Accurate identification of waveform of evoked potentials by component decomposition using discrete cosine transform modeling. Other Scholarly Work

Bai, O, Nakamura, M, Kanda, M et al. (2001). Accurate identification of waveform of evoked potentials by component decomposition using discrete cosine transform modeling. . 23(9), 615-622. 10.1016/s1350-4533(01)00095-9

cited authors

  • Bai, O; Nakamura, M; Kanda, M; Nagamine, T; Shibasaki, H

fiu authors

abstract

  • This study introduces a method for accurate identification of the waveform of the evoked potentials by decomposing the component responses. The decomposition was achieved by zero-pole modeling of the evoked potentials in the discrete cosine transform (DCT) domain. It was found that the DCT coefficients of a component response in the evoked potentials could be modeled sufficiently by a second order transfer function in the DCT domain. The decomposition of the component responses was approached by using partial expansion of the estimated model for the evoked potentials, and the effectiveness of the decomposition method was evaluated both qualitatively and quantitatively. Because of the overlap of the different component responses, the proposed method enables an accurate identification of the evoked potentials, which is useful for clinical and neurophysiological investigations.

publication date

  • November 1, 2001

keywords

  • Adolescent
  • Adult
  • Electroencephalography
  • Evoked Potentials, Somatosensory
  • Humans
  • Models, Theoretical
  • Pain
  • Signal Processing, Computer-Assisted

Digital Object Identifier (DOI)

Medium

  • Print

start page

  • 615

end page

  • 622

volume

  • 23

issue

  • 9