Image analysis – Image enhancement or restoration – Intensity – brightness – contrast – or shading correction
Patent
1996-12-10
1999-03-16
Couso, Jose L.
Image analysis
Image enhancement or restoration
Intensity, brightness, contrast, or shading correction
382131, 382132, 382133, 382134, 382158, 382167, 382169, 382237, 382300, 36446801, 36455102, 348441, 358518, 358523, 345 20, 345 63, 345 77, 345147, G06K 940
Patent
active
058839852
ABSTRACT:
To transmit images over a network between an imager and one of several reproduction devices, an correction function is determined which adjusts the image to produce optimal reproductions from the selected device. To derive the correction function, a test pattern image with different gray scale regions is sent to and reproduced by each reproduction device. The optical density of each region in the reproduced test pattern images is measured and employed to derive the correction function. Thereafter, when a image is sent over the network, the correction function for the recipient reproduction device is applied to produce a corrected image which is sent over the network.
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patent: 5600574 (1997-02-01), Reitan
patent: 5630101 (1997-05-01), Sieffert
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Couso Jose L.
General Electric Company
Patel Kanji
LandOfFree
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