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NeuroIDBench is an open-source benchmark tool developed to assist researchers in evaluating brainwave-based authentication approaches. It incorporates nine diverse public datasets, implements a comprehensive set of pre-processing parameters and machine learning algorithms, and enables testing under known and unknown attacker models.
The authors use NeuroIDBench to build a comprehensive benchmark of popular brainwave-based authentication algorithms, including shallow classifiers (SVM, Random Forest, KNN, LDA, Naive Bayes, Logistic Regression) and a deep learning-based approach (Twin Neural Networks).
The results show that Random Forest consistently outperforms other shallow classifiers, and its performance is comparable to that of Twin Neural Networks. The authors recommend more research on deep learning-based approaches, which offer better performance and scalability advantages.
The analysis reveals a significant performance degradation when moving from known to unknown attacker scenarios, underscoring the need to evaluate brainwave authentication solutions under more realistic unknown attacker conditions.
Variations in performance across datasets confirm that brainwave-based authentication algorithms validated on single datasets are not representative, highlighting the need for more robust validation in the community.
The observed disparities in results for single-session versus multi-session authentication reveal a substantial gap that requires future research in this area.
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