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:
Mar. 27, 2007
Filed:
Jul. 01, 2003
Ram Naidu, Waban, MA (US);
Ibrahim Bechwati, Waltham, MA (US);
Carl R. Crawford, Brookline, MA (US);
Ram Naidu, Waban, MA (US);
Ibrahim Bechwati, Waltham, MA (US);
Carl R. Crawford, Brookline, MA (US);
Analogic Corporation, Peabody, MA (US);
Abstract
A method of decomposition of projection data is provided, wherein such projection data includes input projection data acquired using at least two x-ray spectra for a scanned object, including low energy projection data (P) and high energy projection data (P); the method comprises solving the projections Pand Pto determine a photoelectric line integral (A) component of attenuation and a Compton line integral (A) component of attenuation of the scanned object using a multi-step fitting procedure and constructing a Compton image Iand a photoelectric image Ifrom the Compton line integral and photoelectric line integral.