Process and target for calibration of digital input devices
AssigneeTrue Color Technology GmbH
InventorsClemens Beisch, Stefan Steib
Life of this patent
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Abstract
The invention is about a process to calibrate digital input devices, especially scanners and digital cameras. An input device reads a calibration picture and an adjustment of color values is made. This is defined through the usage of a calibration picture that shows only normed, printable colors. The invention is also about a calibration target.
Claims8
A target for calibration of digital input devices comprising a plurality of colored fields, wherein the colored fields are printed by a subtractive multicolor printing process by means of frequency modulated screening.
A method for manufacturing a calibration target for the calibration of digital input devices, comprising printing the colored fields on the calibration target by a subtractive multicolor printing process by means of frequency modulated screening in a large series production.
Dependencies are inferred from the claim text.