Abstract
Continuous emotion recognition is of great significance in affective computing and human-computer interaction. Most of existing methods for video based continuous emotion recognition utilize facial expression. However, besides facial expression, other clues including head pose and eye gaze are also closely related to human emotion, but have not been well explored in continuous emotion recognition task. On the one hand, head pose and eye gaze could result in different degrees of credibility of facial expression features. On the other hand, head pose and eye gaze carry emotional clues themselves, which are complementary to facial expression. Accordingly, in this paper we propose two ways to incorporate these two clues into continuous emotion recognition. They are respectively an attention mechanism based on head pose and eye gaze clues to guide the utilization of facial features in continuous emotion recognition, and an auxiliary line which helps extract more useful emotion information from head pose and eye gaze. Experiments are conducted on the Recola dataset, a database for continuous emotion recognition, and the results show that our framework outperforms other state-of-the-art methods due to the full use of head pose and eye gaze clues in addition to facial expression for continuous emotion recognition.
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