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Nordic Pulp & Paper Research Journal

The international research journal on sustainable utilization of forest bioresources

Editor-in-Chief: Lindström, Tom

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Volume 33, Issue 3


Edge spread function for the paper-ink system

Katarina Itrić / Damir Modrić / Marin Milković
Published Online: 2018-08-03 | DOI: https://doi.org/10.1515/npprj-2018-3054


The importance of accurate identification of the edge spread function for the paper-ink system is closely related with the possibility of separating mechanical and optical dot gain. Our approach is based on the precise fit of the edge spread function, ESF. Namely, all of the research so far incorporates symmetric ESF, in contrast to the research reported so far, in which only the symmetric ESF has been considered¸ which is not realistic, due to the presence of dot gain. This approach, based on image analysis, allows us to identify uniquely the domain of impact of each contribution. Six different paper-ink systems are analyzed and discussed, and all of them show a satisfactory correlation with the proposed model.

Keywords: bidose function; dot gain; ESF; LSF


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About the article

Received: 2018-04-03

Accepted: 2018-06-08

Published Online: 2018-08-03

Published in Print: 2018-09-25

Conflict of interest: The authors declare no conflict of interest.

Citation Information: Nordic Pulp & Paper Research Journal, Volume 33, Issue 3, Pages 542–547, ISSN (Online) 2000-0669, ISSN (Print) 0283-2631, DOI: https://doi.org/10.1515/npprj-2018-3054.

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