1. An improved valence–arousal emotion space for video affective content representation and recognition;Kai,2009
2. AVEC 2012: the continuous audio/visual emotion challenge — an introduction;Schuller,2012
3. AVEC 2013: the continuous audio/visual emotion and depression recognition challenge;Valstar,2013
4. A circumplex model of affect;Russell;J. Pers. Soc. Psychol.,1980
5. Morphing between expressions dissociates continuous from categorical representations of facial expression in the human brain;Harris;Proc. Natl. Acad. Sci. U.S.A.,2012