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Cited by 656

The DOI matches its Crossref record; 60 of the 60 references it cites were found in a registry or an index.

Image processing of multiphase images obtained via X‐ray microtomography: A review

Schlüter, Steffen, Sheppard, Adrian, Brown, Kendra, Wildenschild, Dorthe·2014·Water Resources Research

Abstract

Easier access to X‐ray microtomography (μCT) facilities has provided much new insight from high‐resolution imaging for various problems in porous media research. Pore space analysis with respect to functional properties usually requires segmentation of the intensity data into different classes. Image segmentation is a nontrivial problem that may have a profound impact on all subsequent image analyses. This review deals with two issues that are neglected in most of the recent studies on image segmentation: (i) focus on multiclass segmentation and (ii) detailed descriptions as to why a specific method may fail together with strategies for preventing the failure by applying suitable image enhancement prior to segmentation. In this way, the presented algorithms become very robust and are less prone to operator bias. Three different test images are examined: a synthetic image with ground‐truth information, a synchrotron image of precision beads with three different fluids residing in the pore space, and a μCT image of a soil sample containing macropores, rocks, organic matter, and the soil matrix. Image blur is identified as the major cause for poor segmentation results. Other impairments of the raw data like noise, ring artifacts, and intensity variation can be removed with current image enhancement methods. Bayesian Markov random field segmentation, watershed segmentation, and converging active contours are well suited for multiclass segmentation, yet with different success to correct for partial volume effects and conserve small image features simultaneously.

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Crossref · 10.1002/2014wr015256

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Metadata

Authors
Schlüter, S., Sheppard, A., Brown, K., & Wildenschild, D.
Venue
Water Resources Research
Published
2014-04
Volume
50
Issue
4
Pages
3615-3639
ISSN
  • 0043-1397 (ISSN-L)
  • 1944-7973
OpenAlex
W2014988088
Cited by
656
References
60
FWCI
36.79
Type
journal article
Language
en
Open access
closed

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