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Semantic segmentation of 3D point cloud is an essential task for autonomous driving environment perception. The pipeline of most pointwise point cloud semantic segmentation methods includes points sampling, neighbor searching, feature…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Chuanyu Luo , Xiaohan Li , Nuo Cheng , Han Li , Shengguang Lei , Pu Li

Semantic segmentation of point clouds is an essential task for understanding the environment in autonomous driving and robotics. Recent range-based works achieve real-time efficiency, while point- and voxel-based methods produce better…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Daniel Fusaro , Simone Mosco , Emanuele Menegatti , Alberto Pretto

Moving object segmentation is a crucial task for safe and reliable autonomous mobile systems like self-driving cars, improving the reliability and robustness of subsequent tasks like SLAM or path planning. While the segmentation of camera…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Leon Schwarzer , Matthias Zeller , Daniel Casado Herraez , Simon Dierl , Michael Heidingsfeld , Cyrill Stachniss

Semantic segmentation of LiDAR point clouds is an important task in autonomous driving. However, training deep models via conventional supervised methods requires large datasets which are costly to label. It is critical to have…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Minghua Liu , Yin Zhou , Charles R. Qi , Boqing Gong , Hao Su , Dragomir Anguelov

3D point cloud semantic segmentation aims to group all points into different semantic categories, which benefits important applications such as point cloud scene reconstruction and understanding. Existing supervised point cloud semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Canyu Zhang , Zhenyao Wu , Xinyi Wu , Ziyu Zhao , Song Wang

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

LiDAR point cloud semantic segmentation is essential for interpreting 3D environments in applications such as autonomous driving and robotics. Recent methods achieve strong performance by exploiting different point cloud representations or…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Simone Mosco , Daniel Fusaro , Wanmeng Li , Emanuele Menegatti , Alberto Pretto

Semantic segmentation of 3D point clouds is a challenging problem with numerous real-world applications. While deep learning has revolutionized the field of image semantic segmentation, its impact on point cloud data has been limited so…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Felix Järemo Lawin , Martin Danelljan , Patrik Tosteberg , Goutam Bhat , Fahad Shahbaz Khan , Michael Felsberg

Although LiDAR sensors are crucial for autonomous systems due to providing precise depth information, they struggle with capturing fine object details, especially at a distance, due to sparse and non-uniform data. Recent advances introduced…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Tiago Cortinhal , Idriss Gouigah , Eren Erdal Aksoy

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.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Chenxi Xiao , Juan Wachs

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

Given the prominence of current 3D sensors, a fine-grained analysis on the basic point cloud data is worthy of further investigation. Particularly, real point cloud scenes can intuitively capture complex surroundings in the real world, but…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Shi Qiu , Saeed Anwar , Nick Barnes

High-quality point cloud data is a critical foundation for tasks such as autonomous driving and 3D reconstruction. However, LiDAR-based point cloud acquisition is often affected by various disturbances, resulting in a large number of noise…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Ge Zhang , Chunyang Wang , Bin Liu , Guan Xi

Point cloud segmentation is a fundamental task in 3D. Despite recent progress on point cloud segmentation with the power of deep networks, current deep learning methods based on the clean label assumptions may fail with noisy labels. Yet,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Shuquan Ye , Dongdong Chen , Songfang Han , Jing Liao

Weakly supervised point cloud semantic segmentation methods that require 1\% or fewer labels, hoping to realize almost the same performance as fully supervised approaches, which recently, have attracted extensive research attention. A…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Tianfang Sun , Zhizhong Zhang , Xin Tan , Yanyun Qu , Yuan Xie , Lizhuang Ma

Autonomous vehicles need to have a semantic understanding of the three-dimensional world around them in order to reason about their environment. State of the art methods use deep neural networks to predict semantic classes for each point in…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Larissa T. Triess , David Peter , Christoph B. Rist , J. Marius Zöllner

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…

Image and Video Processing · Electrical Eng. & Systems 2026-03-05 Chongzhen Tian , Hui Yuan , Pan Zhao , Chang Sun , Raouf Hamzaoui , Sam Kwong

It has been well recognized that fusing the complementary information from depth-aware LiDAR point clouds and semantic-rich stereo images would benefit 3D object detection. Nevertheless, it is not trivial to explore the inherently unnatural…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Hanqi Zhu , Jiajun Deng , Yu Zhang , Jianmin Ji , Qiuyu Mao , Houqiang Li , Yanyong Zhang

Point clouds provide intrinsic geometric information and surface context for scene understanding. Existing methods for point cloud segmentation require a large amount of fully labeled data. Using advanced depth sensors, collection of large…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jiacheng Wei , Guosheng Lin , Kim-Hui Yap , Tzu-Yi Hung , Lihua Xie

Recently, many approaches have been proposed through single or multiple representations to improve the performance of point cloud semantic segmentation. However, these works do not maintain a good balance among performance, efficiency, and…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Maosheng Ye , Rui Wan , Shuangjie Xu , Tongyi Cao , Qifeng Chen