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3D object detection with multi-sensors is essential for an accurate and reliable perception system of autonomous driving and robotics. Existing 3D detectors significantly improve the accuracy by adopting a two-stage paradigm which merely…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Xinli Xu , Shaocong Dong , Lihe Ding , Jie Wang , Tingfa Xu , Jianan Li

Existing LiDAR-based 3D object detection methods for autonomous driving scenarios mainly adopt the training-from-scratch paradigm. Unfortunately, this paradigm heavily relies on large-scale labeled data, whose collection can be expensive…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Zhiwei Lin , Yongtao Wang , Shengxiang Qi , Nan Dong , Ming-Hsuan Yang

Lidar based 3D object detection and classification tasks are essential for autonomous driving(AD). A lidar sensor can provide the 3D point cloud data reconstruction of the surrounding environment. However, real time detection in 3D point…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Xuanyu Yin , Yoko Sasaki , Weimin Wang , Kentaro Shimizu

Existing point-cloud based 3D object detectors use convolution-like operators to process information in a local neighbourhood with fixed-weight kernels and aggregate global context hierarchically. However, non-local neural networks and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Prarthana Bhattacharyya , Chengjie Huang , Krzysztof Czarnecki

LiDAR datasets for autonomous driving exhibit biases in properties such as point cloud density, range, and object dimensions. As a result, object detection networks trained and evaluated in different environments often experience…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Deepti Hegde , Suhas Lohit , Kuan-Chuan Peng , Michael J. Jones , Vishal M. Patel

Three-dimensional Object Detection from multi-view cameras and LiDAR is a crucial component for autonomous driving and smart transportation. However, in the process of basic feature extraction, perspective transformation, and feature…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Zhongyu Xia , Hansong Yang , Yongtao Wang

3D object detection based on LiDAR-camera fusion is becoming an emerging research theme for autonomous driving. However, it has been surprisingly difficult to effectively fuse both modalities without information loss and interference. To…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Guojun Wang , Bin Tian , Yachen Zhang , Long Chen , Dongpu Cao , Jian Wu

Lidars and cameras play essential roles in autonomous driving, offering complementary information for 3D detection. The state-of-the-art fusion methods integrate them at the feature level, but they mostly rely on the learned soft…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Zixuan Yin , Han Sun , Ningzhong Liu , Huiyu Zhou , Jiaquan Shen

Accurate detection of objects in 3D point clouds is a key problem in autonomous driving systems. Collaborative perception can incorporate information from spatially diverse sensors and provide significant benefits for improving the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Junyong Wang , Yuan Zeng , Yi Gong

Feature learning for 3D object detection from point clouds is very challenging due to the irregularity of 3D point cloud data. In this paper, we propose Pointformer, a Transformer backbone designed for 3D point clouds to learn features…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Xuran Pan , Zhuofan Xia , Shiji Song , Li Erran Li , Gao Huang

Object detection is a significant field in autonomous driving. Popular sensors for this task include cameras and LiDAR sensors. LiDAR sensors offer several advantages, such as insensitivity to light changes, like in a dark setting and the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Itay Krispin-Avraham , Roy Orfaig , Ben-Zion Bobrovsky

Seamless integration of virtual and physical worlds in augmented reality benefits from the system semantically "understanding" the physical environment. AR research has long focused on the potential of context awareness, demonstrating novel…

Human-Computer Interaction · Computer Science 2024-10-08 Chengyuan Xu , Radha Kumaran , Noah Stier , Kangyou Yu , Tobias Höllerer

Camera and radar sensors have significant advantages in cost, reliability, and maintenance compared to LiDAR. Existing fusion methods often fuse the outputs of single modalities at the result-level, called the late fusion strategy. This can…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Youngseok Kim , Sanmin Kim , Jun Won Choi , Dongsuk Kum

3D object detection based on LiDAR point clouds is a crucial module in autonomous driving particularly for long range sensing. Most of the research is focused on achieving higher accuracy and these models are not optimized for deployment on…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Sambit Mohapatra , Senthil Yogamani , Heinrich Gotzig , Stefan Milz , Patrick Mader

The 3D object detection capabilities in urban environments have been enormously improved by recent developments in Light Detection and Range (LiDAR) technology. This paper presents a novel framework that transforms the detection and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Nawfal Guefrachi , Hakim Ghazzai , Ahmad Alsharoa

4D millimeter-wave radar has emerged as a promising sensing modality for autonomous driving due to its robustness and affordability. However, its sparse and weak geometric cues make reliable instance activation difficult, limiting the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Xiaokai Bai , Lianqing Zheng , Si-Yuan Cao , Xiaohan Zhang , Zhe Wu , Beinan Yu , Fang Wang , Jie Bai , Hui-Liang Shen

Light Detection And Ranging (LiDAR) has been widely used in autonomous vehicles for perception and localization. However, the cost of a high-resolution LiDAR is still prohibitively expensive, while its low-resolution counterpart is much…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Lin Bai , Yiming Zhao , Xinming Huang

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

Accurate 3D bird's-eye view (BEV) object detection is essential for autonomous driving, and depends strongly on effective multimodal representations from complementary sensors such as cameras and LiDAR. Multimodal masked autoencoders have…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Prabuddhi Wariyapperuma , Rajitha de Silva , Marc Hanheide , Thomas Bohné , Leonardo Guevara

3D object detection serves as the core basis of the perception tasks in autonomous driving. Recent years have seen the rapid progress of multi-modal fusion strategies for more robust and accurate 3D object detection. However, current…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Bingqi Shen , Shuwei Dai , Yuyin Chen , Rong Xiong , Yue Wang , Yanmei Jiao