Estimating time course of peak frequency and median frequency along the spectrograms of uterine EMG records

Report is available here.

• WFDB Software Package

Download the Term-Preterm EHG Database [1] and Sample Entropy Estimation Toolkit [3] from PhysioNet [3]

$ cd data
$ wget -r -N -c -np https://physionet.org/files/tpehgdb/1.0.1/
$ wget -r -N -c -np wget -r -N -c -np https://physionet.org/files/sampen/1.0.0/

Convert database to MATLAB format

$ ./convert2mat.sh

[1] Gašper Fele-Žorž, Gorazd Kavšek, Živa Novak-Antolič and Franc Jager. A comparison of various linear and non-linear signal processing techniques to separate uterine EMG records of term and pre-term delivery groups. Medical & Biological Engineering & Computing, 46(9):911-922 (2008).

[2] Goldberger, A., Amaral, L., Glass, L., Hausdorff, J., Ivanov, P. C., Mark, R., ... & Stanley, H. E. (2000). PhysioBank, PhysioToolkit, and PhysioNet: Components of a new research resource for complex physiologic signals. Circulation [Online]. 101 (23), pp. e215–e220.

[3] Lake, D. E., J. S. Richman, M. P. Griffin, and J. R. Moorman. Sample entropy analysis of neonatal heart rate variability. Am J Physiol 2002; 283(3):R789-R797;