The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 08, 2020

Filed:

Mar. 16, 2018
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Toshikazu Tamura, Utsunomiya, JP;

Hiroki Asai, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 23/04 (2018.01); G06T 5/50 (2006.01);
U.S. Cl.
CPC ...
G01N 23/04 (2013.01); G06T 5/50 (2013.01); G01N 2223/3103 (2013.01); G06T 2207/10116 (2013.01);
Abstract

A radiation imaging system stabilizes a change in temperature of a radiation imaging apparatus, obtains a radiation image of an object based on radiation applied from a radiation source and reaching through the object, obtains a correction image by performing imaging without irradiation with the radiation from the radiation source, performs, using the correction image, image processing for correcting an offset component appearing in the radiation image on the radiation image, and determines whether stabilization of a change in temperature of the radiation imaging apparatus is effectively functioning. The radiation imaging system switches modes of obtaining the correction image based on determination.


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