Image enhancement

Details Image enhancement Image enhancement

1985-08-16

1986-12-09

Capossela, Ronald C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 42, 358 80, H04N 146

Patent

active

046283501

ABSTRACT:
Scanning apparatus for generating signals representing color components of successively scanned picture elements of an original colored image comprises a light source (1); means (42,45) for causing relative movement between the original image (3) and a light beam generated by the light source (1) whereby successive picture elements of the original image are scanned. Means (13) for generating a sharp light beam for each color component of each element and an unsharp light beam for at least one color component of each element are provided. Common detection means (10) receives the sharp and unsharp light beams and provides corresponding output signals. Sequencing means such as a filter wheel (13) causes the sharp and unsharp beams sequentially to impinge on the detection means (10).

REFERENCES:
patent: 2606245 (1952-08-01), Hall
patent: 2911468 (1959-11-01), Pourciau
patent: 3012093 (1961-12-01), Taudt
patent: 3612753 (1971-10-01), Korman
patent: 3878559 (1975-04-01), Pugsley
patent: 4199219 (1980-04-01), Suzki

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