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Related papers: Sparse4D: Multi-view 3D Object Detection with Spar…

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3D object detection is essential for autonomous driving. As an emerging sensor, 4D imaging radar offers advantages as low cost, long-range detection, and accurate velocity measurement, making it highly suitable for object detection.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Xiaozhi Li , Huijun Di , Jian Li , Feng Liu , Wei Liang

Multi-modal sensor fusion in Bird's Eye View (BEV) representation has become the leading approach for 3D object detection. However, existing methods often rely on depth estimators or transformer encoders to transform image features into BEV…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Yongjin Lee , Hyeon-Mun Jeong , Yurim Jeon , Sanghyun Kim

In autonomous driving, 3D object detection is essential for accurate perception and reliable decision-making. However, object motion and ego-motion often induce cross-frame spatiotemporal inconsistencies in BEV-based detectors, leading to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Wenxuan Li , Qin Zou , Shoubing Chen , Chi Chen , Yingyi Yang , Shoubing Chen , Qingxiang Meng

Three-dimensional object detection is one of the key tasks in autonomous driving. To reduce costs in practice, low-cost multi-view cameras for 3D object detection are proposed to replace the expansive LiDAR sensors. However, relying solely…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Zhiwei Lin , Zhe Liu , Zhongyu Xia , Xinhao Wang , Yongtao Wang , Shengxiang Qi , Yang Dong , Nan Dong , Le Zhang , Ce Zhu

Bird's-Eye-View (BEV) representation has emerged as a mainstream paradigm for multi-view 3D object detection, demonstrating impressive perceptual capabilities. However, existing methods overlook the geometric quality of BEV representation,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Jinqing Zhang , Yanan Zhang , Yunlong Qi , Zehua Fu , Qingjie Liu , Yunhong Wang

Outside-in multi-camera perception is increasingly important in indoor environments, where networks of static cameras must support multi-target tracking under occlusion and heterogeneous viewpoints. We evaluate Sparse4D, a query-based…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Ethan Anderson , Justin Silva , Kyle Zheng , Sameer Pusegaonkar , Yizhou Wang , Zheng Tang , Sujit Biswas

Detecting 3D objects from multi-view images is a fundamental problem in 3D computer vision. Recently, significant breakthrough has been made in multi-view 3D detection tasks. However, the unprecedented detection performance of these vision…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Linfeng Zhang , Yukang Shi , Hung-Shuo Tai , Zhipeng Zhang , Yuan He , Ke Wang , Kaisheng Ma

Single frame data contains finite information which limits the performance of the existing vision-based multi-camera 3D object detection paradigms. For fundamentally pushing the performance boundary in this area, a novel paradigm dubbed…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Junjie Huang , Guan Huang

In this paper, we focus on the challenging task of monocular 3D lane detection. Previous methods typically adopt inverse perspective mapping (IPM) to transform the Front-Viewed (FV) images or features into the Bird-Eye-Viewed (BEV) space…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Shaofei Huang , Zhenwei Shen , Zehao Huang , Yue Liao , Jizhong Han , Naiyan Wang , Si Liu

Sparse query-based paradigms have achieved significant success in multi-view 3D detection for autonomous vehicles. Current research faces challenges in balancing between enlarging receptive fields and reducing interference when aggregating…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Jiasen Wang , Zhenglin Li , Ke Sun , Xianyuan Liu , Yang Zhou

Vision Transformers (ViTs) enable strong multi-view 3D detection but are limited by high inference latency from dense token and query processing across multiple views and large 3D regions. Existing sparsity methods, designed mainly for 2D…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Sandro Papais , Lezhou Feng , Charles Cossette , Lingting Ge

Multi-sensor modal fusion has demonstrated strong advantages in 3D object detection tasks. However, existing methods that fuse multi-modal features require transforming features into the bird's eye view space and may lose certain…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Chunyong Hu , Hang Zheng , Kun Li , Jianyun Xu , Weibo Mao , Maochun Luo , Lingxuan Wang , Mingxia Chen , Qihao Peng , Kaixuan Liu , Yiru Zhao , Peihan Hao , Minzhe Liu , Kaicheng Yu

3D object detection in Bird's-Eye-View (BEV) space has recently emerged as a prevalent approach in the field of autonomous driving. Despite the demonstrated improvements in accuracy and velocity estimation compared to perspective view…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Yuxin Li , Qiang Han , Mengying Yu , Yuxin Jiang , Chaikiat Yeo , Yiheng Li , Zihang Huang , Nini Liu , Hsuanhan Chen , Xiaojun Wu

Multi-view 3D object detection is a fundamental task in autonomous driving perception, where achieving a balance between detection accuracy and computational efficiency remains crucial. Sparse query-based 3D detectors efficiently aggregate…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Di Wu , Feng Yang , Wenhui Zhao , Jinwen Yu , Pan Liao , Benlian Xu , Dingwen Zhang

In this research, we propose a new 3D object detector with a trustworthy depth estimation, dubbed BEVDepth, for camera-based Bird's-Eye-View (BEV) 3D object detection. Our work is based on a key observation -- depth estimation in recent…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Yinhao Li , Zheng Ge , Guanyi Yu , Jinrong Yang , Zengran Wang , Yukang Shi , Jianjian Sun , Zeming Li

4D radar has received significant attention in autonomous driving thanks to its robustness under adverse weathers. Due to the sparse points and noisy measurements of the 4D radar, most of the research finish the 3D object detection task by…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Hanzhi Zhong , Zhiyu Xiang , Ruoyu Xu , Jingyun Fu , Peng Xu , Shaohong Wang , Zhihao Yang , Tianyu Pu , Eryun Liu

Accurate 3D object detection in autonomous driving is critical yet challenging due to occlusions, varying object sizes, and complex urban environments. This paper introduces the KAN-RCBEVDepth method, an innovative approach aimed at…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Zhihao Lai , Chuanhao Liu , Shihui Sheng , Zhiqiang Zhang

Recently, the rise of query-based Transformer decoders is reshaping camera-based 3D object detection. These query-based decoders are surpassing the traditional dense BEV (Bird's Eye View)-based methods. However, we argue that dense BEV…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Zhenxin Li , Shiyi Lan , Jose M. Alvarez , Zuxuan Wu

4D radar measurements offer an affordable and weather-robust solution for 3D perception. However, the inherent sparsity and noise of radar point clouds present significant challenges for accurate 3D object detection, underscoring the need…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Xiaokai Bai , Jiahao Cheng , Songkai Wang , Yixuan Luo , Lianqing Zheng , Xiaohan Zhang , Si-Yuan Cao , Hui-Liang Shen

State-of-the-art LiDAR-camera 3D object detectors usually focus on feature fusion. However, they neglect the factor of depth while designing the fusion strategy. In this work, we are the first to observe that different modalities play…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Mingqian Ji , Jian Yang , Shanshan Zhang