Distortion-invariant optical pattern recognition using composite binary filters

M. Gregg Roe; Kevin L. Schehrer; R. A. Dobson; Leo P. Schirber

doi:10.1117/12.160288

25 October 1993 Distortion-invariant optical pattern recognition using composite binary filters

M. Gregg Roe, Kevin L. Schehrer, R. A. Dobson, Leo P. Schirber

Proceedings Volume 1959, Optical Pattern Recognition IV; (1993) https://doi.org/10.1117/12.160288
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

A method for constructing limited, distortion-invariant, composite, binary filters for an optical nonlinear joint transform correlator is described. Experimental results are presented on the in- situ construction of such filters, their invariance, discrimination, and correlation quality.

Citation Download Citation

M. Gregg Roe, Kevin L. Schehrer, R. A. Dobson, and Leo P. Schirber "Distortion-invariant optical pattern recognition using composite binary filters", Proc. SPIE 1959, Optical Pattern Recognition IV, (25 October 1993); https://doi.org/10.1117/12.160288

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