Abstract
In this paper, we present the novel multi-task EfficientNet model and its usage in the 4th competition on Affective Behavior Analysis in-the-wild (ABAW). This model is trained for simultaneous recognition of facial expressions and prediction of valence and arousal on static photos. The resulting MT-EmotiEffNet extracts visual features that are fed into simple feed-forward neural networks in the multi-task learning challenge. We obtain performance measure 1.3 on the validation set, which is significantly greater when compared to either performance of baseline (0.3) or existing models that are trained only on the s-Aff-Wild2 database. In the learning from synthetic data challenge, the quality of the original synthetic training set is increased by using the super-resolution techniques, such as Real-ESRGAN. Next, the MT-EmotiEffNet is fine-tuned on the new training set. The final prediction is a simple blending ensemble of pre-trained and fine-tuned MT-EmotiEffNets. Our average validation F1 score is 18% greater than the baseline model. As a result, our team took the first place in the learning from synthetic data task and the third place in the multi-task learning challenge.
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Acknowledgements
The research is supported by RSF (Russian Science Foundation) grant 20–71-10010. The work in Sect. 3 is an output of a research project implemented as part of the Basic Research Program at the National Research University Higher School of Economics (HSE University).
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Savchenko, A.V. (2023). MT-EmotiEffNet for Multi-task Human Affective Behavior Analysis and Learning from Synthetic Data. In: Karlinsky, L., Michaeli, T., Nishino, K. (eds) Computer Vision – ECCV 2022 Workshops. ECCV 2022. Lecture Notes in Computer Science, vol 13806. Springer, Cham. https://doi.org/10.1007/978-3-031-25075-0_4
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