Color correction method based on average brightness of pixels gr

Details Color correction method based on average brightness of pixels gr Color correction method based on average brightness of pixels gr

1994-07-07

1996-06-18

Metjahic, Safet

Facsimile and static presentation processing

Natural color facsimile

Color correction

358518, H04N 146, G03F 300

Patent

active

055283888

ABSTRACT:
Each color dot is displayed by three original color components. In each color dot, a brightness is calculated in accordance with brightness constants for the three original color components and three original color component data. In accordance with brightness calculated for dots to be displayed, the dots are grouped by the brightness and ranges for grouping of the dots. Among each grouped dots, data are equalized in each of the three original color component data to be stored in place of the three original color component data obtained by a scanner, a video camera, etc.

REFERENCES:
patent: 4602277 (1986-07-01), Guichard
patent: 4727425 (1988-02-01), Mayne et al.
patent: 4847677 (1989-07-01), Music et al.
patent: 5170152 (1992-12-01), Taylor
European Search Report.

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