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相关论文: Point Cloud Generation using Transformer Encoders …

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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

In recent years, point cloud representation has become one of the research hotspots in the field of computer vision, and has been widely used in many fields, such as autonomous driving, virtual reality, robotics, etc. Although deep learning…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Huang Zhang , Changshuo Wang , Shengwei Tian , Baoli Lu , Liping Zhang , Xin Ning , Xiao Bai

As 3D point clouds become the prevailing shape representation in computer vision, generating high-quality point clouds remains a challenging problem. Flow-based models have shown strong potential due to exact likelihood estimation and…

信号处理 · 电气工程与系统科学 2026-03-31 Linhao Wang , Qichang Zhang , Yifan Yang , Ye Su , Hao Wang

A machine learning method to predict steady external fluid flows using elliptic input features is introduced. Using data from as few as one high-fidelity simulation, the proposed method produces models generalizable under changes to…

流体动力学 · 物理学 2025-01-28 Kazuko W. Fuchi , Eric M. Wolf , David S. Makhija , Christopher R. Schrock , Philip S. Beran

Point cloud registration is a fundamental problem in 3D computer vision. In this paper, we cast point cloud registration into a planning problem in reinforcement learning, which can seek the transformation between the source and target…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Haobo Jiang , Jin Xie , Jianjun Qian , Jian Yang

The introduction of cheap RGB-D cameras, stereo cameras, and LIDAR devices has given the computer vision community 3D information that conventional RGB cameras cannot provide. This data is often stored as a point cloud. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2018-10-22 Aleksandr Savchenkov , Andrew Davis , Xuan Zhao

Monte Carlo simulations are a crucial component when analysing the Standard Model and New physics processes at the Large Hadron Collider. This paper aims to explore the performance of generative models for complementing the statistics of…

高能物理 - 唯象学 · 物理学 2024-07-22 Jan Gavranovič , Borut Paul Kerševan

In this work, we propose a novel technique to generate shapes from point cloud data. A point cloud can be viewed as samples from a distribution of 3D points whose density is concentrated near the surface of the shape. Point cloud generation…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Ruojin Cai , Guandao Yang , Hadar Averbuch-Elor , Zekun Hao , Serge Belongie , Noah Snavely , Bharath Hariharan

This paper presents a novel physics-inspired deep learning approach for point cloud processing motivated by the natural flow phenomena in fluid mechanics. Our learning architecture jointly defines data in an Eulerian world space, using a…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Xingzhe He , Helen Lu Cao , Bo Zhu

Transformer plays an increasingly important role in various computer vision areas and remarkable achievements have also been made in point cloud analysis. Since they mainly focus on point-wise transformer, an adaptive channel encoding…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Guoquan Xu , Hezhi Cao , Yifan Zhang , Yanxin Ma , Jianwei Wan , Ke Xu

Detector simulation and reconstruction are a significant computational bottleneck in particle physics. We develop Particle-flow Neural Assisted Simulations (Parnassus) to address this challenge. Our deep learning model takes as input a…

数据分析、统计与概率 · 物理学 2024-11-22 Etienne Dreyer , Eilam Gross , Dmitrii Kobylianskii , Vinicius Mikuni , Benjamin Nachman , Nathalie Soybelman

Point cloud analysis (such as 3D segmentation and detection) is a challenging task, because of not only the irregular geometries of many millions of unordered points, but also the great variations caused by depth, viewpoint, occlusion, etc.…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Tuo Feng , Wenguan Wang , Xiaohan Wang , Yi Yang , Qinghua Zheng

Point clouds data, as one kind of representation of 3D objects, are the most primitive output obtained by 3D sensors. Unlike 2D images, point clouds are disordered and unstructured. Hence it is not straightforward to apply classification…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Zhuyang Xie , Junzhou Chen , Bo Peng

Real-world environment-derived point clouds invariably exhibit noise across varying modalities and intensities. Hence, point cloud denoising (PCD) is essential as a preprocessing step to improve downstream task performance. Deep learning…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Chengwei Zhang , Xueyi Zhang , Mingrui Lao , Tao Jiang , Xinhao Xu , Wenjie Li , Fubo Zhang , Longyong Chen

There are many cases in collider physics and elsewhere where a calibration dataset is used to predict the known physics and / or noise of a target region of phase space. This calibration dataset usually cannot be used out-of-the-box but…

高能物理 - 唯象学 · 物理学 2022-12-14 Radha Mastandrea , Benjamin Nachman

Despite their popularity, to date, the application of normalizing flows on categorical data stays limited. The current practice of using dequantization to map discrete data to a continuous space is inapplicable as categorical data has no…

机器学习 · 计算机科学 2021-01-22 Phillip Lippe , Efstratios Gavves

Learning generative models of 3D point clouds is one of the fundamental problems in 3D generative learning. One of the key properties of point clouds is their permutation invariance, i.e., changing the order of points in a point cloud does…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Ka-Hei Hui , Chao Liu , Xiaohui Zeng , Chi-Wing Fu , Arash Vahdat

Point cloud is one of the widely used techniques for representing and storing 3D geometric data. In the past several methods have been proposed for processing point clouds. Methods such as PointNet and FoldingNet have shown promising…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Prajwal Singh , Kaustubh Sadekar , Shanmuganathan Raman

Semantic segmentation of aerial point cloud data can be utilised to differentiate which points belong to classes such as ground, buildings, or vegetation. Point clouds generated from aerial sensors mounted to drones or planes can utilise…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Matthew Howe , Boris Repasky , Timothy Payne

This work introduces a new task of instance-incremental scene graph generation: Given a scene of the point cloud, representing it as a graph and automatically increasing novel instances. A graph denoting the object layout of the scene is…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Chao Qi , Jianqin Yin , Jinghang Xu , Pengxiang Ding