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We study the problem of semantic segmentation of large-scale 3D point clouds. In recent years, significant research efforts have been directed toward local feature aggregation, improved loss functions and sampling strategies. While the…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Ziyin Zeng , Qingyong Hu , Zhong Xie , Jian Zhou , Yongyang Xu

Ground segmentation in point cloud data is the process of separating ground points from non-ground points. This task is fundamental for perception in autonomous driving and robotics, where safety and reliable operation depend on the precise…

机器人学 · 计算机科学 2026-03-05 Muhammad Haider Khan Lodhi , Christoph Hertzberg

In this paper, we propose a point cloud classification method based on graph neural network and manifold learning. Different from the conventional point cloud analysis methods, this paper uses manifold learning algorithms to embed point…

计算机视觉与模式识别 · 计算机科学 2020-10-19 Dinghao Yang , Wei Gao

Reticular structures form the backbone of major infrastructure like bridges, pylons, and airports, but their inspection and maintenance are costly and hazardous, often requiring human intervention. While prior research has focused on fault…

The field of autonomous driving technology is rapidly advancing, with deep learning being a key component. Particularly in the field of sensing, 3D point cloud data collected by LiDAR is utilized to run deep neural network models for 3D…

分布式、并行与集群计算 · 计算机科学 2025-11-05 Taisuke Noguchi , Takuya Azumi

In the field of Connectomics, a primary problem is that of 3D neuron segmentation. Although deep learning-based methods have achieved remarkable accuracy, errors still exist, especially in regions with image defects. One common type of…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Jules Berman , Dmitri B. Chklovskii , Jingpeng Wu

Environmental information can provide reliable prior information about human motion intent, which can aid the subject with wearable robotics to walk in complex environments. Previous researchers have utilized 1D signal and 2D images to…

计算机视觉与模式识别 · 计算机科学 2019-03-22 Kuangen Zhang , Jing Wang , Chenglong Fu

We introduce an end-to-end learnable technique to robustly identify feature edges in 3D point cloud data. We represent these edges as a collection of parametric curves (i.e.,lines, circles, and B-splines). Accordingly, our deep neural…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Xiaogang Wang , Yuelang Xu , Kai Xu , Andrea Tagliasacchi , Bin Zhou , Ali Mahdavi-Amiri , Hao Zhang

This paper investigates one of the most fundamental computer vision problems: image segmentation. We propose a supervised hierarchical approach to object-independent image segmentation. Starting with over-segmenting superpixels, we use a…

计算机视觉与模式识别 · 计算机科学 2016-08-16 Ting Liu , Mojtaba Seyedhosseini , Tolga Tasdizen

We propose an octree guided neural network architecture and spherical convolutional kernel for machine learning from arbitrary 3D point clouds. The network architecture capitalizes on the sparse nature of irregular point clouds, and…

计算机视觉与模式识别 · 计算机科学 2019-03-04 Huan Lei , Naveed Akhtar , Ajmal Mian

We propose a novel 3D segmentation method for RBGD stream data to deal with 3D object segmentation task in a generic scenario with frequent object interactions. It mainly contributes in two aspects, while being generic and not requiring…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Xiao Lin , Josep R. Casas , Montse Pardàs

LiDAR (Light Detection and Ranging) has become an essential part of the remote sensing toolbox used for biosphere monitoring. In particular, LiDAR provides the opportunity to map forest leaf area with unprecedented accuracy, while leaf area…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Yuchen Bai , Jean-Baptiste Durand , Grégoire Vincent , Florence Forbes

3D generative shape modeling is a fundamental research area in computer vision and interactive computer graphics, with many real-world applications. This paper investigates the novel problem of generating 3D shape point cloud geometry from…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Kaichun Mo , He Wang , Xinchen Yan , Leonidas J. Guibas

Numerous prior studies predominantly emphasize constructing relation vectors for individual neighborhood points and generating dynamic kernels for each vector and embedding these into high-dimensional spaces to capture implicit local…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Shuofeng Sun , Yongming Rao , Jiwen Lu , Haibin Yan

LiDAR panoptic segmentation is a newly proposed technical task for autonomous driving. In contrast to popular end-to-end deep learning solutions, we propose a hybrid method with an existing semantic segmentation network to extract semantic…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Yiming Zhao , Xiao Zhang , Xinming Huang

The precise characterization of plant morphology provides valuable insights into plant environment interactions and genetic evolution. A key technology for extracting this information is 3D segmentation, which delineates individual plant…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Ruiming Du , Guangxun Zhai , Tian Qiu , Yu Jiang

In this paper, we propose a novel joint instance and semantic segmentation approach, which is called JSNet, in order to address the instance and semantic segmentation of 3D point clouds simultaneously. Firstly, we build an effective…

计算机视觉与模式识别 · 计算机科学 2019-12-23 Lin Zhao , Wenbing Tao

Point cloud completion is a generation and estimation issue derived from the partial point clouds, which plays a vital role in the applications in 3D computer vision. The progress of deep learning (DL) has impressively improved the…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Ben Fei , Weidong Yang , Wenming Chen , Zhijun Li , Yikang Li , Tao Ma , Xing Hu , Lipeng Ma

The digital factory provides undoubtedly a great potential for future production systems in terms of efficiency and effectivity. A key aspect on the way to realize the digital copy of a real factory is the understanding of complex indoor…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Christina Petschnigg , Juergen Pilz

LiDAR point clouds contain measurements of complicated natural scenes and can be used to update digital elevation models, glacial monitoring, detecting faults and measuring uplift detecting, forest inventory, detect shoreline and beach…

计算机视觉与模式识别 · 计算机科学 2021-01-26 F. Patricia Medina , Randy Paffenroth