Comparison of different feature extraction methods for the analysis of uterine magnetomyography signals to predict term labor

 
 
 
  • Abstract
  • Keywords
  • References
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  • Abstract


    The prediction of term labor by analyzing the uterine magnetomyographic signals attempted in this research. The existing works did not focus on the classification of the signals. Publicly available MIT-BIH database records were divided into term-labor and term-nonlabor groups. This research presents two methods for feature extraction, discrete wavelet transform and wavelet packet transform. Energy, standard deviation, variance, entropy and waveform length of transform coefficients used in the first method. The normalized logarithmic energy of wavelet coefficients from each packet of the total wavelet packet tree used as the feature space for the second method. The labor assessment done through the classification of the features by using five different classifiers for different mother wavelet families. Discrete wavelet transform features extracted using coif5 wavelet with random subspace classification gives the accuracy, precision and FPrates of 93.9286%, 94.2014% and 5.7986% respectively. Using sym8 wavelet for wavelet packet transform features classified with SVM classifier performed well with 95.8763% accuracy, 95.9719% precision and 4.0281% FPrate. The results obtained from the research will be helpful in term labor assessment and understanding the parturition process.

     

     


  • Keywords


    Discrete Wavelet Transform; Labor Prediction; Uterine Magnetomyography; Wavelet Packet Transform.

  • References


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Article ID: 18449
 
DOI: 10.14419/ijet.v7i3.29.18449




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