Coherent optical feature identifier apparatus

Details Coherent optical feature identifier apparatus Coherent optical feature identifier apparatus

1980-07-23

1983-06-14

McGraw, Vincent P.

Optics: measuring and testing

Document pattern analysis or verification

35016213, G06K 958, G06K 976

Patent

active

043879896

ABSTRACT:
A coherent optical feature identifier apparatus utilizing an optical data gathering system in conjunction with a digital data correlator unit to recognize uninterpretable features on photographs. A dual visual display is utilized to compare a desired feature with the Fourier transform correlation from the comparator storage unit.

REFERENCES:
patent: 3409872 (1968-11-01), Hogg et al.
patent: 3461301 (1969-08-01), Fitzmaurice et al.
patent: 3539260 (1970-11-01), Burch
patent: 3571603 (1971-03-01), Bryant
patent: 3689772 (1972-09-01), George et al.
patent: 3743422 (1973-07-01), Wood
patent: 3779492 (1973-12-01), Grumet

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