Recognition of affect in the wild using deep neural networks
Kollias, Dimitrios; Nicolaou, Mihalis A.; Kotsia, Irene; Zhao, Guoying; Zafeiriou, Stefanos (2017-07-21)
D. Kollias, M. A. Nicolaou, I. Kotsia, G. Zhao and S. Zafeiriou, "Recognition of Affect in the Wild Using Deep Neural Networks," 2017 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), Honolulu, HI, 2017, pp. 1972-1979. doi: 10.1109/CVPRW.2017.247
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https://urn.fi/URN:NBN:fi-fe201902276439
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Abstract
In this paper we utilize the first large-scale "in-the-wild" (Aff-Wild) database, which is annotated in terms of the valence-arousal dimensions, to train and test an end-to-end deep neural architecture for the estimation of continuous emotion dimensions based on visual cues. The proposed architecture is based on jointly training convolutional (CNN) and recurrent neural network (RNN) layers, thus exploiting both the invariant properties of convolutional features, while also modelling temporal dynamics that arise in human behaviour via the recurrent layers. Various pre-trained networks are used as starting structures which are subsequently appropriately fine-tuned to the Aff-Wild database. Obtained results show premise for the utilization of deep architectures for the visual analysis of human behaviour in terms of continuous emotion dimensions and analysis of different types of affect.
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