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We present a convolutional network capable of inferring a 3D representation of a previously unseen object given a single image of this object. Concretely, the network can predict an RGB image and a depth map of the object as seen from an…

计算机视觉与模式识别 · 计算机科学 2016-08-03 Maxim Tatarchenko , Alexey Dosovitskiy , Thomas Brox

The Gaussian diffusion model, initially designed for image generation, has recently been adapted for 3D point cloud generation. However, these adaptations have not fully considered the intrinsic geometric characteristics of 3D shapes,…

图形学 · 计算机科学 2024-08-01 Dengsheng Chen , Jie Hu , Xiaoming Wei , Enhua Wu

We introduce a novel approach to automatic unstructured mesh generation using machine learning to predict an optimal finite element mesh for a previously unseen problem. The framework that we have developed is based around training an…

数值分析 · 数学 2020-04-16 Zheyan Zhang , Yongxing Wang , Peter K. Jimack , He Wang

In this paper, we introduce 3D-GMNet, a deep neural network for 3D object shape reconstruction from a single image. As the name suggests, 3D-GMNet recovers 3D shape as a Gaussian mixture. In contrast to voxels, point clouds, or meshes, a…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Kohei Yamashita , Shohei Nobuhara , Ko Nishino

In healthcare, accurately classifying medical images is vital, but conventional methods often hinge on medical data with a consistent grid structure, which may restrict their overall performance. Recent medical research has been focused on…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Kishore Babu Nampalle , Pradeep Singh , Vivek Narayan Uppala , Sumit Gangwar , Rajesh Singh Negi , Balasubramanian Raman

One challenge that remains open in 3D deep learning is how to efficiently represent 3D data to feed deep networks. Recent works have relied on volumetric or point cloud representations, but such approaches suffer from a number of issues…

计算机视觉与模式识别 · 计算机科学 2019-01-25 Jhony K. Pontes , Chen Kong , Sridha Sridharan , Simon Lucey , Anders Eriksson , Clinton Fookes

Generation of 3D data by deep neural network has been attracting increasing attention in the research community. The majority of extant works resort to regular representations such as volumetric grids or collection of images; however, these…

计算机视觉与模式识别 · 计算机科学 2016-12-08 Haoqiang Fan , Hao Su , Leonidas Guibas

With the rapid advances of image editing techniques in recent years, image manipulation detection has attracted considerable attention since the increasing security risks posed by tampered images. To address these challenges, a novel…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Fengsheng Wang , Leyi Wei

Mesh-free Lagrangian methods are widely used for simulating fluids, solids, and their complex interactions due to their ability to handle large deformations and topological changes. These physics simulators, however, require substantial…

机器学习 · 计算机科学 2025-02-25 Omer Rochman Sharabi , Sacha Lewin , Gilles Louppe

Point cloud registration is a fundamental problem in 3D computer vision, graphics and robotics. For the last few decades, existing registration algorithms have struggled in situations with large transformations, noise, and time constraints.…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Wentao Yuan , Ben Eckart , Kihwan Kim , Varun Jampani , Dieter Fox , Jan Kautz

3D point clouds are often perturbed by noise due to the inherent limitation of acquisition equipments, which obstructs downstream tasks such as surface reconstruction, rendering and so on. Previous works mostly infer the displacement of…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Shitong Luo , Wei Hu

Generating an interpretable and compact representation of 3D shapes from point clouds is an important and challenging problem. This paper presents CSG-Stump Net, an unsupervised end-to-end network for learning shapes from point clouds and…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Daxuan Ren , Jianmin Zheng , Jianfei Cai , Jiatong Li , Haiyong Jiang , Zhongang Cai , Junzhe Zhang , Liang Pan , Mingyuan Zhang , Haiyu Zhao , Shuai Yi

When learning simulations for modeling physical phenomena in industrial designs, geometrical variabilities are of prime interest. While classical regression techniques prove effective for parameterized geometries, practical scenarios often…

机器学习 · 计算机科学 2023-10-24 Fabien Casenave , Brian Staber , Xavier Roynard

Surface reconstruction is a fundamental problem in 3D graphics. In this paper, we propose a learning-based approach for implicit surface reconstruction from raw point clouds without normals. Our method is inspired by Gauss Lemma in…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Dong Xiao , Siyou Lin , Zuoqiang Shi , Bin Wang

Unsupervised Multiplex Graph Learning (UMGL) aims to learn node representations on various edge types without manual labeling. However, existing research overlooks a key factor: the reliability of the graph structure. Real-world data often…

机器学习 · 计算机科学 2024-09-27 Zhixiang Shen , Shuo Wang , Zhao Kang

Single-image point cloud reconstruction must infer complete 3D geometry, including occluded parts, from a single RGB image. While diffusion-based reconstructors achieve high accuracy, they typically require many denoising iterations,…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Yuta Baba , Keiji Yanai

This work presents an accurate and robust method for estimating normals from point clouds. In contrast to predecessor approaches that minimize the deviations between the annotated and the predicted normals directly, leading to direction…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Yingrui Wu , Mingyang Zhao , Keqiang Li , Weize Quan , Tianqi Yu , Jianfeng Yang , Xiaohong Jia , Dong-Ming Yan

Graph Neural Networks (GNNs) have gained significant traction for simulating complex physical systems, with models like MeshGraphNet demonstrating strong performance on unstructured simulation meshes. However, these models face several…

机器学习 · 计算机科学 2024-12-23 Mohammad Amin Nabian , Chang Liu , Rishikesh Ranade , Sanjay Choudhry

Modeling realistic and interactive multi-agent behavior is critical to autonomous driving and traffic simulation. However, existing diffusion and autoregressive approaches are limited by iterative sampling, sequential decoding, or…

机器人学 · 计算机科学 2025-11-24 Zhiyu Huang , Zewei Zhou , Tianhui Cai , Yun Zhang , Jiaqi Ma

The quest for efficient and robust deep learning models for molecular systems representation is increasingly critical in scientific exploration. The advent of message passing neural networks has marked a transformative era in graph-based…

计算物理 · 物理学 2026-01-05 Jian Chang , Shuze Zhu