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:
Aug. 05, 2014
Filed:
Mar. 11, 2011
Ying Zhu, Monmouth Junction, NJ (US);
Yanghai Tsin, San Diego, CA (US);
Hari Sundar, Piscataway, NJ (US);
Frank Sauer, Princeton, NJ (US);
Ying Zhu, Monmouth Junction, NJ (US);
Yanghai Tsin, San Diego, CA (US);
Hari Sundar, Piscataway, NJ (US);
Frank Sauer, Princeton, NJ (US);
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A method for compensating respiratory motion in coronary fluoroscopic images includes finding a set of transformation parameters of a parametric motion model that maximize an objective function that is a weighted normalized cross correlation function of a reference image acquired at a first time that is warped by the parametric motion model and a first incoming image acquired at a second time subsequent to the first time. The weights are calculated as a ratio of a covariance of the gradients of the reference image and the gradients of the first incoming image with respect to a root of a product of a variance of the gradients of the reference image and the variance of the gradients of the first incoming image. The parametric motion model transforms the reference image to match the first incoming image.
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