Method for automatically determining reproduction picture color

Details Method for automatically determining reproduction picture color Method for automatically determining reproduction picture color

1980-12-10

1983-10-18

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 78, 358 80, H04N 146

Patent

active

044109091

ABSTRACT:
A method for automatically determining the color control conditions such as a highlight point, shadow point, a gradation control, color correction, and so forth, for a picture reproduction for use in a picture reproducing machine such as a color scanner and a color facsimile, wherein an original picture is scanned photoelectrically to pick up color separation picture signal data of the primary colors. The signal data is classified into groups to obtain a distribution condition, and according to the distribution condition obtained the color control conditions are determined.

REFERENCES:
patent: 4032969 (1977-06-01), Ueda
patent: 4096519 (1978-06-01), Hoffrichter
patent: 4236174 (1980-11-01), Gall
patent: 4300158 (1981-11-01), Morgenfruh
patent: 4305094 (1981-12-01), Yamada

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