Kernel principal component analysis
Advances in kernel methods
Automatic seizure detection based on time-frequency analysis and artificial neural networks
Computational Intelligence and Neuroscience - Regular issue
Epileptic seizure detection in EEGs using time-frequency analysis
IEEE Transactions on Information Technology in Biomedicine - Special section on computational intelligence in medical systems
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In this paper, an effective approach is presented to classify epileptic patients from control participants by analyzing their electroencephalogram (EEG) signals. For this aim, first, several time-frequency transforms were applied to five scalp EEG datasets in order to extract discriminant features. Regarding high number of channels and features, kernel-principal-component-analysis (KPCA) was utilized to reduce the feature size in order to decrease the complexity. Then, the projected features were fed to an artificial neural network (ANN) to classify the subjects. The achieved results show that our scheme is capable of classifying normal and epileptic subjects up to 92% and 93% accuracies, respectively.