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Related papers: mmWave Radar-Based Non-Line-of-Sight Pedestrian Lo…

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The presence of Non-Line-of-Sight (NLoS) blind spots resulting from roadside parking in urban environments poses a significant challenge to road safety, particularly due to the sudden emergence of pedestrians. mmWave technology leverages…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Hee-Yeun Kim , Byeonggyu Park , Byonghyok Choi , Hansang Cho , Byungkwan Kim , Soomok Lee , Mingu Jeon , Seung-Woo Seo , Seong-Woo Kim

In this work, we propose a novel approach for high accuracy user localization by merging tools from both millimeter wave (mmWave) imaging and communications. The key idea of the proposed solution is to leverage mmWave imaging to construct a…

Information Theory · Computer Science 2018-11-20 Mohammed Aladsani , Ahmed Alkhateeb , Georgios C. Trichopoulos

The study of non-line-of-sight (NLOS) imaging is growing due to its many potential applications, including rescue operations and pedestrian detection by self-driving cars. However, implementing NLOS imaging on a moving camera remains an…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Shenbagaraj Kannapiran , Sreenithy Chandran , Suren Jayasuriya , Spring Berman

The millimeter-wave (mmWave)-based Wi-Fi sensing technology has recently attracted extensive attention since it provides a possibility to realize higher sensing accuracy. However, current works mainly concentrate on sensing scenarios where…

Information Theory · Computer Science 2022-10-11 Shiwen He , Kangli Cai , Shiyue Huang , Zhenyu Anz , Wei Huang , Ning Gao

4D mmWave radar sensors are suitable for roadside perception in city-scale Intelligent Transportation Systems (ITS) due to their long sensing range, weatherproof functionality, simple mechanical design, and low manufacturing cost. In this…

Robotics · Computer Science 2024-07-29 Longfei Han , Qiuyu Xu , Klaus Kefferpütz , Ying Lu , Gordon Elger , Jürgen Beyerer

Non-line-of-sight (NLOS) imaging is based on capturing the multi-bounce indirect reflections from the hidden objects. Active NLOS imaging systems rely on the capture of the time of flight of light through the scene, and have shown great…

Image and Video Processing · Electrical Eng. & Systems 2022-04-19 Jiayong Peng , Fangzhou Mu , Ji Hyun Nam , Siddeshwar Raghavan , Yin Li , Andreas Velten , Zhiwei Xiong

The accuracy of traditional localization methods significantly degrades when the direct path between the wireless transmitter and the target is blocked or non-penetrable. This paper proposes N2LoS, a novel approach for precise…

Signal Processing · Electrical Eng. & Systems 2025-05-14 Zhenguo Shi , Yihe Yan , Yanxiang Wang , Wen Hu , Chun Tung Chou

Non-line-of-sight (NLOS) imaging of objects not visible to either the camera or illumination source is a challenging task with vital applications including surveillance and robotics. Recent NLOS reconstruction advances have been achieved…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Sreenithy Chandran , Suren Jayasuriya

The ability to form non-line-of-sight (NLOS) images of changing scenes could be transformative in a variety of fields, including search and rescue, autonomous vehicle navigation, and reconnaissance. Most existing active NLOS methods…

Image and Video Processing · Electrical Eng. & Systems 2026-03-12 Sheila Seidel , Hoover Rueda-Chacon , Iris Cusini , Federica Villa , Franco Zappa , Christopher Yu , Vivek K Goyal

Non-line-of-sight (NLOS) imaging is an emerging technique for detecting objects behind obstacles or around corners. Recent studies on passive NLOS mainly focus on steady-state measurement and reconstruction methods, which show limitations…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Conghe Wang , Yutong He , Xia Wang , Honghao Huang , Changda Yan , Xin Zhang , Hongwei Chen

Non-Line-of-Sight (NLOS) imaging aims at recovering the 3D geometry of objects that are hidden from the direct line of sight. In the past, this method has suffered from the weak available multibounce signal limiting scene size, capture…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Ji Hyun Nam , Eric Brandt , Sebastian Bauer , Xiaochun Liu , Eftychios Sifakis , Andreas Velten

LiDARs are being increasingly deployed for consumer imaging in handheld, wearable, and robotic applications. These sensors can capture the time-of-flight of light at picosecond resolution, which in principle, enables them to capture…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Siddharth Somasundaram , Aaron Young , Akshat Dave , Adithya Pediredla , Ramesh Raskar

Multi-point detection of the full-scale environment is an important issue in autonomous driving. The state-of-the-art positioning technologies (such as RADAR and LIDAR) are incapable of real-time detection without line-of-sight. To address…

Information Theory · Computer Science 2019-05-01 Zezhong Zhang , Seung-Woo Ko , Rui Wang , Kaibin Huang

This paper introduces a new approach to localize user devices located in non-line-of-sight (NLOS) areas using a passive, non-reconfigurable, and frequency-selective metasurface called metaprism. By analyzing the spatial filtering of…

Signal Processing · Electrical Eng. & Systems 2023-07-25 Marina Lotti , Giacomo Calesini , Davide Dardari

Detecting pedestrians is a crucial task in autonomous driving systems to ensure the safety of drivers and pedestrians. The technologies involved in these algorithms must be precise and reliable, regardless of environment conditions. Relying…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Òscar Lorente , Josep R. Casas , Santiago Royo , Ivan Caminal

Wireless positioning in Non-Line-of-Sight (NLoS) scenarios presents significant challenges due to multipath effects that lead to biased measurements and reduced positioning accuracy. This paper revisits electromagnetic field theory related…

Signal Processing · Electrical Eng. & Systems 2025-04-04 Gaurav Duggal , R. Michael Buehrer , Harpreet S. Dhillon , Jeffrey H. Reed

With the prosperity of the video surveillance, multiple cameras have been applied to accurately locate pedestrians in a specific area. However, previous methods rely on the human-labeled annotations in every video frame and camera view,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Mengyin Liu , Chao Zhu , Shiqi Ren , Xu-Cheng Yin

One strategy to obtain user location information in a wireless network operating at millimeter wave (mmWave) is based on the exploitation of the geometric relationships between the channel parameters and the user position. These…

Signal Processing · Electrical Eng. & Systems 2025-03-11 Yun Chen , Nuria González-Prelcic , Takayuki Shimizu , Hongsheng Lu

In this paper, mm-Pose, a novel approach to detect and track human skeletons in real-time using an mmWave radar, is proposed. To the best of the authors' knowledge, this is the first method to detect >15 distinct skeletal joints using…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Arindam Sengupta , Feng Jin , Renyuan Zhang , Siyang Cao

Pedestrian detection is an important component for safety of autonomous vehicles, as well as for traffic and street surveillance. There are extensive benchmarks on this topic and it has been shown to be a challenging problem when applied on…

Computer Vision and Pattern Recognition · Computer Science 2017-10-18 Damien Matti , Hazım Kemal Ekenel , Jean-Philippe Thiran
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