Image reproduction using sharp and unsharp signals

Details Image reproduction using sharp and unsharp signals Image reproduction using sharp and unsharp signals

1979-09-20

1980-12-02

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358284, H04N 140

Patent

active

042374812

ABSTRACT:
This relates to a method of image reproduction in which detail enhancement is carried out using sharp and unsharp signals (S and U), for example in accordance with the expression

REFERENCES:
patent: 2691696 (1954-10-01), Yule
patent: 2721892 (1955-10-01), Yule
patent: 2962548 (1960-11-01), Taudt

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