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:
Sep. 30, 2014
Filed:
Jun. 10, 2010
Naira Muradyan, Bathesda, MD (US);
Naira Muradyan, Bathesda, MD (US);
iCad, Inc., Nashua, NH (US);
Abstract
This invention provides an automated system and method for determining contrast media arrival in vessels near tissues of interest that have been imaged using a predetermined imaging system that produces a plurality of temporally phased images. The system and method reliably distinguishes between actual contrast arrival and potential false positives that can render basic automated techniques inoperable or unreliable. In an illustrative embodiment, the system and method for determining a contrast arrival phase in a plurality of temporal phases of a medical image dataset of tissue includes an image pre-processor or process that, for each of at least a subset of the temporal phases of the medical image dataset, with at least a subset of the signal intensity values respectively in each of the temporal phases, computes signal intensity frequency distributions. An arrival phase analysis processor or process then determines the contrast arrival phase as a function of a relative change in the signal intensity frequency distributions between each of the temporal phases. The signal intensity frequency distributions can be characterized as histograms in an illustrative embodiment. The arrival phase can further be used for setting proper parameters in which to post-process temporally phased images using various methods for tissue perfusion analysis.