position corresponding to the lost pixel, based on edge amounts of the reference pixels and a total of differences between pixel values in a pixel group centered around the reference pixels and the pixel values in the pixel group centered around the lost pixel.
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