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. 14, 1990
Filed:
Dec. 22, 1988
Applicant:
Inventors:
Shih-Jong J Lee, Bellevue, WA (US);
Robert C Wang, Redmond, WA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235462 ; 235463 ;
Abstract
A method of determining the location of a barcode block comprising the steps of reducing an input image, rejecting background clutter, detecting barcode regions, extracting barcode moment-based features, and determining four corner points of said barcode block. This method of determining the location of a barcode block can be implemented in a single PC card and achieve a throughput of more than 16 documents per second.