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Optical Engineering

Distortion-invariant pattern recognition using synthetic discriminant function-based shifted phase-encoded joint transform correlator
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Paper Abstract

A novel pattern recognition technique is proposed that employs shifted phase-encoded fringe-adjusted joint transform correlation (SPFJTC) for efficient real-time application and synthetic discriminant function for invariance to distortions. The proposed technique produces a single delta-like correlation for a potential target in the input scene, and performs successfully even in a noisy environment. The simple architecture of the proposed technique can be implemented easily on optoelectronics for very high-speed operation. Computer simulation results verify the efficient performance of the technique under different variations of the input scene and the environment.

Paper Details

Date Published: 1 October 2008
PDF: 9 pages
Opt. Eng. 47(10) 108201 doi: 10.1117/1.3000589
Published in: Optical Engineering Volume 47, Issue 10
Show Author Affiliations
Mohammed Nazrul Islam, Old Dominion Univ. (United States)
Inder Purohit, Old Dominion Univ. (United States)
Vijayan K. Asari, Old Dominion Univ. (United States)
Mohammad A. Karim, Old Dominion Univ. (United States)

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