Automatic color processing to correct hue shift and incorrect ex

Details Automatic color processing to correct hue shift and incorrect ex Automatic color processing to correct hue shift and incorrect ex

1995-08-30

1998-09-22

Coles, Sr., Edward L.

Facsimile and static presentation processing

Natural color facsimile

Color correction

358520, 358522, 382273, 382274, G03F 308

Patent

active

058122869

ABSTRACT:
A digital color processing method for images from scanners and digital cameras processes image data suitable for display on monitors or color hardcopies produced by digital color printers and correct hue shift and incorrect exposure based on the image content. The method automatically corrects the data based on the histogram of the acquired image normalizing the image data to correct for the hue shift and determining the gamma parameter to correct the exposure of the image.

REFERENCES:
patent: 5265200 (1993-11-01), Edgar
patent: 5317426 (1994-05-01), Hoshino
patent: 5347374 (1994-09-01), Fuss et al.
patent: 5414538 (1995-05-01), Eschbach
patent: 5450502 (1995-09-01), Eschbach

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