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Emotion Recognition of EMG Based on Improved L-M BP Neural Network and SVM

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Author(s): Shanxiao Yang | Guangying Yang

Journal: Journal of Software
ISSN 1796-217X

Volume: 6;
Issue: 8;
Start page: 1529;
Date: 2011;
Original page

Keywords: surface electromyography (emg) signal | emotional pattern recognition | support vector machine (svm) | wavelet transform | l-m algorithm

ABSTRACT
This paper compares the emotional pattern recognition method between standard BP neural network classifier and BP neural network classifier improved by the L-M algorithm.  Then we compare the method Support Vector Machine (SVM) to them. Experiment analyzes wavelet transform of surface Electromyography (EMG) to extract the maximum and minimum wavelet coefficients of multi-scale firstly. We then input the two kinds of classifier of the structural feature vector for emotion recognition. The experimental result shows that the standard BP neural network classifier, L-M improved BP neural network classifier and support vector machine’s overall pattern recognition rate is 62.5%, 83.33% and 91.67 respectively. Experimental result shows that feature vector extracted by the wavelet transform can characterize emotional patterns through the comparison with the BP neural network classifier and Support Vector Machine, indicating that the Support Vector Machine have a stronger emotional recognition effect.
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