Image analysis apparatus, radiation imaging apparatus, image analysis method, and storage medium

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United States of America Patent

PATENT NO 9299141
APP PUB NO 20140219536A1
SERIAL NO

14159655

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Abstract

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An image analysis apparatus detects a periodic signal corresponding to an arrangement of a grid, which is required to reduce scattered radiation components from an object, from an image obtained by radiation imaging using the grid. The image analysis apparatus includes: a setting unit configured to set a plurality of regions on the image; an obtaining unit configured to obtain statistic information of pixel values corresponding to each of the plurality of regions of the image based on the image; a selection unit configured to select at least one measurement region from the plurality of regions based on the statistic information; and a detection unit configured to detect the periodic signal using image data of the selected measurement region.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takahashi, Naoto Sagamihara, JP 109 471

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