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:
May. 19, 2015
Filed:
Feb. 07, 2013
Applicants:
Lifeng Yu, Byron, MN (US);
Armando Manduca, Rochester, MN (US);
Zhoubo LI, Rochester, MN (US);
Joel G. Fletcher, Oronoco, MN (US);
Cynthia H. Mccollough, Byron, MN (US);
Inventors:
Lifeng Yu, Byron, MN (US);
Armando Manduca, Rochester, MN (US);
Zhoubo Li, Rochester, MN (US);
Joel G. Fletcher, Oronoco, MN (US);
Cynthia H. McCollough, Byron, MN (US);
Assignee:
Mayo Foundation for Medical Education and Research, Rochester, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61B 6/00 (2006.01); G06T 11/00 (2006.01); A61B 6/03 (2006.01);
U.S. Cl.
CPC ...
G06T 11/003 (2013.01); A61B 6/032 (2013.01); A61B 6/5258 (2013.01); A61B 6/5205 (2013.01); A61B 6/542 (2013.01); A61B 6/583 (2013.01);
Abstract
A system and method is provided for estimating the local noise of CT images and denoising the images using a modified non-local means (NLM) algorithm that is adaptive to local variations of noise levels. A strategy for efficiently estimating the local noise of CT images is also described.