Imaging apparatus compensating for nonuniformity in detector out

Details Imaging apparatus compensating for nonuniformity in detector out Imaging apparatus compensating for nonuniformity in detector out

1993-05-20

1995-02-21

Fields, Carolyn E.

Radiant energy

Infrared-to-visible imaging

Including means for scanning field of view

250332, G01J 510

Patent

active

053918738

ABSTRACT:
This invention provides imaging apparatus in which an image is scanned over an array of sensing elements 2, the outputs of which form a plurality of channels. Signal processing means 6 adds a noise signal to at least some of the channels to more closely match the signal to noise ratio of the channels and reduce linear noise structures, to which the eyebrain is particularly sensitive, in the output signal 10 of the processing means.

REFERENCES:
patent: 4042959 (1977-08-01), Klein
patent: 4079423 (1978-03-01), Diehl
patent: 4225883 (1980-09-01), Van Atta et al.
patent: 4298887 (1981-11-01), Rode
patent: 4315284 (1982-02-01), Stillwell et al.
patent: 4450479 (1984-05-01), Horne
patent: 4705945 (1987-11-01), Worcester

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