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:
Jul. 18, 2023

Filed:

Apr. 15, 2019
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventors:

Toru Shirai, Tokyo, JP;

Suguru Yokosawa, Tokyo, JP;

Hisako Nagao, Tokyo, JP;

Yasuhide Yoshida, Tokyo, JP;

Yasuo Kawata, Tokyo, JP;

Kuniaki Harada, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/055 (2006.01); A61B 5/00 (2006.01); G06T 7/00 (2017.01); G06T 15/30 (2011.01); G06T 3/00 (2006.01); G01R 33/563 (2006.01); G01R 33/56 (2006.01); A61B 5/02 (2006.01); G06V 10/25 (2022.01); G06V 20/64 (2022.01);
U.S. Cl.
CPC ...
A61B 5/055 (2013.01); A61B 5/0042 (2013.01); A61B 5/02007 (2013.01); G01R 33/5608 (2013.01); G01R 33/5635 (2013.01); G06T 3/0068 (2013.01); G06T 7/0012 (2013.01); G06T 15/30 (2013.01); G06V 10/25 (2022.01); G06V 20/64 (2022.01); G06T 2207/10088 (2013.01); G06T 2207/20081 (2013.01); G06T 2207/20182 (2013.01); G06T 2207/30016 (2013.01); G06T 2207/30104 (2013.01);
Abstract

An automatic clipping technique capable of satisfactorily extracting blood vessels to be extracted is provided. A specific tissue extraction mask image which is created by extracting a specific tissue (for example, a brain) from a three-dimensional image acquired by magnetic resonance angiography and a blood vessel extraction mask image which is created by extracting a blood vessel from an area (a blood vessel search area) which is determined using a preset landmark position and the specific tissue extraction mask image are integrated to create an integrated mask. By applying the integrated mask to the three-dimensional image, a blood vessel is clipped from the three-dimensional image.


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