Facial Action Unit Recognition in the Wild With Multi-Task CNN Self-Training for the EmotioNet... - Crossminds
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Facial Action Unit Recognition in the Wild With Multi-Task CNN Self-Training for the EmotioNet...
Sep 29, 2020
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Authors: Philipp Werner, Frerk Saxen, Ayoub Al-Hamadi Description: Automatic understanding of facial behavior is hampered by factors such as occlusion, illumination, non-frontal head pose, low image resolution, or limitations in labeled training data. The EmotioNet 2020 Challenge addresses these issues through a competition on recognizing facial action units on in-the-wild data. We propose to combine multi-task and self-training to make best use of the small manually / fully labeled and the large weakly / partially labeled training datasets provided by the challenge organizers. With our approach (and without using additional data) we achieve the second place in the 2020 challenge -- with a performance gap of only 0.05% to the challenge winner and of 5.9% to the third place. On the 2018 challenge evaluation data our method outperforms all other known results.
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