G - Physics – 06 – T
Patent
G - Physics
06
T
G06T 7/00 (2006.01) G06K 9/80 (2006.01) G06T 5/00 (2006.01)
Patent
CA 2640931
Methods for detecting areas of interest in an image using combined edge magnitude and edge direction analysis techniques are presented. One embodiment features using thermal imaging data to detect hotspots in maritime settings that may be potential targets for tracking or weapons systems. The edge magnitude and edge direction data are derived from the intensity image and then combined with the intensity image and analyzed morphologically to remove noise and background elements. The combined image data is then selectively filtered to remove horizontal non-target elements and then analyzed further against target size information to determine which detected and analyzed hotspots are valid targets. Another embodiment features receiving as input an intensity image along with its associated edge magnitude and edge direction images, which have both been created by a means outside the detection method. Yet another embodiment features a detection method that does not selectively filter out horizontal image elements.
Lockheed Martin Corporation
Riches Mckenzie & Herbert Llp
LandOfFree
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