期刊
BIOMEDICAL SIGNAL PROCESSING AND CONTROL
卷 78, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.bspc.2022.103966
关键词
EEG; Emotion; Discrete Wavelet Transform
This paper presents an approach for emotion recognition using EEG signals, with experiments conducted using the SEED database. Various features and classifiers are utilized for emotion state classification. The trial results show that decision tree and K nearest neighbor methods perform well in emotion recognition.
The automated detection of a human's emotional state by acquiring physiological or non-physiological cues is referred to as Emotion Recognition. The EEG-based approach is an effective mechanism that is extensively utilized for emotion identification in real-world settings. In this paper various classifiers are used to classify the EEG signal into three emotional states using SEED database, prepare for emotion study using physiological signals. DWT is used to decompose EEG signal in various frequency bands with db6 as wavelet function for deriving various features like PSD, Energy, Standard Deviation, and Variance. Simultaneously we have derived various time domain features like Hjorth parameters, Maximum and Minimum value, Kurtosis, Skewness from EEG signal for recognition of emotion. The work is carried out with five electrode pairs Prefrontal (FP1-FP2), Frontal (F3-F4), Temporal (T3-T4), Parietal (P7-P8) and Occipital (O1-O2) out of 62 electrodes. Three classifi-cation methods, Support Vector Machine, K Nearest Neighbor and Decision Tree are used and their performances are compared for categorizing emotional state. The trial results show that maximum classification rate is 71.52% using decision tree and 60.19% using KNN. Electrodes FP1 and FP2 performs well in classification. Higher frequency spectrum like gamma and beta performs well in emotion recognition.
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