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Volume: 18 | Article ID: art00029_2
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A Comparative Study on Analog and Digital Printing Systems Performances
  DOI :  10.2352/ISSN.2169-4451.2002.18.1.art00029_2  Published OnlineJanuary 2002
Abstract

Our work consists in a comparison of various printing systems: offset lithography, analog Matchprint proofing, Rainbow sublimation proofing, Epson 5000 inkjet printing, Docucolor 2045 digital printing.Several paper grades were used (mainly matt and glossy coated papers). With the offset process as a reference, the goal was to characterize print rendering for each printing technique by means of colorimetric and densitometric quality parameters. In the first class, we find:- color gamut volumes, in order to decide whether (and to which extent) the standard quadrichromic offset process reproducible colors are included within the borders of the other gamuts or not,- color L*a*b* coordinates associated to primaries and to their combinations and corresponding to the same CMYK set of values in the original computer file.The densitometric measurements were : solid density, dot gain, and relative contrast index.With the help of a novel method, we can exploit the whole necessary set of informations to automatically calculate all the above figures from experimental data using an IT8-7.3 test chart. This leads to a possibility to classify printing systems at least qualitatively: the results show the offset paper has the smallest performance of all the tested systems.

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Jean-Pierre Gervasoni, Eliane Rousset, Gerard Baudin, "A Comparative Study on Analog and Digital Printing Systems Performancesin Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP18),  2002,  pp 549 - 553,  https://doi.org/10.2352/ISSN.2169-4451.2002.18.1.art00029_2

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