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Although the exact procedure may vary from product to product, the calibration process generally involves using the instrument to test samples of one or more known values called âcalibrators.â The results are used to establish a relationship between the measurement technique used by the instrument and the known values.
In non-ICC workflows, calibration refers sometimes to establishing a known relationship to a standard color space in one go. The device that is to be calibrated is sometimes known as a calibration source; the color space that serves as a standard is sometimes known as a calibration target. Color calibration is a requirement for all devices taking an active part of a color-managed workflow.