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Millimeter-wave (mmWave) radar has attracted significant attention in robotics and autonomous driving. However, despite the perception stability in harsh environments, the point cloud generated by mmWave radar is relatively sparse while…

Robotics · Computer Science 2025-09-30 Ruixin Wu , Zihan Li , Jin Wang , Xiangyu Xu , Zhi Zheng , Kaixiang Huang , Guodong Lu

The 4D millimeter-wave (mmWave) radar, with its robustness in extreme environments, extensive detection range, and capabilities for measuring velocity and elevation, has demonstrated significant potential for enhancing the perception…

Robotics · Computer Science 2024-05-09 Zeyu Han , Junkai Jiang , Xiaokang Ding , Qingwen Meng , Shaobing Xu , Lei He , Jianqiang Wang

The millimeter-wave radar sensor maintains stable performance under adverse environmental conditions, making it a promising solution for all-weather perception tasks, such as outdoor mobile robotics. However, the radar point clouds are…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Kai Luan , Chenghao Shi , Neng Wang , Yuwei Cheng , Huimin Lu , Xieyuanli Chen

Complementary to prevalent LiDAR and camera systems, millimeter-wave (mmWave) radar is robust to adverse weather conditions like fog, rainstorms, and blizzards but offers sparse point clouds. Current techniques enhance the point cloud by…

Robotics · Computer Science 2024-04-29 Cong Fan , Shengkai Zhang , Kezhong Liu , Shuai Wang , Zheng Yang , Wei Wang

Millimetre-wave (mmWave) radars can generate 3D point clouds to represent objects in the scene. However, the accuracy and density of the generated point cloud can be lower than a laser sensor. Although researchers have used mmWave radars…

Signal Processing · Electrical Eng. & Systems 2023-02-01 Han Cui , Jiacheng Wu , Naim Dahnoun

Millimeter-wave radar offers a promising sensing modality for autonomous systems thanks to its robustness in adverse conditions and low cost. However, its utility is significantly limited by the sparsity and low resolution of radar point…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Ruijie Zhang , Bixin Zeng , Shengpeng Wang , Fuhui Zhou , Wei Wang

Millimeter-wave (mmWave) radar offers robust sensing capabilities in diverse environments, making it a highly promising solution for human body reconstruction due to its privacy-friendly and non-intrusive nature. However, the significant…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Jiarui Yang , Songpengcheng Xia , Zengyuan Lai , Lan Sun , Qi Wu , Wenxian Yu , Ling Pei

This paper explores a machine learning approach for generating high resolution point clouds from a single-chip mmWave radar. Unlike lidar and vision-based systems, mmWave radar can operate in harsh environments and see through occlusions…

Millimeter-wave radar enables robust environment perception in autonomous systems under adverse conditions yet suffers from sparse, noisy point clouds with low angular resolution. Existing diffusion-based radar enhancement methods either…

Image and Video Processing · Electrical Eng. & Systems 2026-01-13 Hao Li , Xinqi Liu , Yaoqing Jin

In multimodal traffic monitoring, we gather traffic statistics for distinct transportation modes, such as pedestrians, cars and bicycles, in order to analyze and improve people's daily mobility in terms of safety and convenience. On account…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Feng Jin , Arindam Sengupta , Siyang Cao , Yao-Jan Wu

Millimeter-wave (mmWave) radar enables contactless respiratory sensing,yet fine-grained monitoring is often degraded by nonstationary interference from body micromotions.To achieve micromotion interference removal,we propose…

Image and Video Processing · Electrical Eng. & Systems 2026-03-24 Yong Wang , Qifan Shen , Bao Zhang , Zijun Huang , Chengbo Zhu , Shuai Yao , Qisong Wu

Millimeter wave (mmWave) sensing is an emerging technology with applications in 3D object characterization and environment mapping. However, realizing precise 3D reconstruction from sparse mmWave signals remains challenging. Existing…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Xingyu Chen , Xinyu Zhang , Qiyue Xia , Xinmin Fang , Chris Xiaoxuan Lu , Zhengxiong Li

Millimeter-wave (mmWave) radars are being increasingly integrated in commercial vehicles to support new Adaptive Driver Assisted Systems (ADAS) features that require accurate location and Doppler velocity estimates of objects, independent…

Signal Processing · Electrical Eng. & Systems 2023-01-24 Xiangyu Gao , Sumit Roy , Guanbin Xing , Sian Jin

Millimeter-wave radar provides perception robust to fog, smoke, dust, and low light, making it attractive for size, weight, and power constrained robotic platforms. Current radar imaging methods, however, rely on synthetic aperture or…

Robotics · Computer Science 2025-09-23 Bin Zhao , Nakul Garg

Millimeter-wave (mmWave) radar provides reliable perception in visually degraded indoor environments (e.g., smoke, dust, and low light), but learning-based radar perception is bottlenecked by the scarcity and cost of collecting and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Emily Bejerano , Federico Tondolo , Ayaan Qayyum , Xiaofan Yu , Xiaofan Jiang

Autonomous vehicles (AVs) are expected to revolutionize transportation by improving efficiency and safety. Their success relies on 3D vision systems that effectively sense the environment and detect traffic agents. Among sensors AVs use to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Amirhesam Aghanouri , Cristina Olaverri-Monreal

A point cloud enhancement method for 4D mmWave radar imagery is proposed in this paper. Based on the patch antenna and MIMO array theories, the MIMO array with small redundancy and high SNR is designed to provide the probability of high…

Image and Video Processing · Electrical Eng. & Systems 2024-01-31 Qingmian Wan , Hongli Peng , Xing Liao , Kuayue Liu , Junfa Mao

In industrial automation, radar is a critical sensor in machine perception. However, the angular resolution of radar is inherently limited by the Rayleigh criterion, which depends on both the radar's operating wavelength and the effective…

Robotics · Computer Science 2025-05-16 Yanlong Yang , Jianan Liu , Guanxiong Luo , Hao Li , Euijoon Ahn , Mostafa Rahimi Azghadi , Tao Huang

Sensor fusion is crucial for an accurate and robust perception system on autonomous vehicles. Most existing datasets and perception solutions focus on fusing cameras and LiDAR. However, the collaboration between camera and radar is…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Yizhou Wang , Jen-Hao Cheng , Jui-Te Huang , Sheng-Yao Kuan , Qiqian Fu , Chiming Ni , Shengyu Hao , Gaoang Wang , Guanbin Xing , Hui Liu , Jenq-Neng Hwang

Automotive radar has shown promising developments in environment perception due to its cost-effectiveness and robustness in adverse weather conditions. However, the limited availability of annotated radar data poses a significant challenge…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Jimmie Kwok , Holger Caesar , Andras Palffy
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