Method and apparatus for picture signal enhancement

Details Method and apparatus for picture signal enhancement Method and apparatus for picture signal enhancement

1983-01-24

1985-09-03

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

346108, 350 66, 358282, 358284, H04N 104

Patent

active

045394784

ABSTRACT:
A picture scanning and recording system in which a scanning for "sharp" signals and a scanning for "unsharp" signals are alternately conducted, each in half periods of scanning, by means of a common photoelectric converter. One of these two series of signals is temporarily stored in a memory for synchronous processing with the other series of signals that is just being produced in such a manner that no inconformity is brought about into recording signals of detail contrast.

REFERENCES:
patent: 3725574 (1973-04-01), Gast
patent: 4237481 (1980-12-01), Aughton
patent: 4310757 (1982-01-01), Check, Jr. et al.
patent: 4335407 (1982-06-01), Atoji et al.
patent: 4484232 (1984-11-01), Gast

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