1. What the Face reveals: Basic and Applied Studies of Spontaneous Expression Using the Facial Action Coding System (FACS);Ekman,2005
2. A survey of affect recognition methods: audio, visual, and spontaneous expressions;Zeng;IEEE Trans. Pattern Anal. Mach. Intell.,2009
3. Nonverbal social withdrawal in depression: evidence from manual and automatic analysis;Girard;Image Vis. Comput.,2014
4. Towards an affective interface for assessment of psychological distress;Lucas,2015
5. Advances, challenges, and opportunities in automatic facial expression recognition;Martinez,2016