Image signal correction processing apparatus

Details Image signal correction processing apparatus Image signal correction processing apparatus

1991-04-18

1993-05-11

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358166, 358174, H04N 557

Patent

active

052106101

ABSTRACT:
The present invention relates to an apparatus by which, in the image display corresponding to a image signal, image signal is processed to adjust the contrast of the picture so as to provide automatically the contrast adjustment most suitable for respective level of image signal, thereby improving the quality of the picture by regulating the level of the image signal according to the information showing the distribution status of the levels of image signals input during a specified period of time.

REFERENCES:
patent: 3790706 (1974-02-01), Gubala et al.
patent: 4187519 (1980-02-01), Vitels et al.
patent: 4231065 (1980-10-01), Fitch et al.
patent: 4337514 (1982-06-01), Favreau
patent: 4470067 (1984-09-01), Mino
patent: 4489349 (1984-12-01), Okada
patent: 4499486 (1985-02-01), Favreau
patent: 4695884 (1987-09-01), Anastassiou
patent: 4731662 (1988-03-01), Udagawa et al.
patent: 4852002 (1989-07-01), Klauz
patent: 4864392 (1989-09-01), Sato

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