Adversarial Artifact Detection in EEG-Based Brain-Computer Interfaces
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2022
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| _version_ | 1866910719983747072 |
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| author | Chen, Xiaoqing Wu, Dongrui |
| author_facet | Chen, Xiaoqing Wu, Dongrui |
| contents | Machine learning has achieved great success in electroencephalogram (EEG) based brain-computer interfaces (BCIs). Most existing BCI research focused on improving its accuracy, but few had considered its security. Recent studies, however, have shown that EEG-based BCIs are vulnerable to adversarial attacks, where small perturbations added to the input can cause misclassification. Detection of adversarial examples is crucial to both the understanding of this phenomenon and the defense. This paper, for the first time, explores adversarial detection in EEG-based BCIs. Experiments on two EEG datasets using three convolutional neural networks were performed to verify the performances of multiple detection approaches. We showed that both white-box and black-box attacks can be detected, and the former are easier to detect. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2212_00727 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Adversarial Artifact Detection in EEG-Based Brain-Computer Interfaces Chen, Xiaoqing Wu, Dongrui Cryptography and Security Artificial Intelligence Human-Computer Interaction Machine Learning Signal Processing Machine learning has achieved great success in electroencephalogram (EEG) based brain-computer interfaces (BCIs). Most existing BCI research focused on improving its accuracy, but few had considered its security. Recent studies, however, have shown that EEG-based BCIs are vulnerable to adversarial attacks, where small perturbations added to the input can cause misclassification. Detection of adversarial examples is crucial to both the understanding of this phenomenon and the defense. This paper, for the first time, explores adversarial detection in EEG-based BCIs. Experiments on two EEG datasets using three convolutional neural networks were performed to verify the performances of multiple detection approaches. We showed that both white-box and black-box attacks can be detected, and the former are easier to detect. |
| title | Adversarial Artifact Detection in EEG-Based Brain-Computer Interfaces |
| topic | Cryptography and Security Artificial Intelligence Human-Computer Interaction Machine Learning Signal Processing |
| url | https://arxiv.org/abs/2212.00727 |