Multiple-invariant space-variant optical processing

Details Multiple-invariant space-variant optical processing Multiple-invariant space-variant optical processing

1979-02-12

1981-12-29

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

3401463Q, 350162SF, 364515, 364822, 364826, G06K 940, G06G 900

Patent

active

043085210

ABSTRACT:
A multiple-invariant, space variant optical processor in which two functions described by any number of separate distortion parameters can be correlated with no loss in signal-to-noise ratio of the correlation. The unknown distortion parameters can also be determined in this scheme. Experimental confirmation of the key step, determination of the non-linear phase portion of a complex optical transform can be provided.

REFERENCES:
patent: 3270188 (1966-08-01), Ares
patent: 4084255 (1978-04-01), Casasent et al.
patent: 4138190 (1979-02-01), Bryngdahl
patent: 4153336 (1979-05-01), Minami et al.

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