Method and system for improved tone and color reproduction of el

Details Method and system for improved tone and color reproduction of el Method and system for improved tone and color reproduction of el

1992-03-20

1994-09-06

Rogers, Scott A.

Facsimile and static presentation processing

Facsimile

Facsimile measuring, testing, or calibrating

358455, 358504, 358521, 358527, 358300, H04N 123, H04N 140, H04N 146

Patent

active

053453158

ABSTRACT:
A hard copy reproduction is formed of a video image which is an accurate reproduction of the tonal luminance differences and color of the video image. A gray scale and color test image is formed on the video monitor screen and measured using a photometer. The gray scale and color test image is reproduced on hard copy and may be measured using a densitometer. The two sets of measurements are entered into a computer system and used to adjust, on a pixel-by-pixel basis, the electronic controls of the hard color reproduction system to compensate for any deviations from accurate reproduction.

REFERENCES:
patent: 4568975 (1986-02-01), Harshbarger
patent: 4766503 (1988-10-01), Lambert
patent: 4779106 (1988-10-01), Mills
patent: 4794460 (1988-12-01), Shiota
patent: 4875032 (1989-10-01), McManus et al.
patent: 4929978 (1990-05-01), Kanamori et al.
patent: 4939581 (1990-07-01), Shalit

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