Domain Adaptive Hand Pose Estimation Based on Self-Looping Adversarial Training Strategy

In recent years, with the development of deep learning methods, hand pose estimation based on monocular RGB images has made great progress. However, insufficient labeled training datasets remain an important bottleneck for hand pose estimation. Because synthetic datasets can acquire a large number o...

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Main Authors: Rui Jin, Jianyu Yang
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/22/22/8843
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author Rui Jin
Jianyu Yang
author_facet Rui Jin
Jianyu Yang
author_sort Rui Jin
collection DOAJ
description In recent years, with the development of deep learning methods, hand pose estimation based on monocular RGB images has made great progress. However, insufficient labeled training datasets remain an important bottleneck for hand pose estimation. Because synthetic datasets can acquire a large number of images with precise annotations, existing methods address this problem by using data from easily accessible synthetic datasets. Domain adaptation is a method for transferring knowledge from a labeled source domain to an unlabeled target domain. However, many domain adaptation methods fail to achieve good results in realistic datasets due to the domain gap. In this paper, we design a self-looping adversarial training strategy to reduce the domain gap between synthetic and realistic domains. Specifically, we use a multi-branch structure. Then, a new adversarial training strategy we designed for the regression task is introduced to reduce the size of the output space. As such, our model can reduce the domain gap and thus improve the prediction performance of the model. The experiments using H3D and STB datasets show that our method significantly outperforms state-of-the-art domain adaptive methods.
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spelling doaj.art-c95590bebcc34c129f5104009fcccf912023-11-24T09:56:41ZengMDPI AGSensors1424-82202022-11-012222884310.3390/s22228843Domain Adaptive Hand Pose Estimation Based on Self-Looping Adversarial Training StrategyRui Jin0Jianyu Yang1School of Rail Transportation, Soochow University, 8 Jixue Road, Xiangcheng District, Suzhou 215100, ChinaSchool of Rail Transportation, Soochow University, 8 Jixue Road, Xiangcheng District, Suzhou 215100, ChinaIn recent years, with the development of deep learning methods, hand pose estimation based on monocular RGB images has made great progress. However, insufficient labeled training datasets remain an important bottleneck for hand pose estimation. Because synthetic datasets can acquire a large number of images with precise annotations, existing methods address this problem by using data from easily accessible synthetic datasets. Domain adaptation is a method for transferring knowledge from a labeled source domain to an unlabeled target domain. However, many domain adaptation methods fail to achieve good results in realistic datasets due to the domain gap. In this paper, we design a self-looping adversarial training strategy to reduce the domain gap between synthetic and realistic domains. Specifically, we use a multi-branch structure. Then, a new adversarial training strategy we designed for the regression task is introduced to reduce the size of the output space. As such, our model can reduce the domain gap and thus improve the prediction performance of the model. The experiments using H3D and STB datasets show that our method significantly outperforms state-of-the-art domain adaptive methods.https://www.mdpi.com/1424-8220/22/22/8843hand pose estimationadversarial trainingdomain adaptation
spellingShingle Rui Jin
Jianyu Yang
Domain Adaptive Hand Pose Estimation Based on Self-Looping Adversarial Training Strategy
Sensors
hand pose estimation
adversarial training
domain adaptation
title Domain Adaptive Hand Pose Estimation Based on Self-Looping Adversarial Training Strategy
title_full Domain Adaptive Hand Pose Estimation Based on Self-Looping Adversarial Training Strategy
title_fullStr Domain Adaptive Hand Pose Estimation Based on Self-Looping Adversarial Training Strategy
title_full_unstemmed Domain Adaptive Hand Pose Estimation Based on Self-Looping Adversarial Training Strategy
title_short Domain Adaptive Hand Pose Estimation Based on Self-Looping Adversarial Training Strategy
title_sort domain adaptive hand pose estimation based on self looping adversarial training strategy
topic hand pose estimation
adversarial training
domain adaptation
url https://www.mdpi.com/1424-8220/22/22/8843
work_keys_str_mv AT ruijin domainadaptivehandposeestimationbasedonselfloopingadversarialtrainingstrategy
AT jianyuyang domainadaptivehandposeestimationbasedonselfloopingadversarialtrainingstrategy