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Volume: 1 | Article ID: art00022
Integrating Scanners into Color Systems
  DOI :  10.2352/CIC.1993.1.1.art00022  Published OnlineJanuary 1993

In many color systems, all hope of controlled results vanishes at the scanner. It may be surprising to realize that there is still no one, universally accepted, method for designing a practical scanner's spectral sensitivities and related calibration method to provide colorimetrically accurate outputs for a device-independent result. Indeed, even the correct number of separate color channels to use in a practical scanner is an open question. At least 3 channels are needed for full-color, more are usually agreed to be a help. The various approaches are reviewed.

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Paul G. Roetling, "Integrating Scanners into Color Systemsin Proc. IS&T 1st Color and Imaging Conf.,  1993,  pp 92 - 94,

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