Pattern Analysis and Applications

, Volume 13, Issue 2, pp 159–172 | Cite as

3D pore structure characterisation of paper

  • Maria Axelsson
  • Stina Svensson


Pore structure characterisation of paper, using automated image analysis methods, has previously been performed in two-dimensional images. Three dimensional (3D) images have become available and thereby new representations and corresponding measurements are needed for 3D pore structure characterisation. In this article, we present a new pore structure representation, the individual pore-based skeleton, and new quantitative measurements for individual pores in 3D, such as surface area, orientation, anisotropy, and size distributions. We also present measurements for network relations, like tortuosity and connectivity. The data used to illustrate the pore structure representations and corresponding measurements are high resolution X-ray microtomography volume images of a layered duplex board imaged at the European Synchrotron Radiation Facility (ESRF). Quantification of the pore structure is exemplified and the results show that differences in pore structure between the layers in the cardboard can be characterised using the presented methods.


Image analysis 3D Volume images Microstructure Characterisation Pore structure representation Individual pores X-ray microtomography 



Financial support and volume image data from the ESRF Long Term project ME-704 are gratefully acknowledged. Prof. Gunilla Borgefors at the Centre for Image Analysis and Dr. Per Nygård at the Paper and Fibre Research Institute (PFI) are acknowledged for their scientific support.


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Copyright information

© Springer-Verlag London Limited 2009

Authors and Affiliations

  1. 1.Centre for Image AnalysisSwedish University of Agricultural SciencesUppsalaSweden

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