Journal ArticleDOI
Analysis of Fluctuations of Uterine Contractions in Preterm Pregnancies using Adaptive Fractal Features of Electromyography Signals
TLDR
It appears that the proposed features could aid in determining the changes in uterine muscle contractions in Preterm condition as early diagnosis of premature delivery is imperative for timely medical intervention and treatment.Abstract:
Analysis of fluctuations of uterine contractions under varied gestational ages is clinically significant. In this work, fluctuations associated with Preterm pregnancies are analyzed. For this, uter...read more
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Journal ArticleDOI
PhysioBank, PhysioToolkit, and PhysioNet: components of a new research resource for complex physiologic signals.
Ary L. Goldberger,Luís A. Nunes Amaral,Leon Glass,Jeffrey M. Hausdorff,Plamen Ch. Ivanov,Roger G. Mark,Joseph E. Mietus,George B. Moody,Chung-Kang Peng,H. Eugene Stanley +9 more
TL;DR: The newly inaugurated Research Resource for Complex Physiologic Signals (RRSPS) as mentioned in this paper was created under the auspices of the National Center for Research Resources (NCR Resources).
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Effect of nonstationarities on detrended fluctuation analysis.
TL;DR: In this article, the effects of three types of non-stationarities often encountered in real data were studied. And the authors compared the difference between the scaling results obtained for stationary correlated signals and correlated signals with these three types and showed how the characteristics of these crossovers depend on the fraction and size of the parts cut out from the signal, the concentration of spikes and their amplitudes.
Journal ArticleDOI
Altered fractal dynamics of gait: reduced stride-interval correlations with aging and Huntington’s disease
Jeffrey M. Hausdorff,Susan L. Mitchell,Renée Firtion,Chung-Kang Peng,Merit Cudkowicz,Jeanne Y. Wei,Ary L. Goldberger,Ary L. Goldberger +7 more
TL;DR: It is demonstrated that strike-interval fluctuations are more random (i.e., less correlated) in elderly subjects and in subjects with Huntington's disease, which are apparently associated with changes in central nervous system control.
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Introduction to Multifractal Detrended Fluctuation Analysis in Matlab
TL;DR: The main aim of the tutorial is to give the reader a simple self-sustained guide to the implementation of MFDFA and interpretation of the resulting multifractal spectra.
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A comparison of various linear and non-linear signal processing techniques to separate uterine EMG records of term and pre-term delivery groups
TL;DR: Various linear and non-linear signal-processing techniques were applied to three-channel uterine EMG records to separate term and pre-term deliveries, showing noticeable differences between term delivery records recorded before and after the 26th week.