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Related papers: PC-RGNN: Point Cloud Completion and Graph Neural N…

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Point cloud completion is the task of predicting complete geometry from partial observations using a point set representation for a 3D shape. Previous approaches propose neural networks to directly estimate the whole point cloud through…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Alexis Mendoza , Alexander Apaza , Ivan Sipiran , Cristian Lopez

Image-based 3D object detection is an inevitable part of autonomous driving because cheap onboard cameras are already available in most modern cars. Because of the accurate depth information, currently, most state-of-the-art 3D object…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Hendrik Königshof , Kun Li , Christoph Stiller

With the rapid advancement of 3D sensing technologies, obtaining 3D shape information of objects has become increasingly convenient. Lidar technology, with its capability to accurately capture the 3D information of objects at long…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Weixiao Gao , Ravi Peters , Jantien Stoter

In autonomous driving, 3D object detection based on multi-modal data has become an indispensable approach when facing complex environments around the vehicle. During multi-modal detection, LiDAR and camera are simultaneously applied for…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Rui Wan , Tianyun Zhao , Wei Zhao

LiDAR-based 3D object detection pushes forward an immense influence on autonomous vehicles. Due to the limitation of the intrinsic properties of LiDAR, fewer points are collected at the objects farther away from the sensor. This imbalanced…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Ziyu Li , Yuncong Yao , Zhibin Quan , Wankou Yang , Jin Xie

In recent times, the scope of LIDAR (Light Detection and Ranging) sensor-based technology has spread across numerous fields. It is popularly used to map terrain and navigation information into reliable 3D point cloud data, potentially…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Aakash Kumar , Jyoti Kini , Mubarak Shah , Ajmal Mian

In 2D image processing, some attempts decompose images into high and low frequency components for describing edge and smooth parts respectively. Similarly, the contour and flat area of 3D objects, such as the boundary and seat area of a…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Mutian Xu , Junhao Zhang , Zhipeng Zhou , Mingye Xu , Xiaojuan Qi , Yu Qiao

Three-dimensional (3D) point cloud analysis has become one of the attractive subjects in realistic imaging and machine visions due to its simplicity, flexibility and powerful capacity of visualization. Actually, the representation of scenes…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Omar Elharrouss , Kawther Hassine , Ayman Zayyan , Zakariyae Chatri , Noor almaadeed , Somaya Al-Maadeed , Khalid Abualsaud

Steering estimation is a critical task in autonomous driving, traditionally relying on 2D image-based models. In this work, we explore the advantages of incorporating 3D spatial information through hybrid architectures that combine 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Fouad Makiyeh , Huy-Dung Nguyen , Patrick Chareyre , Ramin Hasani , Marc Blanchon , Daniela Rus

Semantic parsing of large-scale 3D point clouds is an important research topic in computer vision and remote sensing fields. Most existing approaches utilize hand-crafted features for each modality independently and combine them in a…

Computer Vision and Pattern Recognition · Computer Science 2017-07-24 Fangyu Liu , Shuaipeng Li , Liqiang Zhang , Chenghu Zhou , Rongtian Ye , Yuebin Wang , Jiwen Lu

Recent machine learning-based multi-object tracking (MOT) frameworks are becoming popular for 3-D point clouds. Most traditional tracking approaches use filters (e.g., Kalman filter or particle filter) to predict object locations in a time…

Computer Vision and Pattern Recognition · Computer Science 2020-02-27 Sukai Wang , Yuxiang Sun , Chengju Liu , Ming Liu

When localizing and detecting 3D objects for autonomous driving scenes, obtaining information from multiple sensor (e.g. camera, LIDAR) typically increases the robustness of 3D detectors. However, the efficient and effective fusion of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

In this paper, we propose a monocular 3D object detection framework in the domain of autonomous driving. Unlike previous image-based methods which focus on RGB feature extracted from 2D images, our method solves this problem in the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Xinzhu Ma , Zhihui Wang , Haojie Li , Pengbo Zhang , Xin Fan , Wanli Ouyang

3D object detection using LiDAR point clouds is a fundamental task in the fields of computer vision, robotics, and autonomous driving. However, existing 3D detectors heavily rely on annotated datasets, which are both time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Yiming Shan , Yan Xia , Yuhong Chen , Daniel Cremers

Point cloud completion aims to recover complete 3D geometry from partial observations caused by limited viewpoints and occlusions. Existing learning-based works, including 3D Convolutional Neural Network (CNN)-based, point-based, and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Jiangyuan Liu , Yuhao Zhao , Hongxuan Ma , Zhe Liu , Jian Wang , Wei Zou

Inspired by recent improvements in point cloud processing for autonomous navigation, we focus on using hierarchical graph neural networks for processing and feature learning over large-scale outdoor LiDAR point clouds. We observe that…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Arulmolivarman Thieshanthan , Amashi Niwarthana , Pamuditha Somarathne , Tharindu Wickremasinghe , Ranga Rodrigo

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…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Qingdong He , Zhengning Wang , Hao Zeng , Yi Zeng , Yijun Liu

Detecting pedestrians is a crucial task in autonomous driving systems to ensure the safety of drivers and pedestrians. The technologies involved in these algorithms must be precise and reliable, regardless of environment conditions. Relying…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Òscar Lorente , Josep R. Casas , Santiago Royo , Ivan Caminal

We introduce Patch Refinement a two-stage model for accurate 3D object detection and localization from point cloud data. Patch Refinement is composed of two independently trained Voxelnet-based networks, a Region Proposal Network (RPN) and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Johannes Lehner , Andreas Mitterecker , Thomas Adler , Markus Hofmarcher , Bernhard Nessler , Sepp Hochreiter

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