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Volume: 28 | Article ID: art00071_2
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Application of Wet Image Analysis on Recycled Paper Ink Elimination Evaluation
  DOI :  10.2352/ISSN.2169-4451.2012.28.1.art00071_2  Published OnlineJanuary 2012
Abstract

This paper introduces a new image analysis approach to determine ink elimination using scanning high-resolution scanning image acquisition combined with innovation specimen preparation. Saturating white fiber in handsheets with water turns fiber translucent [1]; hence, the trapped ink specks become visible through the entire thickness of the handsheet. Thus, it is possible to obtain extra and accurate speck information with the same image analysis settings. Two-side scanning also becomes unnecessary with proper set-up. Furthermore, the increased scanning resolution and rewetting not only detect smaller specks, but also eliminate the negative effect from the uneven surface, such as holes and even wrinkles. The result has positive relation with handsheet optical properties. More importantly, with a concept of ink elimination rate, it provides a reliable deinking predication compared with the limitations of the ERIC method.

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Roland Gong, Paul D. Fleming, Roy Rosenberger, "Application of Wet Image Analysis on Recycled Paper Ink Elimination Evaluationin Proc. IS&T Int'l Conf. on Digital Printing Technologies and Digital Fabrication (NIP28),  2012,  pp 543 - 546,  https://doi.org/10.2352/ISSN.2169-4451.2012.28.1.art00071_2

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