Fresnel lens-encoded binary phase-only filters for optical pattern recognition

We describe a technique for reducing false signals from optical correlators using binary phase-only filters (BPOF's). Since the impulse-response function of the BPOF contains both the target object and the inverted version of it, the output consists of the correlation of the input object with b...

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Veröffentlicht in:	Optics letters 1989-07, Vol.14 (13), p.659-661
Hauptverfasser:	DAVIS, J. A, COTTRELL, D. M, DAVIS, J. E, LILLY, R. A
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fundamental areas of phenomenology (including applications) Imaging and optical processing Optics Physics
Online-Zugang:	Volltext
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