Vander lugt optical correlator on a printed circuit board

Details Vander lugt optical correlator on a printed circuit board Vander lugt optical correlator on a printed circuit board

1996-06-20

1997-08-19

Couso, Yon J.

Image analysis

Image transformation or preprocessing

Correlation

382280, G06K 900

Patent

active

056596375

ABSTRACT:
A Vander Lugt optical correlator adapted to be mounted on a printed circuit board or other mounting means usable with or in a personal computer utilizing a monochromatic coherent polarized light source, a folded optical path with optics that perform light beam collimation and Fourier transformations, SLMs for scene and filter inputs and a CCD detector array at the correlation plane. The module may be of any selected configuration, such as, a parallelopiped, or a disc, either of which may be hollow, of solid opaque material for light paths formed therein, of a transparent media without passages, or of multiple sections for packaging shape, light path length compensation, component mounting etc. The circuit board may contain electronics required to operate all of the correlators electronic components.

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patent: 5101270 (1992-03-01), Boone et al.
patent: 5148496 (1992-09-01), Anderson
patent: 5150228 (1992-09-01), Liu et al.
patent: 5282067 (1994-01-01), Liu
patent: 5418380 (1995-05-01), Simon et al.
Knopp "Optical calculation of correlation filters" SPIE vol. 1295 1990 pp. 68-75.
Barnes et al "Optoelectronic determination of binary phase only filters for optical correlation"Optical Engineering 1992 pp. 1936-1945.
Ross, "Miniature Ruggedized Optical Correlator Optimized for Space" LEOS 1991 pp. 1-18.

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