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Camera and LiDAR sensor modalities provide complementary appearance and geometric information useful for detecting 3D objects for autonomous vehicle applications. However, current end-to-end fusion methods are challenging to train and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Anas Mahmoud , Jordan S. K. Hu , Steven L. Waslander

In this work, we present a conceptually simple yet effective framework for cross-modality 3D object detection, named voxel field fusion. The proposed approach aims to maintain cross-modality consistency by representing and fusing augmented…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Yanwei Li , Xiaojuan Qi , Yukang Chen , Liwei Wang , Zeming Li , Jian Sun , Jiaya Jia

An autonomous system's perception engine must provide an accurate understanding of the environment for it to make decisions. Deep learning based object detection networks experience degradation in the performance and robustness for small…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Hemant Kumawat , Saibal Mukhopadhyay

Leveraging the complementary characteristics of visible (RGB) and infrared (IR) imagery offers significant potential for improving object detection. In this paper, we propose WaveMamba, a cross-modality fusion method that efficiently…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Haodong Zhu , Wenhao Dong , Linlin Yang , Hong Li , Yuguang Yang , Yangyang Ren , Qingcheng Zhu , Zichao Feng , Changbai Li , Shaohui Lin , Runqi Wang , Xiaoyan Luo , Baochang Zhang

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

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

Autonomous driving holds great promise in addressing traffic safety concerns by leveraging artificial intelligence and sensor technology. Multi-Object Tracking plays a critical role in ensuring safer and more efficient navigation through…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Lei Cheng , Arindam Sengupta , Siyang Cao

Millimeter-wave (mmWave) Radar--Camera fusion improves perception under adverse illumination and weather, but its performance is sensitive to Radar--Camera extrinsic calibration: residual misalignment biases Radar-to-image projection and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yuting Wan , Liguo Sun , Jiuwu Hao , Pin LV

Multi-modal 3D object detection has received growing attention as the information from different sensors like LiDAR and cameras are complementary. Most fusion methods for 3D detection rely on an accurate alignment and calibration between 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Zhe Liu , Xiaoqing Ye , Zhikang Zou , Xinwei He , Xiao Tan , Errui Ding , Jingdong Wang , Xiang Bai

Reliable and weather-robust perception systems are essential for safe autonomous driving and typically employ multi-modal sensor configurations to achieve comprehensive environmental awareness. While recent automotive FMCW Radar-based…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Christof Leitgeb , Thomas Puchleitner , Max Peter Ronecker , Daniel Watzenig

Recently, transformer networks have outperformed traditional deep neural networks in natural language processing and show a large potential in many computer vision tasks compared to convolutional backbones. In the original transformer,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Chen-Chou Lo , Patrick Vandewalle

Distributed radar sensors enable robust human activity recognition. However, scaling the number of coordinated nodes introduces challenges in feature extraction from large datasets, and transparent data fusion. We propose an end-to-end…

Signal Processing · Electrical Eng. & Systems 2026-01-07 Mina Shahbazifar , Zolfa Zeinalpour-Yazdi , Matthias Hollick , Arash Asadi , Vahid Jamali

Lidar-based sensing drives current autonomous vehicles. Despite rapid progress, current Lidar sensors still lag two decades behind traditional color cameras in terms of resolution and cost. For autonomous driving, this means that large…

Computer Vision and Pattern Recognition · Computer Science 2021-11-15 Tianwei Yin , Xingyi Zhou , Philipp Krähenbühl

Multimodal sensor fusion is an essential capability for autonomous robots, enabling object detection and decision-making in the presence of failing or uncertain inputs. While recent fusion methods excel in normal environmental conditions,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Edoardo Palladin , Roland Dietze , Praveen Narayanan , Mario Bijelic , Felix Heide

Lidars and cameras are critical sensors that provide complementary information for 3D detection in autonomous driving. While most prevalent methods progressively downscale the 3D point clouds and camera images and then fuse the high-level…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Zixuan Yin , Han Sun , Ningzhong Liu , Huiyu Zhou , Jiaquan Shen

In LiDAR-based 3D detection, history point clouds contain rich temporal information helpful for future prediction. In the same way, history detections should contribute to future detections. In this paper, we propose a detection enhancement…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Xirui Li , Feng Wang , Naiyan Wang , Chao Ma

Despite significant progress in 3D object detection, point clouds remain challenging due to sparse data, incomplete structures, and limited semantic information. Capturing contextual relationships between distant objects presents additional…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Md Sohag Mia , Md Nahid Hasan , Muhammad Abdullah Adnan

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

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

Satellite-based radar retrieval methods are widely employed to fill coverage gaps in ground-based radar systems, especially in remote areas affected by terrain blockage and limited detection range. Existing methods predominantly rely on…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Chunlei Shi , Han Xu , Yinghao Li , Yi-Lin Wei , Yongchao Feng , Yecheng Zhang , Dan Niu