EMOTION ASSESSMENT TOOL FOR HUMAN-MACHINE INTERFACES - Using EEG Data and Multimedia Stimuli Towards Emotion Classification Topics: Biometrics and Pattern Recognition; Multidimensional Signal Processing; Multimodal Signal Processing; Perceptual/Human Audiovisual System Modeling In Proceedings of the International Conference on Signal Processing and Multimedia Applications - Volume 0ICETE, 185-188, 2008 , Porto, Portugal