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Remarkable performance from Transformer networks in Natural Language Processing promote the development of these models in dealing with computer vision tasks such as image recognition and segmentation. In this paper, we introduce a novel…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Qi Zhong , Xian-Feng Han

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

Point clouds are an increasingly relevant data type but they are often corrupted by noise. We propose a deep neural network based on graph-convolutional layers that can elegantly deal with the permutation-invariance problem encountered by…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Francesca Pistilli , Giulia Fracastoro , Diego Valsesia , Enrico Magli

This paper aims to accelerate the test-time computation of deep convolutional neural networks (CNNs). Unlike existing methods that are designed for approximating linear filters or linear responses, our method takes the nonlinear units into…

计算机视觉与模式识别 · 计算机科学 2014-11-18 Xiangyu Zhang , Jianhua Zou , Xiang Ming , Kaiming He , Jian Sun

Point clouds are a basic data type that is increasingly of interest as 3D content becomes more ubiquitous. Applications using point clouds include virtual, augmented, and mixed reality and autonomous driving. We propose a more efficient…

计算机视觉与模式识别 · 计算机科学 2021-06-04 Ryan Killea , Yun Li , Saeed Bastani , Paul McLachlan

Following the advent of immersive technologies and the increasing interest in representing interactive geometrical format, 3D Point Clouds (PC) have emerged as a promising solution and effective means to display 3D visual information. In…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Marouane Tliba , Aladine Chetouani , Giuseppe Valenzise , Frederic Dufaux

This paper introduces Point-GN, a novel non-parametric network for efficient and accurate 3D point cloud classification. Unlike conventional deep learning models that rely on a large number of trainable parameters, Point-GN leverages…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Marzieh Mohammadi , Amir Salarpour

Point cloud completion is a vital task focused on reconstructing complete point clouds and addressing the incompleteness caused by occlusion and limited sensor resolution. Traditional methods relying on fixed local region partitioning, such…

图形学 · 计算机科学 2025-09-30 Zhenyu Shu , Jian Yao , Shiqing Xin

The ability to predict future structure features of environments based on past perception information is extremely needed by autonomous vehicles, which helps to make the following decision-making and path planning more reasonable. Recently,…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Zhen Luo , Junyi Ma , Zijie Zhou , Guangming Xiong

This paper presents a novel end-to-end Learned Point Cloud Geometry Compression (a.k.a., Learned-PCGC) framework, to efficiently compress the point cloud geometry (PCG) using deep neural networks (DNN) based variational autoencoders (VAE).…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Jianqiang Wang , Hao Zhu , Zhan Ma , Tong Chen , Haojie Liu , Qiu Shen

In this paper, we aim at improving the computational efficiency of graph convolutional networks (GCNs) for learning on point clouds. The basic graph convolution that is typically composed of a $K$-nearest neighbor (KNN) search and a…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Yawei Li , He Chen , Zhaopeng Cui , Radu Timofte , Marc Pollefeys , Gregory Chirikjian , Luc Van Gool

In this paper, we explore point-cloud based deep learning models to analyze numerical simulations arising from finite element analysis. The objective is to classify automatically the results of the simulations without tedious human…

数值分析 · 数学 2022-11-21 Meduri Venkata Shivaditya , Francesca Bugiotti , Frederic Magoules

This paper introduces a novel network architecture for the classification of large-scale point clouds. The network is used to classify metadata from cuneiform tablets. As more than half a million tablets remain unprocessed, this can help…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Frederik Hagelskjaer

We propose a novel deep learning model named ACLNet, for cloud segmentation from ground images. ACLNet uses both deep neural network and machine learning (ML) algorithm to extract complementary features. Specifically, it uses…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Dhruv Makwana , Subhrajit Nag , Onkar Susladkar , Gayatri Deshmukh , Sai Chandra Teja R , Sparsh Mittal , C Krishna Mohan

While several convolution-like operators have recently been proposed for extracting features out of point clouds, down-sampling an unordered point cloud in a deep neural network has not been rigorously studied. Existing methods down-sample…

计算机视觉与模式识别 · 计算机科学 2020-05-27 Ehsan Nezhadarya , Ehsan Taghavi , Ryan Razani , Bingbing Liu , Jun Luo

Following the tremendous success of transformer in natural language processing and image understanding tasks, in this paper, we present a novel point cloud representation learning architecture, named Dual Transformer Network (DTNet), which…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Xian-Feng Han , Yi-Fei Jin , Hui-Xian Cheng , Guo-Qiang Xiao

Point cloud based retrieval for place recognition is still a challenging problem due to drastic appearance and illumination changes of scenes in changing environments. Existing deep learning based global descriptors for the retrieval task…

计算机视觉与模式识别 · 计算机科学 2022-02-09 Le Hui , Mingmei Cheng , Jin Xie , Jian Yang

As the basic task of point cloud analysis, classification is fundamental but always challenging. To address some unsolved problems of existing methods, we propose a network that captures geometric features of point clouds for better…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Shi Qiu , Saeed Anwar , Nick Barnes

PointNet has revolutionized how we think about representing point clouds. For classification and segmentation tasks, the approach and its subsequent extensions are state-of-the-art. To date, the successful application of PointNet to point…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Yasuhiro Aoki , Hunter Goforth , Rangaprasad Arun Srivatsan , Simon Lucey

Self-attention mechanism recently achieves impressive advancement in Natural Language Processing (NLP) and Image Processing domains. And its permutation invariance property makes it ideally suitable for point cloud processing. Inspired by…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Xian-Feng Han , Zhang-Yue He , Jia Chen , Guo-Qiang Xiao