Noisy Student Training using Body Language Dataset Improves Facial Expression Recognition

• URL: http://arxiv.org/abs/2008.02655v2
• Date: Wed, 24 Feb 2021 19:11:20 GMT
• Title: Noisy Student Training using Body Language Dataset Improves Facial Expression Recognition
• Authors: Vikas Kumar, Shivansh Rao, Li Yu
• Abstract summary: In this paper, we use a self-training method that utilizes a combination of a labelled dataset and an unlabelled dataset. Experimental analysis shows that training a noisy student network iteratively helps in achieving significantly better results. Our results show that the proposed method achieves state-of-the-art performance on benchmark datasets.
• Score: 10.529781894367877
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Facial expression recognition from videos in the wild is a challenging task due to the lack of abundant labelled training data. Large DNN (deep neural network) architectures and ensemble methods have resulted in better performance, but soon reach saturation at some point due to data inadequacy. In this paper, we use a self-training method that utilizes a combination of a labelled dataset and an unlabelled dataset (Body Language Dataset - BoLD). Experimental analysis shows that training a noisy student network iteratively helps in achieving significantly better results. Additionally, our model isolates different regions of the face and processes them independently using a multi-level attention mechanism which further boosts the performance. Our results show that the proposed method achieves state-of-the-art performance on benchmark datasets CK+ and AFEW 8.0 when compared to other single models.

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