Optimum target detection using a spatial-domain bipolar composite filter with a joint transform correlator

Francis T. Yu, Mingzhe Lu, Guowen Lu, Shizhuo Yin, Tracy D. Hudson, Deanna K. McMillen

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    Abstract

    Synthesis of a spatial-domain bipolar composite filter (SBCF) using simulated annealing algorithm is presented. Since a SBCF is a spatial-domain filter, it is very suitable for implementation in a joint transform correlator. To alleviate the stringent control requirement of a phase-modulated spatial light modulator, a position-encoding technique is used to generate the SBCF as well as the input objects. Experimental demonstrations are also provided, in which it is shown that the SBCF has a higher discrimination capability of extracting the target objects against the antitarget objects.

    Original languageEnglish (US)
    Pages (from-to)3200-3207
    Number of pages8
    JournalOptical Engineering
    Volume34
    Issue number11
    DOIs
    StatePublished - Jan 1 1995

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    All Science Journal Classification (ASJC) codes

    • Atomic and Molecular Physics, and Optics
    • Engineering(all)

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