Color difference model for estimating real perceived print through

M.O.A. Mäkinen, Juha Happonen, J. Sahivirta, Timo Hartus, J. Paltakari, Timo Jääskeläinen, J. Parkkinen

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    Most optical standards of the paper industry take into account only lightness of the object and ignore hue and saturation. This may be adequate for evaluating black print and white paper, but it is not for coloured prints or papers. Recently, it was found that, unlike standard definitions of opacity, a colour difference model is able to predict the perceived covering ability of a sheet of paper satisfactorily, regardless of the colour of the paper or of the print. In this paper, we propose a similar method for estimating the perceived effect of print-through. The method is not only applicable for predicting how strongly print is seen from the reverse side of the paper, but it is also possible to separate the effect of the penetration of the ink or its components from the imperfect covering ability of the sheet. In addition, for some printing methods, it is possible to calculate a rough estimate of the penetration depth of the ink.
    Original languageEnglish
    Pages (from-to)35-43
    JournalJournal of Pulp and Paper Science
    Volume33
    Issue number1
    Publication statusPublished - 2007
    MoE publication typeA1 Journal article-refereed

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