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. 30, 2026
Filed:
Oct. 12, 2022
Applicant:
Koninklijke Philips N.v., Eindhoven, NL;
Inventors:
Rafael Wiemker, Kisdorf, NL;
Jörg Sabczynski, Norderstedt, NL;
Cornelis Petrus Hendriks, Eindhoven, NL;
Assignee:
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2022.01); G06T 7/00 (2017.01); G06T 7/11 (2017.01);
U.S. Cl.
CPC ...
G06T 7/0012 (2013.01); G06T 7/11 (2017.01); G06T 2207/10081 (2013.01); G06T 2207/30061 (2013.01);
Abstract
A system and method for quantifying a pulmonary ventilation and perfusion gradient of a lung of a subject. Local Hounsfield density histograms are generated from computed tomography imaging data and each local histogram is cross-correlated with a global Hounsfield density histogram at a plurality of different shift values. A final shift value is determined for each local histogram based on the correlation values obtained by the cross-correlation.