Wavelet-Based Multi-Class Seizure Type Classification System

• URL: http://arxiv.org/abs/2203.00511v1
• Date: Sat, 19 Feb 2022 23:58:01 GMT
• Title: Wavelet-Based Multi-Class Seizure Type Classification System
• Authors: Hezam Albaqami, Ghulam Mubashar Hassan, Amitava Datta
• Abstract summary: This paper presents a novel technique that involves extraction of specific features from EEG signals using Dual-tree Complex Wavelet Transform (DTCWT) and classifying them. Our proposed technique achieved the best results of weighted F1-score of 99.1% and 74.7% for seizure-wise and patient-wise classification respectively.
• Score: 2.1915057426589746
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Epilepsy is one of the most common brain diseases that affect more than 1\% of the world's population. It is characterized by recurrent seizures, which come in different types and are treated differently. Electroencephalography (EEG) is commonly used in medical services to diagnose seizures and their types. The accurate identification of seizures helps to provide optimal treatment and accurate information to the patient. However, the manual diagnostic procedures of epileptic seizures are laborious and highly-specialized. Moreover, EEG manual evaluation is a process known to have a low inter-rater agreement among experts. This paper presents a novel automatic technique that involves extraction of specific features from EEG signals using Dual-tree Complex Wavelet Transform (DTCWT) and classifying them. We evaluated the proposed technique on TUH EEG Seizure Corpus (TUSZ) ver.1.5.2 dataset and compared the performance with existing state-of-the-art techniques using overall F1-score due to class imbalance seizure types. Our proposed technique achieved the best results of weighted F1-score of 99.1\% and 74.7\% for seizure-wise and patient-wise classification respectively, thereby setting new benchmark results for this dataset.

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