Method and system for improved tone and color reproduction of electronic image on hard copy using a closed loop control
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United States of America Patent
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-
Sep 6, 1994
Issued Date -
N/A
app pub date -
Mar 20, 1992
filing date -
Nov 23, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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