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. 04, 2003
Filed:
Oct. 30, 1998
Sussan Pourjavid, Milwaukee, WI (US);
General Electric Company, Schenectady, NY (US);
Abstract
Potentially defective pixel regions of a discrete pixel detector are identified through analysis of a series of dark images and a series of exposed images. In the case of an x-ray system, the dark images are created with little or no radiation impacting the detector, while the exposed images are created with a uniform level of radiation over the detector surface. Output signals from the detector are averaged over the series of dark images, and over the series of exposed images. Analyses are performed on the average values to identify pixels producing inconsistent output signals, pixels producing output signals varying more than a desired amount from reference levels, and pixels producing output signals varying more than a desired amount from output signals of neighboring pixels. A mask is generated referencing the defective pixels for use in processing subsequent images.