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:
Nov. 13, 2001
Filed:
Dec. 30, 1999
Applicant:
Inventor:
Sarah Kathryn Patch, Milwaukee, WI (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 6/03 ;
U.S. Cl.
CPC ...
A61B 6/03 ;
Abstract
A method and apparatus for imaging an object by applying imaging energy from a source to the object such that a cone beam of imaging energy (,) that has passed through the object is detected by a detector. In contrast to known methods, direct x-ray inversion of the cone beam measurements is made, where the inversion includes a backprojection step that precedes the filtering step. The inverted cone beam measurements are backprojected on the fly, thereby reducing lag time between the end of data collection and image generation to the time required to perform a fast Fourier-based filter of the backprojected data.