Calibration-Free Driver Drowsiness Classification based on Manifold-Level Augmentation

• URL: http://arxiv.org/abs/2212.13887v1
• Date: Wed, 14 Dec 2022 08:51:12 GMT
• Title: Calibration-Free Driver Drowsiness Classification based on Manifold-Level Augmentation
• Authors: Dong-Young Kim, Dong-Kyun Han, Hye-Bin Shin
• Abstract summary: Monitoring drivers' drowsiness levels by electroencephalogram (EEG) may prevent road accidents. calibration is required in advance because EEG signals vary between and within subjects. This paper proposes a calibration-free framework for driver drowsiness state classification using manifold-level augmentation.
• Score: 2.6248092118543567
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Drowsiness reduces concentration and increases response time, which causes fatal road accidents. Monitoring drivers' drowsiness levels by electroencephalogram (EEG) and taking action may prevent road accidents. EEG signals effectively monitor the driver's mental state as they can monitor brain dynamics. However, calibration is required in advance because EEG signals vary between and within subjects. Because of the inconvenience, calibration has reduced the accessibility of the brain-computer interface (BCI). Developing a generalized classification model is similar to domain generalization, which overcomes the domain shift problem. Especially data augmentation is frequently used. This paper proposes a calibration-free framework for driver drowsiness state classification using manifold-level augmentation. This framework increases the diversity of source domains by utilizing features. We experimented with various augmentation methods to improve the generalization performance. Based on the results of the experiments, we found that deeper models with smaller kernel sizes improved generalizability. In addition, applying an augmentation at the manifold-level resulted in an outstanding improvement. The framework demonstrated the capability for calibration-free BCI.

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