Emotion identification by dynamic entropy and ensemble learning from electroencephalogram signals

• Published in: International journal of imaging systems and technology Vol. 32; no. 1; pp. 402 - 413
• Main Authors: Ashokkumar, S. R., Anupallavi, S., MohanBabu, G., Premkumar, M., Jeevanantham, V.
• Format: Journal Article
• Language: English
• Published: Hoboken, USA John Wiley & Sons, Inc 01.01.2022; Wiley Subscription Services, Inc
• Subjects: dynamic entropy; EEG; Electroencephalography; emotion; Emotion recognition; Emotions; Ensemble learning; Entropy; recurrent neural network; Recurrent neural networks
• ISSN: 0899-9457; 1098-1098
• DOI: 10.1002/ima.22670

Emotions are biologically based psychological states brought on by neurophysiologic changes, variously associated with thoughts, feelings, behavioral responses, and a degree of pleasure or displeasure. In order to assure active collaboration and trigger appropriate emotional input, accurate identification of human emotions is important. Poor generalization capacity induced by individual variations in emotion perceptions is indeed a concern in the current methods of emotion recognition. This work proposes a new dynamic pattern learning system based on entropy to allow electroencephalogram (EEG) signals for subject‐independent emotion recognition with strong generalization and classification through Recurrent Neural Network and Ensemble learning. First, dynamic entropy measurements are used to derive consecutive entropy values over time from EEG signals in quantitative EEG calculations. Experiment findings indicate that in order to distinguish negative and positive emotions, the highest average accuracy of 94.67% is achieved. In addition, the findings have completely shown that this approach produces outstanding performance for emotion detection across individuals relative to recent studies.