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Recent advances in 4D imaging radar have enabled robust perception in adverse weather, while camera sensors provide dense semantic information. Fusing the these complementary modalities has great potential for cost-effective 3D perception.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Xiaozhi Li , Huijun Di , Jian Li , Feng Liu , Wei Liang

LiDAR-camera fusion can enhance the performance of 3D object detection by utilizing complementary information between depth-aware LiDAR points and semantically rich images. Existing voxel-based methods face significant challenges when…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Ziying Song , Guoxin Zhang , Jun Xie , Lin Liu , Caiyan Jia , Shaoqing Xu , Zhepeng Wang

Both humans and computational methods struggle to discriminate the depths of objects hidden beneath foliage. However, such discrimination becomes feasible when we combine computational optical synthetic aperture sensing with the human…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Robert Kerschner , Rakesh John Amala Arokia Nathan , Rafal Mantiuk , Oliver Bimber

Object detection is a core component of perception systems, providing the ego vehicle with information about its surroundings to ensure safe route planning. While cameras and Lidar have significantly advanced perception systems, their…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Farzeen Munir , Shoaib Azam , Tomasz Kucner , Ville Kyrki , Moongu Jeon

Developing reliable UAV navigation systems requires robust air-to-air object detectors capable of distinguishing between objects seen during training and previously unseen objects. While many methods address closed-set detection and achieve…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Spyridon Loukovitis , Vasileios Karampinis , Athanasios Voulodimos

Precisely detection of Unmanned Aerial Vehicles(UAVs) plays a critical role in UAV defense systems. Deep learning is widely adopted for UAV object detection whereas researches on this topic are limited by the amount of dataset and small…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Chen Rui , Guo Youwei , Zheng Huafei , Jiang Hongyu

Aerial object detection presents challenges from small object sizes, high density clustering, and image quality degradation from distance and motion blur. These factors create an information bottleneck where limited pixel representation…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Ragib Amin Nihal , Benjamin Yen , Takeshi Ashizawa , Katsutoshi Itoyama , Kazuhiro Nakadai

Infrared imaging has emerged as a robust solution for urban object detection under low-light and adverse weather conditions, offering significant advantages over traditional visible-light cameras. However, challenges such as class…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Jiali Zhang , Thomas S. White , Haoliang Zhang , Wenqing Hu , Donald C. Wunsch , Jian Liu

With the rapid development of information technology, modern warfare increasingly relies on intelligence, making small target detection critical in military applications. The growing demand for efficient, real-time detection has created…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Xiaoxiao Ma , Junxiong Tong

Predominant methods for image-based drone detection frequently rely on employing generic object detection algorithms like YOLOv5. While proficient in identifying drones against homogeneous backgrounds, these algorithms often struggle in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Tamara R. Lenhard , Andreas Weinmann , Stefan Jäger , Tobias Koch

We propose a late-to-early recurrent feature fusion scheme for 3D object detection using temporal LiDAR point clouds. Our main motivation is fusing object-aware latent embeddings into the early stages of a 3D object detector. This feature…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Tong He , Pei Sun , Zhaoqi Leng , Chenxi Liu , Dragomir Anguelov , Mingxing Tan

Multimodal fusion is a multimedia technique that has become popular in the wide range of tasks where image information is accompanied by a signal/audio. The latter may not convey highly semantic information, such as speech or music, but…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Alexey Zhukov , Jenny Benois-Pineau , Amira Youssef , Akka Zemmari , Mohamed Mosbah , Virginie Taillandier

Multi-sensor fusion is crucial for accurate 3D object detection in autonomous driving, with cameras and LiDAR being the most commonly used sensors. However, existing methods perform sensor fusion in a single view by projecting features from…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Rohit Mohan , Daniele Cattaneo , Florian Drews , Abhinav Valada

Reliable obstacle detection and classification in rough and unstructured terrain such as agricultural fields or orchards remains a challenging problem. These environments involve large variations in both geometry and appearance, challenging…

Robotics · Computer Science 2019-03-14 Mikkel Kragh , James Underwood

Accurate 3D person detection is critical for safety in applications such as robotics, industrial monitoring, and surveillance. This work presents a systematic evaluation of 3D person detection using camera-only, LiDAR-only, and camera-LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Malaz Tamim , Andrea Matic-Flierl , Karsten Roscher

For the detection of fire-like targets in indoor, outdoor and forest fire images, as well as fire detection under different natural lights, an improved YOLOv5 fire detection deep learning algorithm is proposed. The YOLOv5 detection model…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Arafat Islam , Md. Imtiaz Habib

LiDAR and camera are two important sensors for 3D object detection in autonomous driving. Despite the increasing popularity of sensor fusion in this field, the robustness against inferior image conditions, e.g., bad illumination and sensor…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Xuyang Bai , Zeyu Hu , Xinge Zhu , Qingqiu Huang , Yilun Chen , Hongbo Fu , Chiew-Lan Tai

The safe operation of automated vehicles depends on their ability to perceive the environment comprehensively. However, occlusion, sensor range, and environmental factors limit their perception capabilities. To overcome these limitations,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Sven Teufel , Jörg Gamerdinger , Georg Volk , Oliver Bringmann

Multimodal sensor fusion methods for 3D object detection have been revolutionizing the autonomous driving research field. Nevertheless, most of these methods heavily rely on dense LiDAR data and accurately calibrated sensors which is often…

Robotics · Computer Science 2023-06-14 Maciej K. Wozniak , Viktor Karefjards , Marko Thiel , Patric Jensfelt

Sparse 3D detectors have received significant attention since the query-based paradigm embraces low latency without explicit dense BEV feature construction. However, these detectors achieve worse performance than their dense counterparts.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Hongcheng Zhang , Liu Liang , Pengxin Zeng , Xiao Song , Zhe Wang