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相关论文: Explicit Neural Surfaces: Learning Continuous Geom…

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Recent advances in localized implicit functions have enabled neural implicit representation to be scalable to large scenes. However, the regular subdivision of 3D space employed by these approaches fails to take into account the sparsity of…

图形学 · 计算机科学 2021-11-02 Jia-Heng Tang , Weikai Chen , Jie Yang , Bo Wang , Songrun Liu , Bo Yang , Lin Gao

In recent years, the neural implicit surface has emerged as a powerful representation for multi-view surface reconstruction due to its simplicity and state-of-the-art performance. However, reconstructing smooth and detailed surfaces in…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Yuting Xiao , Jingwei Xu , Zehao Yu , Shenghua Gao

We propose a novel framework for the statistical analysis of genus-zero 4D surfaces, i.e., 3D surfaces that deform and evolve over time. This problem is particularly challenging due to the arbitrary parameterizations of these surfaces and…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Awais Nizamani , Hamid Laga , Guanjin Wang , Farid Boussaid , Mohammed Bennamoun , Anuj Srivastava

In recent years, implicit surface representations through neural networks that encode the signed distance have gained popularity and have achieved state-of-the-art results in various tasks (e.g. shape representation, shape reconstruction,…

图形学 · 计算机科学 2023-01-30 Petros Tzathas , Petros Maragos , Anastasios Roussos

Recovering high-quality surfaces from irregular point cloud is ill-posed unless strong geometric priors are available. We introduce an implicit self-prior approach that distills a shape-specific prior directly from the input point cloud…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Kyle Fogarty , Chenyue Cai , Jing Yang , Zhilin Guo , Cengiz Öztireli

Recent developments in mechanical, aerospace, and structural engineering have driven a growing need for efficient ways to model and analyse structures at much larger and more complex scales than before. While established numerical methods…

机器学习 · 计算机科学 2025-07-29 Rui Wu , Nikola Kovachki , Burigede Liu

Reliably reconstructing physical fields from sparse sensor data is a challenge that frequently arises in many scientific domains. In practice, the process generating the data often is not understood to sufficient accuracy. Therefore, there…

机器学习 · 计算机科学 2024-01-23 Xihaier Luo , Wei Xu , Yihui Ren , Shinjae Yoo , Balu Nadiga

This work presents a novel physics-informed deep learning based super-resolution framework to reconstruct high-resolution deformation fields from low-resolution counterparts, obtained from coarse mesh simulations or experiments. We leverage…

机器学习 · 计算机科学 2022-11-24 Rajat Arora

We introduce Einstein Fields, a neural representation designed to compress computationally intensive four-dimensional numerical relativity simulations into compact implicit neural network weights. By modeling the metric, the core tensor…

机器学习 · 计算机科学 2026-02-10 Sandeep Suresh Cranganore , Andrei Bodnar , Arturs Berzins , Johannes Brandstetter

Real-world objects and environments are predominantly composed of edge features, including straight lines and curves. Such edges are crucial elements for various applications, such as CAD modeling, surface meshing, lane mapping, etc.…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Lei Li , Songyou Peng , Zehao Yu , Shaohui Liu , Rémi Pautrat , Xiaochuan Yin , Marc Pollefeys

This paper introduces an accurate edge-based smoothed finite element method (ES-FEM) for electromagnetic analysis for both two dimensional cylindrical and three dimensional cartesian systems, which shows much better performance in terms of…

计算工程、金融与科学 · 计算机科学 2019-10-30 Yangfan Zhang , Pengfei Wang , Wenping Li , Shunchuan Yang

Structured meshes, composed of quadrilateral elements in 2D and hexahedral elements in 3D, are widely used in industrial applications and engineering simulations due to their regularity and superior accuracy in finite element analysis.…

图形学 · 计算机科学 2026-03-16 Xiaoyang Yu , Canjia Huang , Zhonggui Chen , Juan Cao

Recently, neural implicit functions have demonstrated remarkable results in the field of multi-view reconstruction. However, most existing methods are tailored for dense views and exhibit unsatisfactory performance when dealing with sparse…

计算机视觉与模式识别 · 计算机科学 2023-12-25 Han Huang , Yulun Wu , Junsheng Zhou , Ge Gao , Ming Gu , Yu-Shen Liu

Recently, neural implicit surfaces learning by volume rendering has become popular for multi-view reconstruction. However, one key challenge remains: existing approaches lack explicit multi-view geometry constraints, hence usually fail to…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Qiancheng Fu , Qingshan Xu , Yew-Soon Ong , Wenbing Tao

A neural implicit outputs a number indicating whether the given query point in space is inside, outside, or on a surface. Many prior works have focused on _latent-encoded_ neural implicits, where a latent vector encoding of a specific shape…

图形学 · 计算机科学 2021-01-19 Thomas Davies , Derek Nowrouzezahrai , Alec Jacobson

Impressive progress in 3D shape extraction led to representations that can capture object geometries with high fidelity. In parallel, primitive-based methods seek to represent objects as semantically consistent part arrangements. However,…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Despoina Paschalidou , Angelos Katharopoulos , Andreas Geiger , Sanja Fidler

We present ESLAM, an efficient implicit neural representation method for Simultaneous Localization and Mapping (SLAM). ESLAM reads RGB-D frames with unknown camera poses in a sequential manner and incrementally reconstructs the scene…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Mohammad Mahdi Johari , Camilla Carta , François Fleuret

Efficient and fast reconstruction of anatomical structures plays a crucial role in clinical practice. Minimizing retrieval and processing times not only potentially enhances swift response and decision-making in critical scenarios but also…

Accurate representations of 3D faces are of paramount importance in various computer vision and graphics applications. However, the challenges persist due to the limitations imposed by data discretization and model linearity, which hinder…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Mingwu Zheng , Haiyu Zhang , Hongyu Yang , Liming Chen , Di Huang

Learning implicit templates as neural fields has recently shown impressive performance in unsupervised shape correspondence. Despite the success, we observe current approaches, which solely rely on geometric information, often learn…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Sihyeon Kim , Minseok Joo , Jaewon Lee , Juyeon Ko , Juhan Cha , Hyunwoo J. Kim