Image processing apparatus, image processing method, and storage medium

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United States of America Patent

PATENT NO 9531969
APP PUB NO 20150350579A1
SERIAL NO

14727093

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Abstract

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An image processing apparatus includes an extraction unit, a setting unit, a reference value calculation unit, a comparison unit, and an information determination unit. The extraction unit extracts a target area from an image. The setting unit sets a pixel from the target area as a pixel-of-interest. The reference value calculation unit calculates a reference value based on a pixel value of at least one or more pixels included in the target area. The comparison unit repeatedly performs processing of comparing a pixel value of at least one or more pixels among a plurality of pixels in a predetermined layout with respect to the pixel-of-interest with the reference value. The information determination unit determines information of the pixel-of-interest based on a comparison result of the comparison unit and a value corresponding to the comparison result.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsugu, Masakazu Yokohama, JP 190 5868
Nogami, Atsushi Tokyo, JP 58 479
Shiozaki, Hiromi Yokohama, JP 5 53

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