[1]MO Hongwei,FU Zhijie.Unsupervised cross-domain expression recognition based on transfer learning[J].CAAI Transactions on Intelligent Systems,2021,16(3):397-406.[doi:10.11992/tis.202008034]
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CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume:
16
Number of periods:
2021 3
Page number:
397-406
Column:
学术论文—机器学习
Public date:
2021-05-05
- Title:
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Unsupervised cross-domain expression recognition based on transfer learning
- Author(s):
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MO Hongwei; FU Zhijie
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Automation College, Harbin Engineering University, Harbin 150001, China
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- Keywords:
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expression recognition; unsupervised; cross-domain; transfer learning; feature transformation; joint alignment; public subspace; domain adaptive
- CLC:
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TP181
- DOI:
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10.11992/tis.202008034
- Abstract:
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This paper primarily studies unsupervised cross-domain facial expression recognition based on transfer learning. In recent years, many proposed methods have achieved satisfactory results in facial expression recognition. However, these methods usually assume that the training and test data come from the same data set and therefore have the same distribution. In practical applications, this assumption is usually untrue, especially when the training and test sets come from different data sets, also known as the cross-domain facial expression recognition problem. To solve this problem, we propose a migration learning method (domain align learning) based on joint distributed alignment for cross-domain facial expression recognition. By determining a feature transform, the source and target domain data are mapped onto a common subspace, wherein edge distribution and conditional distribution are aligned jointly to reduce the distribution difference between domains, and then a domain adaptive classifier is obtained by training the transformed features to predict the target domain sample label. To verify the effectiveness of the proposed algorithm, many experiments are performed on three databases, CK+, Oulu-CASIA NIR, and Oulu-CASIA VIS. The experimental results show the effectiveness of the proposed algorithm in cross-domain facial expression recognition.