Gustatory stimulus-based electroencephalogram signal classification Online publication date: Tue, 04-Jan-2022
by Kalyana Sundaram Chandran; Marichamy Perumalsamy
International Journal of Biomedical Engineering and Technology (IJBET), Vol. 37, No. 3, 2021
Abstract: Brain computer interface (BCI) gives a prompt correspondence between human brain and personal computer (PC) and makes an interpretation for controlling the outside gadgets. Taste composition (TASCO)-based EEG signal classification is used to differentiate normogeusia and hypogeusia. EEG signal of TASCO is pre-processed by utilising FIR band pass channel to mitigate the artefacts of noise. In this proposed work, the discrete wavelet transform (DWT) is used as the feature extraction method. DWT breaks down the separated EEG signal into its related frequency bands and the measurable features of the detailed coefficient of the alpha wave are analysed in time domain. The extracted features like mean absolute value (MAV) and variance are classified using a multilayer perceptron neural network classifier which provides high accuracy. In this paper, sour TASCO is analysed to identify the gall bladder problem in a human and improve the accuracy of the system as much as 95% compared to conventional methods.
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