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.
Patent No.:
Date of Patent:
Jun. 09, 2026
Filed:
Apr. 19, 2023
Applicant:
Wisconsin Alumni Research Foundation, Madison, WI (US);
Inventors:
John W. Garrett, Middleton, WI (US);
Perry J. Pickhardt, Madison, WI (US);
B. Dustin Pooler, Madison, WI (US);
Assignee:
Wisconsin Alumni Research Foundation, Madison, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/00 (2017.01); A61B 6/00 (2024.01); G06T 7/10 (2017.01); G06V 10/74 (2022.01); G16H 30/20 (2018.01);
U.S. Cl.
CPC ...
G06T 7/0012 (2013.01); A61B 6/481 (2013.01); G06T 7/10 (2017.01); G06V 10/761 (2022.01); G16H 30/20 (2018.01); G06T 2207/10081 (2013.01); G06T 2207/30101 (2013.01);
Abstract
A system for automatically determining whether a CT image was taken with or without contrast media uses a segmentation to isolate voxels of a vascularized structure and simple statistical thresholding of the attenuation values of the isolated voxels to provide transparent and robust discrimination. In some embodiments, the phase of the contrast injection can be deduced from a degree of variation in attenuation of the isolated organ voxels.