Realtime image processor

Details Realtime image processor Realtime image processor

1976-02-09

1977-12-27

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 96, 358213, H04H 538

Patent

active

040657884

ABSTRACT:
An image formed on an array of photosensitive elements is scanned and stored. A defocussed image is scanned and subtracted from the stored signals. The frame-to-frame subtractive algorithm permits simultaneous image enhancement and elimination of sensor induced noise. Required storage capacity is reduced by separately storing the high frequency information-bearing components and the low frequency components of the video.

REFERENCES:
patent: 3465094 (1969-09-01), Biernson
patent: 3908082 (1975-09-01), Powmall

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