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Accurate 3D object detection in LiDAR point clouds is crucial for autonomous driving systems. To achieve state-of-the-art performance, the supervised training of detectors requires large amounts of human-annotated data, which is expensive…

计算机视觉与模式识别 · 计算机科学 2024-08-08 Christian Fruhwirth-Reisinger , Wei Lin , Dušan Malić , Horst Bischof , Horst Possegger

Cloud-edge collaboration enhances machine perception by combining the strengths of edge and cloud computing. Edge devices capture raw data (e.g., 3D point clouds) and extract salient features, which are sent to the cloud for deeper analysis…

图像与视频处理 · 电气工程与系统科学 2026-03-05 Chongzhen Tian , Hui Yuan , Pan Zhao , Chang Sun , Raouf Hamzaoui , Sam Kwong

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…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Nawfal Guefrachi , Hakim Ghazzai , Ahmad Alsharoa

In this work, we propose a novel two-stage framework for the efficient 3D point cloud object detection. Instead of transforming point clouds into 2D bird eye view projections, we parse the raw point cloud data directly in the 3D space yet…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Zhaoyu Su , Pin Siang Tan , Yu-Hsing Wang

3D object detection is an important module in autonomous driving and robotics. However, many existing methods focus on using single frames to perform 3D detection, and do not fully utilize information from multiple frames. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Zetong Yang , Yin Zhou , Zhifeng Chen , Jiquan Ngiam

TANet is one of state-of-the-art 3D object detection method on KITTI and JRDB benchmark, the network contains a Triple Attention module and Coarse-to-Fine Regression module to improve the robustness and accuracy of 3D Detection. However,…

计算机视觉与模式识别 · 计算机科学 2021-07-02 Cong Ma

Accurate 3D object detection from point clouds has become a crucial component in autonomous driving. However, the volumetric representations and the projection methods in previous works fail to establish the relationships between the local…

计算机视觉与模式识别 · 计算机科学 2021-12-24 Qingdong He , Zhengning Wang , Hao Zeng , Yi Zeng , Yijun Liu

3D object detection is a critical task in autonomous driving. Recently multi-modal fusion-based 3D object detection methods, which combine the complementary advantages of LiDAR and camera, have shown great performance improvements over…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Hao Liu , Zhuoran Xu , Dan Wang , Baofeng Zhang , Guan Wang , Bo Dong , Xin Wen , Xinyu Xu

In this paper, we propose a graph neural network to detect objects from a LiDAR point cloud. Towards this end, we encode the point cloud efficiently in a fixed radius near-neighbors graph. We design a graph neural network, named Point-GNN,…

计算机视觉与模式识别 · 计算机科学 2020-03-04 Weijing Shi , Ragunathan , Rajkumar

The purpose of this work is to review the state-of-the-art LiDAR-based 3D object detection methods, datasets, and challenges. We describe novel data augmentation methods, sampling strategies, activation functions, attention mechanisms, and…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Walter Zimmer , Emec Ercelik , Xingcheng Zhou , Xavier Jair Diaz Ortiz , Alois Knoll

Three dimensional (3D) object recognition is becoming a key desired capability for many computer vision systems such as autonomous vehicles, service robots and surveillance drones to operate more effectively in unstructured environments.…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Chenxi Xiao , Juan Wachs

Humans are very good at directing their visual attention toward relevant areas when they search for different types of objects. For instance, when we search for cars, we will look at the streets, not at the top of buildings. The motivation…

计算机视觉与模式识别 · 计算机科学 2020-06-12 Hughes Perreault , Guillaume-Alexandre Bilodeau , Nicolas Saunier , Maguelonne Héritier

Detecting 3D objects from point clouds is a practical yet challenging task that has attracted increasing attention recently. In this paper, we propose a Label-Guided auxiliary training method for 3D object detection (LG3D), which serves as…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Yaomin Huang , Xinmei Liu , Yichen Zhu , Zhiyuan Xu , Chaomin Shen , Zhengping Che , Guixu Zhang , Yaxin Peng , Feifei Feng , Jian Tang

An accurate and rapid-response perception system is fundamental for autonomous vehicles to operate safely. 3D object detection methods handle point clouds given by LiDAR sensors to provide accurate depth and position information for each…

机器人学 · 计算机科学 2020-08-04 Guidong Yang , Simone Mentasti , Mattia Bersani , Yafei Wang , Francesco Braghin , Federico Cheli

This study introduces a method for efficiently detecting objects within 3D point clouds using convolutional neural networks (CNNs). Our approach adopts a unique feature-centric voting mechanism to construct convolutional layers that…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Tianyi Lyu , Dian Gu , Peiyuan Chen , Yaoting Jiang , Zhenhong Zhang , Huadong Pang , Li Zhou , Yiping Dong

Currently, existing state-of-the-art 3D object detectors are in two-stage paradigm. These methods typically comprise two steps: 1) Utilize a region proposal network to propose a handful of high-quality proposals in a bottom-up fashion. 2)…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Rui Qian , Xin Lai , Xirong Li

3D point cloud segmentation remains challenging for structureless and textureless regions. We present a new unified point-based framework for 3D point cloud segmentation that effectively optimizes pixel-level features, geometrical…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Hung-Yueh Chiang , Yen-Liang Lin , Yueh-Cheng Liu , Winston H. Hsu

In this paper, we focus on exploring the fusion of images and point clouds for 3D object detection in view of the complementary nature of the two modalities, i.e., images possess more semantic information while point clouds specialize in…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Ming Zhu , Chao Ma , Pan Ji , Xiaokang Yang

Scene flow estimation is the task to predict the point-wise or pixel-wise 3D displacement vector between two consecutive frames of point clouds or images, which has important application in fields such as service robots and autonomous…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Guangming Wang , Yunzhe Hu , Xinrui Wu , Hesheng Wang

Monocular 3D scene understanding tasks, such as object size estimation, heading angle estimation and 3D localization, is challenging. Successful modern day methods for 3D scene understanding require the use of a 3D sensor. On the other…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Xinshuo Weng , Kris Kitani