2 papers
cs.CV2016
Spontaneous Subtle Expression Detection and Recognition based on Facial Strain
Sze-Teng Liong, John See, Raphael Chung-Wei Phan +4
Optical strain is an extension of optical flow that is capable of quantifying subtle changes on faces and representing the minute facial motion intensities at the pixel level. This…
cs.CV2016
Sparsity in Dynamics of Spontaneous Subtle Emotions: Analysis \& Application
Anh Cat Le Ngo, John See, Raphael Chung-Wei Phan
Spontaneous subtle emotions are expressed through micro-expressions, which are tiny, sudden and short-lived dynamics of facial muscles; thus poses a great challenge for visual reco…