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Some Ideas on Models and Methods for Light Scattering in Paper
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics. (DPC - Digital printing center)ORCID iD: 0000-0002-0529-1009
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics.
Responsible organisation
2001 (English)Report (Other academic)
Abstract [en]

In this report a short overview is given on existing models for simulating light scattering in paper. The well known Kubelka-Munk model somewhat oversimplifies the problem. Newer discrete ordinate models take into account more aspects, e.g. angle resolved scattering, but have intrinsic ill-conditioned problems that have to be overcome. No existing models are designed to solve the inverse problem, i.e. finding model parameters given real light scattering measurements. Therefore we propose a Stable Multilayer Discrete Ordinate Radiative Transfer model, SM-DORT, to simulate the scattering of light in coated paper and similar structures, and to solve the corresponding inverse problem. We discuss improvements of existing models, for making SM-DORT stable to give reliable results in spite of intrinsic ill-conditioned problems, and for making it fast to efficiently solve the inverse problem. In this report we also cover some aspects of inverse problems in general, we give some ideas on further model improvement to take into account more aspects of light scattering in paper, and we discuss model validation, using experiments and existing models.

Place, publisher, year, edition, pages
2001.
Series
FSCN report (internal FSCN Report Number: R-01-10), Mid Sweden University 2001
Keyword [en]
light scattering, radiative transfer, inverse problems
National Category
Mathematics
Identifiers
URN: urn:nbn:se:miun:diva-5531Local ID: 492OAI: oai:DiVA.org:miun-5531DiVA: diva2:30564
Available from: 2008-09-30 Created: 2009-07-30Bibliographically approved

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  • apa
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  • nn-NO
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