Image processing apparatus, image processing method, and non-transitory computer readable storage medium
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United States of America Patent
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Feb 14, 2017
Grant Date -
Jun 2, 2016
app pub date -
Nov 25, 2015
filing date -
Nov 28, 2014
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Abstract
An image processing apparatus, determines, using a pixel signal included in a region referenced on a pixel of interest of a target image, a direction having a high signal correlation in the region, performs, using pixel signals from neighboring pixels of the pixel of interest based on a determination result, interpolation processing for interpolating a pixel signal of the pixel of interest, and performs reduction by reducing the number of pixels of the interpolated image, wherein the interpolation processing is executed according to a reduction rate used in the reduction, such that a high frequency component of the image decreases as a degree of reduction increases, while applying a weight to the pixel signal of a pixel, among the neighboring pixels, located in the direction determined as having the high correlation based on the determination result.
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