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Power distribution analysis of cutaneous electrogastrography using discrete wavelet transform

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6 Author(s)
Han-Chang Wu ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Kuang-Ching Wang ; Ya-Wen Chang ; Full-Young Chang
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The electrogastrography (EGG) is considered more and more important due to its noninvasive measurement. Some parameters have been used to assess the EGG signals and the short term Fourier transform was the most commonly used tool to evaluate these parameters. However FFT is used to analyze stationary signals, while non-stationary signals such as EGG may be distorted. A new method based on discrete wavelet transform was achieved to analyze the power distribution of the EGG signals

Published in:

Engineering in Medicine and Biology Society, 1998. Proceedings of the 20th Annual International Conference of the IEEE  (Volume:6 )

Date of Conference:

29 Oct-1 Nov 1998