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Phase extraction pattern recognition

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Abstract

Phase extraction pattern recognition is a special case of nonlinear matched filtering. The phase extraction procedure is executed on the input function’s Fourier transform as well as on the filter function’s Fourier transform, both of which are manipulated for correlation purposes. This novel process is examined theoretically, by computer simulations and laboratory experiments. The implementation of a coherent electro-optical phase extraction pattern recognition system demonstrates the advantages of this new approach.

© 1992 Optical Society of America

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