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:
Apr. 23, 2019

Filed:

Sep. 29, 2017
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventor:

Takaaki Saito, Ashigarakami-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); A61B 1/04 (2006.01); A61B 1/00 (2006.01); A61B 5/1455 (2006.01); A61B 5/1459 (2006.01); A61B 5/00 (2006.01); A61B 1/06 (2006.01);
U.S. Cl.
CPC ...
A61B 1/04 (2013.01); A61B 1/00009 (2013.01); A61B 5/1459 (2013.01); A61B 5/14551 (2013.01); A61B 5/7235 (2013.01); A61B 1/0638 (2013.01);
Abstract

An image signal acquisition unit acquires a first image signal corresponding to a first wavelength band, a second image signal corresponding to a second wavelength band, a third image signal corresponding to a third wavelength band, and a fourth image signal corresponding to a fourth wavelength band. A correlation storage unit stores a correlation between oxygen saturation degree and a first calculated value obtained from a specific calculation based on the second image signal, the third image signal, and the fourth image signal. A correlation correction unit calculates a correlation correction amount on the basis of the first image signal, the second image signal, the third image signal, and the fourth image signal, and corrects the correlation on the basis of the correction amount.


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