An experimental study on electrocardiography toward emotion recognition. Wang, B. & Lui, G., Y. 6th International Conference on Fuzzy Systems and Knowledge Discovery, FSKD 2009, 1(2):104-108, 2009.
An experimental study on electrocardiography toward emotion recognition [pdf]Paper  abstract   bibtex   
Emotion recognition is becoming an increasingly important field for human affective computing. This paper presented a method of emotion recognition using electrocardiography (ECG) signal obtained from multiple subjects. ECG signals were collected when film clips shown to subjects. Through denoising and location of P-QRS-T wave by wavelet transform, ECG features could be extracted effectively. For recognizing two emotions (joy and sadness), genetic simulated annealing algorithm (GASA) was applied for feature selection. And classification accuracy of fisher classifier was used as evaluation criteria to select the optimal feature subset. Experiment results showed that the research had acquired a good emotion recognition effect and effective emotion features were achieved availably. And it was feasible to recognize the emotion states using GASA and fisher classifier based on ECG signal.

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