Optical implementation of the phase-only composite filter using liquid crystal television

Danny Roberge; Yunlong Sheng

doi:10.1117/12.169424

1 March 1994 Optical implementation of the phase-only composite filter using liquid crystal television

Danny Roberge, Yunlong Sheng

Proceedings Volume 2237, Optical Pattern Recognition V; (1994) https://doi.org/10.1117/12.169424
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

We implement the continuous phase-only synthetic discriminant function using the commercial liquid crystal television. The filter is a nonlinear combination of the component phase-only filters of the training images and is generated with the iterative method. It produces narrow correlation peaks at the origin without sidelobe problem. Experimental results are shown.

Citation Download Citation

Danny Roberge and Yunlong Sheng "Optical implementation of the phase-only composite filter using liquid crystal television", Proc. SPIE 2237, Optical Pattern Recognition V, (1 March 1994); https://doi.org/10.1117/12.169424

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