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Deep Multi-task Learning for Facial Expression Recognition and Synthesis Based on Selective Feature Sharing

机译：基于选择性特征共享的面部表情识别和合成的深度多任务学习

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摘要

Multi-task learning is an effective learning strategy for deep-learning-based facial expression recognition tasks. However, most existing methods take into limited consideration the feature selection, when transferring information between different tasks, which may lead to task interference when training the multi-task networks. To address this problem, we propose a novel selective feature-sharing method, and establish a multi-task network for facial expression recognition and facial expression synthesis. The proposed method can effectively transfer beneficial features between different tasks, while filtering out useless and harmful information. Moreover, we employ the facial expression synthesis task to enlarge and balance the training dataset to further enhance the generalization ability of the proposed method. Experimental results show that the proposed method achieves state-of-the-art performance on those commonly used facial expression recognition benchmarks, which makes it a potential solution to real-world facial expression recognition problems.
机译：多任务学习是基于深度学习的面部表情识别任务的有效学习策略。但是，当在不同任务之间传输信息时，大多数现有方法都考虑了特征选择，这可能在培训多任务网络时可能导致任务干扰。为了解决这个问题，我们提出了一种新颖的选择性特征共享方法，并建立一个用于面部表情识别和面部表达合成的多任务网络。该方法可以有效地转移不同任务之间的有益特征，同时过滤无用和有害信息。此外，我们采用了面部表情综合任务来扩大并平衡训练数据集以进一步提高所提出的方法的泛化能力。实验结果表明，该方法在那些常用的面部表情识别基准上实现了最先进的性能，这使其成为现实世界面部表情识别问题的潜在解决方案。

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