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Evaluating classifiers for emotion recognition using EEG
Blekinge Institute of Technology, School of Computing.
Blekinge Institute of Technology, School of Computing.
Blekinge Institute of Technology, School of Computing.
Blekinge Institute of Technology, School of Computing.
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2013 (English)Conference paper (Refereed) Published
Abstract [en]

There are several ways of recording psychophysiology data from humans, for example Galvanic Skin Response (GSR), Electromyography (EMG), Electrocardiogram (ECG) and Electroencephalography (EEG). In this paper we focus on emotion detection using EEG. Various machine learning techniques can be used on the recorded EEG data to classify emotional states. K-Nearest Neighbor (KNN), Bayesian Network (BN), Artificial Neural Network (ANN) and Support Vector Machine (SVM) are some machine learning techniques that previously have been used to classify EEG data in various experiments. Five different machine learning techniques were evaluated in this paper, classifying EEG data associated with specific affective/emotional states. The emotions were elicited in the subjects using pictures from the International Affective Picture System (IAPS) database. The raw EEG data were processed to remove artifacts and a number of features were selected as input to the classifiers. The results showed that it is difficult to train a classifier to be accurate over large datasets (15 subjects) but KNN and SVM with the proposed features were reasonably accurate over smaller datasets (5 subjects) identifying the emotional states with an accuracy up to 77.78%.

Place, publisher, year, edition, pages
Las Vegas: Springer , 2013.
Keyword [en]
Emotion detection, Emotion recognition, Emotional state, Galvanic skin response, K nearest neighbor (KNN), Large datasets, Machine learning techniques, Picture system
National Category
Software Engineering
Identifiers
URN: urn:nbn:se:bth-6852DOI: 10.1007/978-3-642-39454-6_53Local ID: oai:bth.se:forskinfo4E725BBDBF0A9820C1257C2E003674CFISBN: 978-364239453-9OAI: oai:DiVA.org:bth-6852DiVA: diva2:834403
Conference
7th International Conference on Foundations of Augmented Cognition
Note
Held as Part of 15th International Conference on Human-Computer Interaction, HCI International 2013Available from: 2013-11-25 Created: 2013-11-25 Last updated: 2015-06-30Bibliographically approved

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