The detailed 3D structure of paper was revealed applying both high and low resolution X-ray microtomography. The qualityof the two techniques with respect to resolution and volume size was compared by measuring various structural andtransport properties of the digital volumes.
Holmstad, R., Aaltosalmi, U., Ramaswamy, S., Kataja, M., Koponen, A., Goel, A., & Gregersen, Ø. (2005). Comparison of 3D structural characteristics of high and low resolution X-ray microtomographic images of paper. Nordic Pulp and Paper Research Journal, 20(3), 283 - 288. https://doi.org/10.3183/NPPRJ-2005-20-03-p283-288