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. 25, 2001
Filed:
Apr. 03, 1998
Applicant:
Inventors:
Abhijit Mahalanobis, Tuscon, AZ (US);
B. V. K. Vijaya Kumar, Upper St. Claire, PA (US);
Assignee:
Raytheon Company, Lexington, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/76 ; G06K 9/64 ; G06K 9/40 ;
U.S. Cl.
CPC ...
G06K 9/76 ; G06K 9/64 ; G06K 9/40 ;
Abstract
A method and apparatus for detecting a pattern within an image. Image data (,) is received which is representative of the image. Filter values (,) are determined which substantially optimizes a first predetermined criterion (,). The first predetermined criterion (,) is based upon image data (,). A correlation output (,) is determined which is indicative of the presence of the pattern within the image data (,). The correlation output (,) is based upon the determined filter values (,) and the image data (,) via a non-linear polynomial relationship (,).