Deep fusion of multi-channel neurophysiological signal for emotion recognition and monitoring
by Xiang Li; Dawei Song; Peng Zhang; Yuexian Hou; Bin Hu
International Journal of Data Mining and Bioinformatics (IJDMB), Vol. 18, No. 1, 2017

Abstract: How to fuse multi-channel neurophysiological signals for emotion recognition is emerging as a hot research topic in community of Computational Psychophysiology. Nevertheless, prior feature engineering based approaches require extracting various domain knowledge related features at a high time cost. Moreover, traditional fusion method cannot fully utilise correlation information between different channels and frequency components. In this paper, we design a hybrid deep learning model, in which the 'Convolutional Neural Network (CNN)' is utilised for extracting task-related features, as well as mining inter-channel and inter-frequency correlation, besides, the 'Recurrent Neural Network (RNN)' is concatenated for integrating contextual information from the frame cube sequence. Experiments are carried out in a trial-level emotion recognition task, on the DEAP benchmarking dataset. Experimental results demonstrate that the proposed framework outperforms the classical methods, with regard to both of the emotional dimensions of Valence and Arousal.

Online publication date: Thu, 24-Aug-2017

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