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The joint adaptive detection of multiple point-like targets in scenarios characterized by different clutter types is still an open problem in the radar community. In this paper, we provide a solution to this problem by devising detection…

Signal Processing · Electrical Eng. & Systems 2023-04-26 Linjie Yan , Sudan Han , Chengpeng Hao , Danilo Orlando , Giuseppe Ricci

Three-dimensional (3D) urban models have gained interest because of their applications in many use-cases such as urban planning and virtual reality. However, generating these 3D representations requires LiDAR data, which are not always…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Yoones Rezaei , Stephen Lee

Adverse weather conditions such as snow, fog, and rain pose significant challenges to LiDAR-based perception models by introducing noise and corrupting point cloud measurements. To address this issue, we propose TripleMixer, a robust and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Xiongwei Zhao , Congcong Wen , Xu Zhu , Yang Wang , Haojie Bai , Wenhao Dou

LiDAR sensors provide high-resolution 3D perception and long-range detection, making them indispensable for autonomous driving and robotics. However, their performance significantly degrades under adverse weather conditions such as snow,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Ji-il Park , Inwook Shim

We present a system for automatic converting of 2D mask object predictions and raw LiDAR point clouds into full 3D bounding boxes of objects. Because the LiDAR point clouds are partial, directly fitting bounding boxes to the point clouds is…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Robert McCraith , Eldar Insafutdinov , Lukas Neumann , Andrea Vedaldi

Radar and camera fusion yields robustness in perception tasks by leveraging the strength of both sensors. The typical extracted radar point cloud is 2D without height information due to insufficient antennas along the elevation axis, which…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Huawei Sun , Hao Feng , Gianfranco Mauro , Julius Ott , Georg Stettinger , Lorenzo Servadei , Robert Wille

The perception of moving objects is crucial for autonomous robots performing collision avoidance in dynamic environments. LiDARs and cameras tremendously enhance scene interpretation but do not provide direct motion information and face…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Matthias Zeller , Vardeep S. Sandhu , Benedikt Mersch , Jens Behley , Michael Heidingsfeld , Cyrill Stachniss

Cameras can be used to perceive the environment around the vehicle, while affordable radar sensors are popular in autonomous driving systems as they can withstand adverse weather conditions unlike cameras. However, radar point clouds are…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Kavin Chandrasekaran , Sorin Grigorescu , Gijs Dubbelman , Pavol Jancura

Autonomous radar has been an integral part of advanced driver assistance systems due to its robustness to adverse weather and various lighting conditions. Conventional automotive radars use digital signal processing (DSP) algorithms to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Xu Dong , Pengluo Wang , Pengyue Zhang , Langechuan Liu

Point clouds are widely used representations of 3D data, but determining the visibility of points from a given viewpoint remains a challenging problem due to their sparse nature and lack of explicit connectivity. Traditional methods, such…

Graphics · Computer Science 2025-09-30 Jun-Hao Wang , Yi-Yang Tian , Baoquan Chen , Peng-Shuai Wang

4D radar-based object detection has garnered great attention for its robustness in adverse weather conditions and capacity to deliver rich spatial information across diverse driving scenarios. Nevertheless, the sparse and noisy nature of 4D…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Fuyang Liu , Jilin Mei , Fangyuan Mao , Chen Min , Yan Xing , Yu Hu

Current neural networks-based object detection approaches processing LiDAR point clouds are generally trained from one kind of LiDAR sensors. However, their performances decrease when they are tested with data coming from a different LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Ruddy Théodose , Dieumet Denis , Thierry Chateau , Vincent Frémont , Paul Checchin

LiDAR point clouds, which are usually scanned by rotating LiDAR sensors continuously, capture precise geometry of the surrounding environment and are crucial to many autonomous detection and navigation tasks. Though many 3D deep…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Aoran Xiao , Jiaxing Huang , Dayan Guan , Kaiwen Cui , Shijian Lu , Ling Shao

Environmental information can provide reliable prior information about human motion intent, which can aid the subject with wearable robotics to walk in complex environments. Previous researchers have utilized 1D signal and 2D images to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 Kuangen Zhang , Jing Wang , Chenglong Fu

In this paper we present our research on the optimisation of a deep neural network for 3D object detection in a point cloud. Techniques like quantisation and pruning available in the Brevitas and PyTorch tools were used. We performed the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Joanna Stanisz , Konrad Lis , Tomasz Kryjak , Marek Gorgon

Three-dimensional (3D) object recognition is crucial for intelligent autonomous agents such as autonomous vehicles and robots alike to operate effectively in unstructured environments. Most state-of-art approaches rely on relatively dense…

Robotics · Computer Science 2022-05-10 Prajval Kumar Murali , Cong Wang , Ravinder Dahiya , Mohsen Kaboli

Object detection using automotive radars has not been explored with deep learning models in comparison to the camera based approaches. This can be attributed to the lack of public radar datasets. In this paper, we collect a novel radar…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Ao Zhang , Farzan Erlik Nowruzi , Robert Laganiere

Perception systems for autonomous driving have seen significant advancements in their performance over last few years. However, these systems struggle to show robustness in extreme weather conditions because sensors like lidars and cameras,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Kshitiz Bansal , Keshav Rungta , Dinesh Bharadia

We introduce R2LDM, an innovative approach for generating dense and accurate 4D radar point clouds, guided by corresponding LiDAR point clouds. Instead of utilizing range images or bird's eye view (BEV) images, we represent both LiDAR and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Boyuan Zheng , Shouyi Lu , Renbo Huang , Minqing Huang , Fan Lu , Wei Tian , Guirong Zhuo , Lu Xiong

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
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