@INPROCEEDINGS{2018ACTI4595, CATEGORY = {ACTI}, AUTHOR = {Hajlaoui, A. and Chetouani, M. and Essid, S.}, TITLE = {Multi-task Feature Learning for EEG-based Emotion Recognition Using Group Nonnegative Matrix Factorization}, YEAR = {2018}, BOOKTITLE = {European Conference on Signal Processing, EUSIPCO 2018}, PAGES = {91-95} }