English
Related papers

Related papers: Data-Efficient Point Cloud Semantic Segmentation P…

200 papers

We present a novel attention-based mechanism to learn enhanced point features for point cloud processing tasks, e.g., classification and segmentation. Unlike prior works, which were trained to optimize the weights of a pre-selected set of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Liqiang Lin , Pengdi Huang , Chi-Wing Fu , Kai Xu , Hao Zhang , Hui Huang

The manual annotation for large-scale point clouds costs a lot of time and is usually unavailable in harsh real-world scenarios. Inspired by the great success of the pre-training and fine-tuning paradigm in both vision and language tasks,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Chao Sun , Zhedong Zheng , Xiaohan Wang , Mingliang Xu , Yi Yang

Extracting high-level structural information from 3D point clouds is challenging but essential for tasks like urban planning or autonomous driving requiring an advanced understanding of the scene at hand. Existing approaches are still not…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Lukas Bode , Michael Weinmann , Reinhard Klein

We propose a novel normal estimation method called HSurf-Net, which can accurately predict normals from point clouds with noise and density variations. Previous methods focus on learning point weights to fit neighborhoods into a geometric…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Qing Li , Yu-Shen Liu , Jin-San Cheng , Cheng Wang , Yi Fang , Zhizhong Han

Road detection and segmentation is a crucial task in computer vision for safe autonomous driving. With this in mind, a new net architecture (3D-DEEP) and its end-to-end training methodology for CNN-based semantic segmentation are described…

Computer Vision and Pattern Recognition · Computer Science 2021-01-28 A. Hernández , S. Woo , H. Corrales , I. Parra , E. Kim , D. F. Llorca , M. A. Sotelo

Autonomous driving is the key technology of intelligent logistics in Industrial Internet of Things (IIoT). In autonomous driving, the appearance of incomplete point clouds losing geometric and semantic information is inevitable owing to…

Machine Learning · Computer Science 2023-07-19 Jingzhi Tu , Gang Mei , Francesco Piccialli

In recent years, point cloud normal estimation, as a classical and foundational algorithm, has garnered extensive attention in the field of 3D geometric processing. Despite the remarkable performance achieved by current Neural Network-based…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Jun Zhou , Yaoshun Li , Hongchen Tan , Mingjie Wang , Nannan Li , Xiuping Liu

This paper investigates indoor point cloud semantic segmentation under scene-level annotation, which is less explored compared to methods relying on sparse point-level labels. In the absence of precise point-level labels, current methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Lunhao Duan , Shanshan Zhao , Xingxing Weng , Jing Zhang , Gui-Song Xia

Vegetation is crucial for sustainable and resilient cities providing various ecosystem services and well-being of humans. However, vegetation is under critical stress with rapid urbanization and expanding infrastructure footprints.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Aditya Aditya , Bharat Lohani , Jagannath Aryal , Stephan Winter

LiDAR's dense, sharp point cloud (PC) representations of the surrounding environment enable accurate perception and significantly improve road safety by offering greater scene awareness and understanding. However, LiDAR's high cost…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 William Muckelroy , Mohammed Alsakabi , John Dolan , Ozan Tonguz

Feedforward fully convolutional neural networks currently dominate in semantic segmentation of 3D point clouds. Despite their great success, they suffer from the loss of local information at low-level layers, posing significant challenges…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Shenglan Du , Nail Ibrahimli , Jantien Stoter , Julian Kooij , Liangliang Nan

Point cloud completion aims to predict complete shape from its partial observation. Current approaches mainly consist of generation and refinement stages in a coarse-to-fine style. However, the generation stage often lacks robustness to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Mingye Xu , Yali Wang , Yihao Liu , Tong He , Yu Qiao

Semantic Segmentation is a crucial component in the perception systems of many applications, such as robotics and autonomous driving that rely on accurate environmental perception and understanding. In literature, several approaches are…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Ran Cheng , Ryan Razani , Yuan Ren , Liu Bingbing

We propose a novel, conceptually simple and general framework for instance segmentation on 3D point clouds. Our method, called 3D-BoNet, follows the simple design philosophy of per-point multilayer perceptrons (MLPs). The framework directly…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Bo Yang , Jianan Wang , Ronald Clark , Qingyong Hu , Sen Wang , Andrew Markham , Niki Trigoni

In this study, we present an analysis of model-based ensemble learning for 3D point-cloud object classification and detection. An ensemble of multiple model instances is known to outperform a single model instance, but there is little study…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Daniel Koguciuk , Łukasz Chechliński , Tarek El-Gaaly

In this paper, we propose a novel learning-based pipeline for partially overlapping 3D point cloud registration. The proposed model includes an iterative distance-aware similarity matrix convolution module to incorporate information from…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Jiahao Li , Changhao Zhang , Ziyao Xu , Hangning Zhou , Chi Zhang

Point cloud datasets for perception tasks in the context of autonomous driving often rely on high resolution 64-layer Light Detection and Ranging (LIDAR) scanners. They are expensive to deploy on real-world autonomous driving sensor…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Leonardo Gigli , B Ravi Kiran , Thomas Paul , Andres Serna , Nagarjuna Vemuri , Beatriz Marcotegui , Santiago Velasco-Forero

With the proliferation of Lidar sensors and 3D vision cameras, 3D point cloud analysis has attracted significant attention in recent years. After the success of the pioneer work PointNet, deep learning-based methods have been increasingly…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Jiajing Chen , Burak Kakillioglu , Senem Velipasalar

Nowadays, pre-training big models on large-scale datasets has become a crucial topic in deep learning. The pre-trained models with high representation ability and transferability achieve a great success and dominate many downstream tasks in…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Ziyi Wang , Xumin Yu , Yongming Rao , Jie Zhou , Jiwen Lu

Many point-based semantic segmentation methods have been designed for indoor scenarios, but they struggle if they are applied to point clouds that are captured by a LiDAR sensor in an outdoor environment. In order to make these methods more…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Shijie Li , Yun Liu , Juergen Gall