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:
Dec. 15, 2015

Filed:

Feb. 22, 2011
Applicant:

Shunji Takei, Hachioji, JP;

Inventor:

Shunji Takei, Hachioji, JP;

Assignee:

OLYMPUS CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 1/05 (2006.01); A61B 1/07 (2006.01); A61B 1/04 (2006.01); A61B 1/06 (2006.01); A61B 1/00 (2006.01);
U.S. Cl.
CPC ...
A61B 1/05 (2013.01); A61B 1/00009 (2013.01); A61B 1/04 (2013.01); A61B 1/041 (2013.01); A61B 1/043 (2013.01); A61B 1/0638 (2013.01); A61B 1/0646 (2013.01); A61B 1/0669 (2013.01); A61B 1/07 (2013.01); G06T 2207/10068 (2013.01);
Abstract

An image pickup system of the present invention has a light emitting section that emits a first illuminating light and a second illuminating light to an object, an image pickup section that picks up an image of a first return light and an image of a second return light, and outputs the images as image pickup signals respectively, an image generating section that generates a first image and a second image respectively based on the image pickup signals, a differential value calculating section that calculates a first differential value corresponding to the first image and a second differential value corresponding to the second image respectively, a calculation section that performs calculation processing by using the first differential value and the second differential value, and a region discriminating section that discriminates between regions in the object by applying threshold processing to a calculation result of the calculation section.


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