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Collaborative 3D object detection, with its improved interaction advantage among multiple agents, has been widely explored in autonomous driving. However, existing collaborative 3D object detectors in a fully supervised paradigm heavily…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Yushan Han , Hui Zhang , Honglei Zhang , Yidong Li

Attention-based models have revolutionized AI, but the quadratic cost of self-attention incurs severe computational and memory overhead. Sparse attention methods alleviate this by skipping low-relevance token pairs. However, current…

Hardware Architecture · Computer Science 2026-01-13 Huizheng Wang , Hongbin Wang , Zichuan Wang , Zhiheng Yue , Yang Wang , Chao Li , Yang Hu , Shouyi Yin

3D object detection in point clouds is important for autonomous driving systems. A primary challenge in 3D object detection stems from the sparse distribution of points within the 3D scene. Existing high-performance methods typically employ…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Gang Zhang , Junnan Chen , Guohuan Gao , Jianmin Li , Xiaolin Hu

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

Underwater infrastructure requires frequent inspection and maintenance due to harsh marine conditions. Current reliance on human divers or remotely operated vehicles is limited by perceptual and operational challenges, especially around…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Hongjie Zhang , Gideon Billings , Stefan B. Williams

Point-cloud-based 3D perception has attracted great attention in various applications including robotics, autonomous driving and AR/VR. In particular, the 3D sparse convolution (SpConv) network has emerged as one of the most popular…

Hardware Architecture · Computer Science 2023-08-21 Dongxu Lyu , Zhenyu Li , Yuzhou Chen , Jinming Zhang , Ningyi Xu , Guanghui He

Self-driving cars need to understand 3D scenes efficiently and accurately in order to drive safely. Given the limited hardware resources, existing 3D perception models are not able to recognize small instances (e.g., pedestrians, cyclists)…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Haotian Tang , Zhijian Liu , Shengyu Zhao , Yujun Lin , Ji Lin , Hanrui Wang , Song Han

As the perception range of LiDAR expands, LiDAR-based 3D object detection contributes ever-increasingly to the long-range perception in autonomous driving. Mainstream 3D object detectors often build dense feature maps, where the cost is…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 Lue Fan , Yuxue Yang , Feng Wang , Naiyan Wang , Zhaoxiang Zhang

As a basic component of SE(3)-equivariant deep feature learning, steerable convolution has recently demonstrated its advantages for 3D semantic analysis. The advantages are, however, brought by expensive computations on dense, volumetric…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Jiehong Lin , Hongyang Li , Ke Chen , Jiangbo Lu , Kui Jia

Currently prevalent multimodal 3D detection methods are built upon LiDAR-based detectors that usually use dense Bird's-Eye-View (BEV) feature maps. However, the cost of such BEV feature maps is quadratic to the detection range, making it…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Yingyan Li , Lue Fan , Yang Liu , Zehao Huang , Yuntao Chen , Naiyan Wang , Zhaoxiang Zhang

3D object detection from LiDAR sensor data is an important topic in the context of autonomous cars and drones. In this paper, we present the results of experiments on the impact of backbone selection of a deep convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Konrad Lis , Tomasz Kryjak

As the perception range of LiDAR increases, LiDAR-based 3D object detection becomes a dominant task in the long-range perception task of autonomous driving. The mainstream 3D object detectors usually build dense feature maps in the network…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Lue Fan , Feng Wang , Naiyan Wang , Zhaoxiang Zhang

Real-time and high-performance 3D object detection is of critical importance for autonomous driving. Recent top-performing 3D object detectors mainly rely on point-based or 3D voxel-based convolutions, which are both computationally…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Guangsheng Shi , Ruifeng Li , Chao Ma

Cooperative perception can increase the view field and decrease the occlusion of an ego vehicle, hence improving the perception performance and safety of autonomous driving. Despite the success of previous works on cooperative object…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Yunshuang Yuan , Yan Xia , Daniel Cremers , Monika Sester

Cooperative perception is critical for autonomous driving, overcoming the inherent limitations of a single vehicle, such as occlusions and constrained fields-of-view. However, current approaches sharing dense Bird's-Eye-View (BEV) features…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Jiahao Wang , Zhongwei Jiang , Wenchao Sun , Jiaru Zhong , Haibao Yu , Yuner Zhang , Chenyang Lu , Chuang Zhang , Lei He , Shaobing Xu , Jianqiang Wang

Single stage deep learning algorithm for 2D object detection was made popular by Single Shot MultiBox Detector (SSD) and it was heavily adopted in several embedded applications. PointPillars is a state of the art 3D object detection…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Aniket Limaye , Manu Mathew , Soyeb Nagori , Pramod Kumar Swami , Debapriya Maji , Kumar Desappan

A key challenge for autonomous vehicles is to navigate in unseen dynamic environments. Separating moving objects from static ones is essential for navigation, pose estimation, and understanding how other traffic participants are likely to…

Robotics · Computer Science 2022-06-10 Benedikt Mersch , Xieyuanli Chen , Ignacio Vizzo , Lucas Nunes , Jens Behley , Cyrill Stachniss

3D object detection plays a fundamental role in enabling autonomous driving, which is regarded as the significant key to unlocking the bottleneck of contemporary transportation systems from the perspectives of safety, mobility, and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Zhengwei Bai , Guoyuan Wu , Matthew J. Barth , Yongkang Liu , Emrah Akin Sisbot , Kentaro Oguchi

4D automotive radar is indispensable for autonomous driving due to its low cost and robustness, yet its point cloud sparsity challenges 3D object detection. Existing 4D radar-camera fusion methods focus on complex fusion strategies, trading…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Weiyi Xiong , Bing Zhu

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