Human Activity Recognition of Millimeter-wave Radar Based on DRCNet

Li, Wenlong; Wu, Xiaochuan; Deng, Weibo; Dong, Yingning

doi:10.1109/isap57493.2023.10388514

2023 IEEE International Symposium on Antennas and Propagation (ISAP) 2023

DOI: 10.1109/isap57493.2023.10388514

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Human Activity Recognition of Millimeter-wave Radar Based on DRCNet

Wenlong Li,

Xiaochuan Wu,

Weibo Deng

et al.

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2024

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MF-Match: A Semi-Supervised Model for Human Action Recognition

Yun,

Wang

2024

Sensors

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Human action recognition (HAR) technology based on radar signals has garnered significant attention from both industry and academia due to its exceptional privacy-preserving capabilities, noncontact sensing characteristics, and insensitivity to lighting conditions. However, the scarcity of accurately labeled human radar data poses a significant challenge in meeting the demand for large-scale training datasets required by deep model-based HAR technology, thus substantially impeding technological advancements in this field. To address this issue, a semi-supervised learning algorithm, MF-Match, is proposed in this paper. This algorithm computes pseudo-labels for larger-scale unsupervised radar data, enabling the model to extract embedded human behavioral information and enhance the accuracy of HAR algorithms. Furthermore, the method incorporates contrastive learning principles to improve the quality of model-generated pseudo-labels and mitigate the impact of mislabeled pseudo-labels on recognition performance. Experimental results demonstrate that this method achieves action recognition accuracies of 86.69% and 91.48% on two widely used radar spectrum datasets, respectively, utilizing only 10% labeled data, thereby validating the effectiveness of the proposed approach.

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MF-Match: A Semi-Supervised Model for Human Action Recognition

Yun,

Wang

2024

Sensors

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show abstract

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Human Activity Recognition of Millimeter-wave Radar Based on DRCNet

Cited by 1 publication

References 4 publications

MF-Match: A Semi-Supervised Model for Human Action Recognition

MF-Match: A Semi-Supervised Model for Human Action Recognition

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