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. 31, 2020
Filed:
Jan. 31, 2019
Applicant:
Raytheon Company, Waltham, MA (US);
Inventors:
Joseph C. Landry, Waltham, MA (US);
John J. Coogan, Waltham, MA (US);
Assignee:
Raytheon Company, Waltham, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/33 (2006.01); H04N 7/18 (2006.01); G06K 9/46 (2006.01); G01J 5/00 (2006.01); G06K 9/62 (2006.01);
U.S. Cl.
CPC ...
G06K 9/4661 (2013.01); G01J 5/0066 (2013.01); G06K 9/6202 (2013.01); H04N 5/33 (2013.01); G01J 2005/0077 (2013.01);
Abstract
A system and method for processing a daytime IR image to discriminate between solar glints and hotspots, where the latter represent man-made activity. Two spectrally distinct thermal wavelength bands are defined and respective spectral intensities are detected for a corresponding pixel in an image. A figure of merit is calculated as a function of the detected spectral intensities. The calculated figure of merit is compared to a predetermined rule to determine whether the corresponding pixel is a glint or a hotspot.