Scale and rotation invariant real time optical correlator using computer generated hologram

Yoshiharu Saito, Shinichi Komatsu, Hitoshi Ohzu

    Research output: Contribution to journalArticle

    52 Citations (Scopus)

    Abstract

    Scale and rotation invariant optical correlation is performed with a combination of the In r - θ coordinate transformation and the conventional optical matched filtering. The mask for the In r - θ coordinate transformation is made of the computer generated hologram whose transmission function is derived by the ise of the stationary phase method. For the real time processing, a BSO incoherent-to-coherent device is placed on the coordinate transformed plane.

    Original languageEnglish
    Pages (from-to)8-11
    Number of pages4
    JournalOptics Communications
    Volume47
    Issue number1
    DOIs
    Publication statusPublished - 1983 Aug 1

    Fingerprint

    Optical correlation
    optical correlators
    Correlators
    coordinate transformations
    Holograms
    Masks
    Processing
    masks

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Scale and rotation invariant real time optical correlator using computer generated hologram. / Saito, Yoshiharu; Komatsu, Shinichi; Ohzu, Hitoshi.

    In: Optics Communications, Vol. 47, No. 1, 01.08.1983, p. 8-11.

    Research output: Contribution to journalArticle

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