Driver Drowsiness Estimation From EEG Signals Using Online Weighted Adaptation Regularization for Regression (OwARR)

Dongrui Wu, Lawhern Vernon J., Gordon Stephen, Lance Brent J, Chin-Teng Lin

Research output: Contribution to journalArticle

32 Scopus citations

Abstract

One big challenge that hinders the transition of brain-computer interfaces (BCIs) from laboratory settings to real-life applications is the availability of high-performance and robust learning algorithms that can effectively handle individual differences, i.e., algorithms that can be applied to a new subject with zero or very little subject-specific calibration data. Transfer learning and domain adaptation have been extensively used for this purpose. However, most previous works focused on classification problems. This paper considers an important regression problem in BCI, namely, online driver drowsiness estimation fromEEG signals. By integrating fuzzy sets with domain adaptation, we propose a novel online weighted adaptation regularization for regression (OwARR) algorithm to reduce the amount of subject-specific calibration data, and also a source domain selection (SDS) approach to save about half of the computational cost of OwARR. Using a simulated driving dataset with 15 subjects, we show that OwARR and OwARR-SDS can achieve significantly smaller estimation errors than several other approaches. We also provide comprehensive analyses on the robustness of OwARR and OwARR-SDS.
Original languageEnglish
Pages (from-to)1522-1535
Number of pages14
JournalIEEE Transactions on Fuzzy Systems
Volume25
Issue number6
DOIs
StatePublished - Dec 2017

Keywords

  • Brain-computer interface; domain adaptation (DA); EEG; ensemble learning; fuzzy sets (FSs); transfer learning (TL)

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