Figure 4From: Thermal spatio-temporal data for stress recognitionExamples of facial volumes extracted from the ANUStressDB database. The facial volumes are of an experiment participant watching the different types of film clips. (a) The participant was watching a not-stressed film clip. (b) The participant was watching a stressed film clip. (i) A facial volume in the visual spectrum. (ii) The corresponding facial volume in the thermal spectrum.Back to article page