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Computational and Mathematical Methods in Medicine
Volume 2013, Article ID 152828, 9 pages
Research Article

Coarse-Grained Multifractality Analysis Based on Structure Function Measurements to Discriminate Healthy from Distressed Foetuses

1University of Mouloud Mammeri, Tizi-Ouzou, Algeria
2Signal & Imaging Group, University François Rabelais of Tours, UMR INSERM U930, PRES Loire Valley University, 7 Avenue Marcel Dassault, 37200 Tours, Cedex, France

Received 28 June 2013; Revised 6 November 2013; Accepted 22 November 2013

Academic Editor: Catherine Marque

Copyright © 2013 Souad Oudjemia et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper proposes a combined coarse-grained multifractal method to discriminate between distressed and normal foetuses. The coarse-graining operation was performed by means of a coarse-grained procedure and the multifractal operation was based on a structure function. The proposed method was evaluated by one hundred recordings including eighty normal foetuses and twenty distressed foetuses. We found that it was possible to discriminate between distressed and normal foetuses using the Hurst exponent, singularity, and Holder spectra.