Pseudo-DC restore application to staring array detectors

Details Pseudo-DC restore application to staring array detectors Pseudo-DC restore application to staring array detectors

1980-12-03

1983-08-23

Gruber, Felix D.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358166, 358171, 364863, 382 10, H04N 516, H04N 533

Patent

active

044007299

ABSTRACT:
An adjustment signal is derived for each element in a detector array which depends on the median of the differences of image brightness between that particular detector and all its neighboring detectors. The adjustment signal is derived by integrated circuit techniques on the detector itself. The negative feedback of these adjustment signals to the uncorrected detector outputs will delete the salt-and-pepper noise of the staring array.

REFERENCES:
patent: 3985954 (1976-10-01), Kuniyoshi et al.
patent: 4214271 (1980-07-01), Jones et al.

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