Diffuse to fuse EEG spectra – Intrinsic geometry of sleep dynamics for classification

Gi Ren Liu, Yu Lun Lo, John Malik, Yuan Chung Sheu, Hau Tieng Wu

研究成果: Article

摘要

We propose a novel algorithm for sleep dynamics visualization and automatic annotation by applying diffusion geometry based sensor fusion algorithm to fuse spectral information from two electroencephalograms (EEG). The diffusion geometry approach helps organize the nonlinear dynamical structure hidden in the EEG signal. The visualization is achieved by the nonlinear dimension reduction capability of the chosen diffusion geometry algorithms. For the automatic annotation purpose, the support vector machine is trained to predict the sleep stage. The prediction performance is validated on a publicly available benchmark database, Physionet Sleep-EDF [extended] SC* (SC = Sleep Cassette) and ST* (ST = Sleep Telemetry), with the leave-one-subject-out cross validation. When we have a single EEG channel (Fpz-Cz), the overall accuracy, macro F1 and Cohen's kappa achieve 82.72%, 75.91% and 76.1% respectively in Sleep-EDF SC* and 78.63%, 73.58% and 69.48% in Sleep-EDF ST*. This performance is compatible with the state-of-the-art results. When we have two EEG channels (Fpz-Cz and Pz-Oz), the overall accuracy, macro F1 and Cohen's kappa achieve 84.44%, 78.25% and 78.36% respectively in Sleep-EDF SC* and 79.05%, 74.73% and 70.31% in Sleep-EDF ST*. The results suggest the potential of the proposed algorithm in practical applications.

原文English
文章編號101576
期刊Biomedical Signal Processing and Control
55
DOIs
出版狀態Published - 2020 一月

指紋

Electric fuses
Electroencephalography
Sleep
Geometry
Telemetry
Telemetering
Macros
Visualization
Benchmarking
Sleep Stages
Support vector machines
Fusion reactions
Databases

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Health Informatics

引用此文

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abstract = "We propose a novel algorithm for sleep dynamics visualization and automatic annotation by applying diffusion geometry based sensor fusion algorithm to fuse spectral information from two electroencephalograms (EEG). The diffusion geometry approach helps organize the nonlinear dynamical structure hidden in the EEG signal. The visualization is achieved by the nonlinear dimension reduction capability of the chosen diffusion geometry algorithms. For the automatic annotation purpose, the support vector machine is trained to predict the sleep stage. The prediction performance is validated on a publicly available benchmark database, Physionet Sleep-EDF [extended] SC* (SC = Sleep Cassette) and ST* (ST = Sleep Telemetry), with the leave-one-subject-out cross validation. When we have a single EEG channel (Fpz-Cz), the overall accuracy, macro F1 and Cohen's kappa achieve 82.72{\%}, 75.91{\%} and 76.1{\%} respectively in Sleep-EDF SC* and 78.63{\%}, 73.58{\%} and 69.48{\%} in Sleep-EDF ST*. This performance is compatible with the state-of-the-art results. When we have two EEG channels (Fpz-Cz and Pz-Oz), the overall accuracy, macro F1 and Cohen's kappa achieve 84.44{\%}, 78.25{\%} and 78.36{\%} respectively in Sleep-EDF SC* and 79.05{\%}, 74.73{\%} and 70.31{\%} in Sleep-EDF ST*. The results suggest the potential of the proposed algorithm in practical applications.",
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Diffuse to fuse EEG spectra – Intrinsic geometry of sleep dynamics for classification. / Liu, Gi Ren; Lo, Yu Lun; Malik, John; Sheu, Yuan Chung; Wu, Hau Tieng.

於: Biomedical Signal Processing and Control, 卷 55, 101576, 01.2020.

研究成果: Article

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