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相关论文: PointODE: Lightweight Point Cloud Learning with Ne…

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This paper presents a neural network for robust normal estimation on point clouds, named AdaFit, that can deal with point clouds with noise and density variations. Existing works use a network to learn point-wise weights for weighted least…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Runsong Zhu , Yuan Liu , Zhen Dong , Tengping Jiang , Yuan Wang , Wenping Wang , Bisheng Yang

Over the last decade, the demand for better segmentation and classification algorithms in 3D spaces has significantly grown due to the popularity of new 3D sensor technologies and advancements in the field of robotics. Point-clouds are one…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Felipe Gomez Marulanda , Pieter Libin , Timothy Verstraeten , Ann Nowé

Solving partial differential equations (PDEs) by numerical methods meet computational cost challenge for getting the accurate solution since fine grids and small time steps are required. Machine learning can accelerate this process, but…

数值分析 · 数学 2025-01-28 Qi Wang , Yuan Mi , Haoyun Wang , Yi Zhang , Ruizhi Chengze , Hongsheng Liu , Ji-Rong Wen , Hao Sun

Ground segmentation of point clouds remains challenging because of the sparse and unordered data structure. This paper proposes the GSECnet - Ground Segmentation network for Edge Computing, an efficient ground segmentation framework of…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Dong He , Jie Cheng , Jong-Hwan Kim

When trained as generative models, Deep Learning algorithms have shown exceptional performance on tasks involving high dimensional data such as image denoising and super-resolution. In an increasingly connected world dominated by mobile and…

分布式、并行与集群计算 · 计算机科学 2021-03-10 Ian Colbert , Jake Daly , Ken Kreutz-Delgado , Srinjoy Das

Increasing the layer number of on-chip photonic neural networks (PNNs) is essential to improve its model performance. However, the successively cascading of network hidden layers results in larger integrated photonic chip areas. To address…

机器学习 · 计算机科学 2023-02-08 Yun Zhao , Hang Chen , Min Lin , Haiou Zhang , Tao Yan , Xing Lin , Ruqi Huang , Qionghai Dai

In recent years, deep learning-based point cloud normal estimation has made great progress. However, existing methods mainly rely on the PCPNet dataset, leading to overfitting. In addition, the correlation between point clouds with…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Wei Jin , Jun Zhou , Nannan Li , Haba Madeline , Xiuping Liu

Modern neural architectures for 3D point cloud processing contain both convolutional layers and attention blocks, but the best way to assemble them remains unclear. We analyse the role of different computational blocks in 3D point cloud…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Yuanwen Yue , Damien Robert , Jianyuan Wang , Sunghwan Hong , Jan Dirk Wegner , Christian Rupprecht , Konrad Schindler

Point cloud normal estimation is a fundamental task in 3D geometry processing. While recent learning-based methods achieve notable advancements in normal prediction, they often overlook the critical aspect of equivariance. This results in…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Hanxiao Wang , Mingyang Zhao , Weize Quan , Zhen Chen , Dong-ming Yan , Peter Wonka

In this case study, we present a data-efficient point cloud segmentation pipeline and training framework for robust segmentation of unimproved roads and seven other classes. Our method employs a two-stage training framework: first, a…

图像与视频处理 · 电气工程与系统科学 2025-08-29 Andrew Yarovoi , Christopher R. Valenta

Semi-supervised anomaly detection is an approach to identify anomalies by learning the distribution of normal data. Backpropagation neural networks (i.e., BP-NNs) based approaches have recently drawn attention because of their good…

机器学习 · 计算机科学 2020-02-04 Mineto Tsukada , Masaaki Kondo , Hiroki Matsutani

This paper focuses on a novel approach for false-positive reduction (FPR) of nodule candidates in Computer-aided detection (CADe) systems following the suspicious lesions detection stage. Contrary to typical decisions in medical image…

图像与视频处理 · 电气工程与系统科学 2021-06-11 Ivan Drokin , Elena Ericheva

The reconstruction of real-world surfaces is on high demand in various applications. Most existing reconstruction approaches apply 3D scanners for creating point clouds which are generally sparse and of low density. These points clouds will…

计算机视觉与模式识别 · 计算机科学 2021-03-01 Rajat Sharma , Tobias Schwandt , Christian Kunert , Steffen Urban , Wolfgang Broll

The ubiquitous use of IoT and machine learning applications is creating large amounts of data that require accurate and real-time processing. Although edge-based smart data processing can be enabled by deploying pretrained models, the…

机器学习 · 计算机科学 2021-09-15 Yinghan Long , Indranil Chakraborty , Gopalakrishnan Srinivasan , Kaushik Roy

Technology to recognize the type of component represented by a point cloud is required in the reconstruction process of an as-built model of a process plant based on laser scanning. The reconstruction process of a process plant through…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Hyungki Kim , Duhwan Mun

In recent years, the challenge of 3D shape analysis within point cloud data has gathered significant attention in computer vision. Addressing the complexities of effective 3D information representation and meaningful feature extraction for…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Md Meraz , Md Afzal Ansari , Mohammed Javed , Pavan Chakraborty

The PointHop method was recently proposed by Zhang et al. for 3D point cloud classification with unsupervised feature extraction. It has an extremely low training complexity while achieving state-of-the-art classification performance. In…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Min Zhang , Yifan Wang , Pranav Kadam , Shan Liu , C. -C. Jay Kuo

Significant progress has been made recently in point cloud segmentation utilizing an encoder-decoder framework, which initially encodes point clouds into low-resolution representations and subsequently decodes high-resolution predictions.…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Haibo Qiu , Baosheng Yu , Yixin Chen , Dacheng Tao

In this paper, we propose Attention Based Decomposition Network (ABD-Net), for point cloud decomposition into basic geometric shapes namely, plane, sphere, cone and cylinder. We show improved performance of 3D object classification using…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Siddharth Katageri , Shashidhar V Kudari , Akshaykumar Gunari , Ramesh Ashok Tabib , Uma Mudenagudi

PointNet has recently emerged as a popular representation for unstructured point cloud data, allowing application of deep learning to tasks such as object detection, segmentation and shape completion. However, recent works in literature…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Vinit Sarode , Xueqian Li , Hunter Goforth , Yasuhiro Aoki , Rangaprasad Arun Srivatsan , Simon Lucey , Howie Choset