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Study of pigment and optical response distributions in newsprint
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS).
Halmstad University, School of Information Technology.
Halmstad University, School of Information Technology.
1998 (English)In: 1998 proceedings - Technical Association of the Graphic Arts, TAGA, Rochester, NY, 1998, p. 737-748Conference paper, Published paper (Refereed)
Abstract [en]

The quality of the printed screen dots is one of the critical factors that determine the over all quality of a printed halftone image. In this paper the spatial distribution of pigment is recorded and its relation to optical response and local paper grammage in printed screen dots on newsprint is analyzed. It is shown that light scattering inside the paper structure to some extent hide large irregularities in the pigment distribution. It is also shown that a hole in a screen dot will be optical mitigate by the paper structure as a result of multiple light scattering inside the bulk. We also show experimentally the hue shift in the border zone of the screen dot. A halo of light around the pigment area, which shifts from cyan towards green, has been determined around a cyan screen dot. Influence from the cyan pigment can be spotted in the optical response up to a distance of at least 20 ÎŒm from the measured pigment particle.

Place, publisher, year, edition, pages
Rochester, NY, 1998. p. 737-748
Keywords [en]
Cameras, Charge coupled devices, Color, Image quality, Light scattering, Pigments, Screen printing, Optical response, Newsprint
National Category
Media Engineering
Identifiers
URN: urn:nbn:se:hh:diva-40874Scopus ID: 2-s2.0-0032311569OAI: oai:DiVA.org:hh-40874DiVA, id: diva2:1392735
Conference
Conference of the 1998 Technical Association of the Graphic Arts, (TAGA 1998), Chicago, USA, April 26-29, 1998
Available from: 2020-02-10 Created: 2020-02-10 Last updated: 2020-02-10

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Carlsson, Jörgen

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf