NDLI: Extracting Features Using Computational Cerebellar Model for Emotion Classification

Content Provider	IEEE Xplore Digital Library
Author	Yaacob, H. Abdul, W. Kamaruddin, N.
Copyright Year	2013
Description	Author affiliation: Kulliyyah of Inf. & Commun. Technol., Int. Islamic Univ. Malaysia, Kuala Lumpur, Malaysia (Yaacob, H.; Abdul, W.) \|\| Fac. of Comput. & Math. Sci., MARA Univ. of Technol., Shah Alam, Malaysia (Kamaruddin, N.)
Abstract	Several feature extraction techniques have been employed to extract features from EEG signals for classifying emotions. Such techniques are not constructed based on the understanding of EEG and brain functions, neither inspired by the understanding of emotional dynamics. Hence, the features are difficult to be interpreted and yield low classification performance. In this study, a new feature extraction technique using Cerebellar Model Articulation Controller (CMAC) is proposed. The features are extracted from the weights of data-driven self-organizing feature map that are adjusted during training to optimize the error obtained from the desired output and the calculated output. Multi-Layer Perceptron (MLP) classifier is then employed to perform classification on fear, happiness, sadness and calm emotions. Experimental results show that the average accuracy of classifying emotions from EEG signals captured on 12 children aged between 4 to 6 years old ranging from 84.18% to 89.29%. In addition, classification performance for features derived from other techniques such as Power Spectrum Density (PSD), Kernel Density Estimation (KDE) and Mel-Frequency Cepstral Coefficients (MFCC) are also presented as a standard benchmark for comparison purpose. It is observed that the proposed approach is able to yield accuracy of 33.77% to 55% as compared to the respective comparison features. The experimental results indicated that the proposed approach has potential for comparative emotion recognition accuracy when coupled with MLP.
Starting Page	367
Ending Page	372
File Size	314107
Page Count	6
File Format	PDF
ISBN	9781479927586
DOI	10.1109/ACSAT.2013.79
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-23
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Training Accuracy CMAC Computational modeling EEG Emotion classification Feature extraction Brain modeling Latent features Electroencephalography Mel frequency cepstral coefficient
Content Type	Text
Resource Type	Article

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