no code implementations • 3 May 2024 • Yadong Li, Dongheng Zhang, Ruixu Geng, Jincheng Wu, Yang Hu, Qibin Sun, Yan Chen
Recent advancements have showcased the potential of handheld millimeter-wave (mmWave) imaging, which applies synthetic aperture radar (SAR) principles in portable settings.
no code implementations • 27 Sep 2023 • Ruixu Geng, Yadong Li, Dongheng Zhang, Jincheng Wu, Yating Gao, Yang Hu, Yan Chen
However, existing methods failed to simultaneously address the three main challenges in mmWave radar pointcloud reconstruction: specular information lost, low angular resolution, and strong interference and noise.
no code implementations • 26 Dec 2022 • Cong Yu, Dongheng Zhang, Zhi Wu, Zhi Lu, Chunyang Xie, Yang Hu, Yan Chen
Different from existing methods that predict human poses from RF signals on the signal level directly, we consider the structure difference between the RF signals and the human poses, propose to transform the RF signals to the pose domain on the feature level based on Optimal Transport (OT) theory, and generate human poses from the transformed features.
no code implementations • 25 Jan 2022 • Zhi Wu, Dongheng Zhang, Chunyang Xie, Cong Yu, Jinbo Chen, Yang Hu, Yan Chen
To overcome such limitations, in this paper, we propose to utilize the radio signals, which can traverse obstacles and are unaffected by the lighting conditions to achieve silhouette segmentation.
no code implementations • 5 Jan 2022 • Ganlin Zhang, Dongheng Zhang, Ying He, Jinbo Chen, Fang Zhou, Yan Chen
The past years have witnessed increasing research interest in achieving passive human localization with commodity WiFi devices.
no code implementations • 16 Dec 2021 • Chengrun Qiu, Dongheng Zhang, Yang Hu, Houqiang Li, Qibin Sun, Yan Chen
In this paper, we propose a radio-assisted human detection framework by incorporating radio information into the state-of-the-art detection methods, including anchor-based onestage detectors and two-stage detectors.
no code implementations • 13 Dec 2021 • Jinbo Chen, Dongheng Zhang, Zhi Wu, Fang Zhou, Qibin Sun, Yan Chen
Specifically, we develop a millimeter-wave radar system to contactlessly measure cardiac mechanical activity and reconstruct ECG without any contact in.
no code implementations • 7 Dec 2021 • Cong Yu, Zhi Wu, Dongheng Zhang, Zhi Lu, Yang Hu, Yan Chen
To the best of our knowledge, this is the first work to generate optical images based on RF signals.
no code implementations • 1 Dec 2021 • Ying He, Dongheng Zhang, Yan Chen
Thus, in this paper, we propose a RIS-aided WiFi imaging framework to achieve high-resolution imaging with the off-the-shelf WiFi devices.
no code implementations • 20 Nov 2021 • Bin-Bin Zhang, Dongheng Zhang, Yadong Li, Yang Hu, Yan Chen
To tackle this challenge, we propose an unsupervised domain adaptation framework for device free gesture recognition by making effective use of the unlabeled target domain data.
1 code implementation • 11 Nov 2021 • Yadong Li, Dongheng Zhang, Jinbo Chen, Jinwei Wan, Dong Zhang, Yang Hu, Qibin Sun, Yan Chen
To enhance the robustness of the system and reduce data collecting efforts, we design a data augmentation framework for mmWave signals based on correlations between signal patterns and gesture variations.