Automatic target recognition system with Elliptical...

Details Automatic target recognition system with Elliptical... Automatic target recognition system with Elliptical...

2007-09-25

2007-09-25

Bella, Matthew C. (Department: 2624)

Image analysis

Applications

Target tracking or detecting

C382S191000, C382S206000, C382S205000, C348S169000

Reexamination Certificate

active

10355124

ABSTRACT:
Automatic target recognition system and/or method which employs an elliptical Laplacian pyramid based pre-screen image data filter. The filter is a resolution sequence matched filter, where the elliptical Laplacian operator reflects the size, spatial characteristics and image intensity level of prospective, candidate targets embedded in the image data. Targets which exhibit a rectangular or elliptical shape at various aspect angles are more therefore more effectively and efficiently identified and located.

REFERENCES:
patent: 6516087 (2003-02-01), Camus
patent: 6801645 (2004-10-01), Collins et al.
Jackson, Scott A., Ahuja, Narendra; “Elliptical Gaussian Filters”; IEEE; 1996.
Serafim, Antonio F. Limas; “Object Detection in Images of Natural Scenes Represented by AR Models Using Laplacian Pyramids: Application to Leather Defects Localization”; IEEE; 1992.
Burt, Peter J., Adelson, Edward H.; “The Laplacian Pyramid as a Compact Image Code”; IEEE Transactions on Communciations, vol. COM-31, No. 4, Apr. 1983.

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