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Patent Searching and Data


Title:
IMAGE CORRECTION METHOD, IMAGING DEVICE, AND INSPECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/171487
Kind Code:
A1
Abstract:
An image correction method for correcting an original image when a synthesized image is generated by overlapping a plurality of original images captured under illumination in each of a plurality of different light source colors includes: (a) a step for obtaining a correction amount for correcting, to the reference position of a reference mark of a reference image of a specified light source color, the position of a reference mark recognized from a reference image in a specified light source color, from among the reference images for each light source color in which the member to which the reference mark is provided is imaged under the illumination of each of the light source colors, associating the correction amount with the light source color, and setting the correction amount; (b) a step for obtaining, for each light source color other than the specified light source color, a correction amount for correcting, to the reference position in the reference image of the specified light source color, the position of the reference mark recognized from the reference image of the other light source color, associating the correction amount with the light source color, and setting the correction amount; and (c) a step for summarizing and correcting the distortion and chromatic aberration of the original image in each light source color, using the correction amount associated with each light source color when the original image is captured.

Inventors:
INAURA YUKI (JP)
KITO SHUICHIRO (JP)
YOKOI YUTA (JP)
Application Number:
PCT/JP2020/008044
Publication Date:
September 02, 2021
Filing Date:
February 27, 2020
Export Citation:
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Assignee:
FUJI CORP (JP)
International Classes:
H04N5/232; G03B15/00; G03B15/02; H04N5/225; H05K13/08
Domestic Patent References:
WO2016013470A12016-01-28
WO2019111331A12019-06-13
Foreign References:
JP2014035261A2014-02-24
JP2015032895A2015-02-16
JPH08116490A1996-05-07
Other References:
See also references of EP 4113967A4
Attorney, Agent or Firm:
ITEC INTERNATIONAL PATENT FIRM (JP)
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