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We introduce Neural Marching Cubes (NMC), a data-driven approach for extracting a triangle mesh from a discretized implicit field. Classical MC is defined by coarse tessellation templates isolated to individual cubes. While more refined…

图形学 · 计算机科学 2021-09-14 Zhiqin Chen , Hao Zhang

Neural signed distance functions (SDFs) have shown remarkable capability in representing geometry with details. However, without signed distance supervision, it is still a challenge to infer SDFs from point clouds or multi-view images using…

计算机视觉与模式识别 · 计算机科学 2023-05-22 Baorui Ma , Junsheng Zhou , Yu-Shen Liu , Zhizhong Han

The inverse design of metamaterial architectures presents a significant challenge, particularly for nonlinear mechanical properties involving large deformations, buckling, contact, and plasticity. Traditional methods, such as gradient-based…

计算物理 · 物理学 2025-05-29 Qibang Liu , Seid Koric , Diab Abueidda , Hadi Meidani , Philippe Geubelle

Accurate surface estimation is critical for downstream tasks in scientific simulation, and quantifying uncertainty in implicit neural 3D representations still remains a substantial challenge due to computational inefficiencies, scalability…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Rushil Desai

We present a novel deep learning-based approach to the 3D reconstruction of clothed humans using weak supervision via 2D normal maps. Given a single RGB image or multiview images, our network infers a signed distance function (SDF)…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Jane Wu , Diego Thomas , Ronald Fedkiw

Neural surfaces learning has shown impressive performance in multi-view surface reconstruction. However, most existing methods use large multilayer perceptrons (MLPs) to train their models from scratch, resulting in hours of training for a…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Jianyao Xu , Qingshan Xu , Xinyao Liao , Wanjuan Su , Chen Zhang , Yew-Soon Ong , Wenbing Tao

It is vital to infer a signed distance function (SDF) in multi-view based surface reconstruction. 3D Gaussian splatting (3DGS) provides a novel perspective for volume rendering, and shows advantages in rendering efficiency and quality.…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Wenyuan Zhang , Yu-Shen Liu , Zhizhong Han

Accurate surface geometry representation is crucial in 3D visual computing. Explicit representations, such as polygonal meshes, and implicit representations, like signed distance functions, each have distinct advantages, making efficient…

图形学 · 计算机科学 2025-09-26 Christian Stippel , Felix Mujkanovic , Thomas Leimkühler , Pedro Hermosilla

Segmentation of medical images constitutes an essential component of medical image analysis, providing the foundation for precise diagnosis and efficient therapeutic interventions in clinical practices. Despite substantial progress, most…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Muzammal Shafique , Nasir Rahim , Jamil Ahmad , Mohammad Siadat , Khalid Malik , Ghaus Malik

Medical image segmentation plays an important role in accurately identifying and isolating regions of interest within medical images. Generative approaches are particularly effective in modeling the statistical properties of segmentation…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Lea Bogensperger , Dominik Narnhofer , Alexander Falk , Konrad Schindler , Thomas Pock

We present iSDF, a continual learning system for real-time signed distance field (SDF) reconstruction. Given a stream of posed depth images from a moving camera, it trains a randomly initialised neural network to map input 3D coordinate to…

机器人学 · 计算机科学 2022-05-05 Joseph Ortiz , Alexander Clegg , Jing Dong , Edgar Sucar , David Novotny , Michael Zollhoefer , Mustafa Mukadam

Neural signed distance functions (SDFs) are emerging as an effective representation for 3D shapes. State-of-the-art methods typically encode the SDF with a large, fixed-size neural network to approximate complex shapes with implicit…

计算机视觉与模式识别 · 计算机科学 2021-01-27 Towaki Takikawa , Joey Litalien , Kangxue Yin , Karsten Kreis , Charles Loop , Derek Nowrouzezahrai , Alec Jacobson , Morgan McGuire , Sanja Fidler

We propose SDFDiff, a novel approach for image-based shape optimization using differentiable rendering of 3D shapes represented by signed distance functions (SDFs). Compared to other representations, SDFs have the advantage that they can…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Yue Jiang , Dantong Ji , Zhizhong Han , Matthias Zwicker

Surface reconstruction from multi-view images is a core challenge in 3D vision. Recent studies have explored signed distance fields (SDF) within Neural Radiance Fields (NeRF) to achieve high-fidelity surface reconstructions. However, these…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Baixin Xu , Jiangbei Hu , Jiaze Li , Ying He

We present NeCGS, the first neural compression paradigm, which can compress a geometry set encompassing thousands of detailed and diverse 3D mesh models by up to 900 times with high accuracy and preservation of detailed geometric…

计算几何 · 计算机科学 2025-06-27 Siyu Ren , Junhui Hou , Weiyao Lin , Wenping Wang

Previous efforts have managed to generate production-ready 3D assets from text or images. However, these methods primarily employ NeRF or 3D Gaussian representations, which are not adept at producing smooth, high-quality geometries required…

图形学 · 计算机科学 2024-10-15 Rengan Xie , Wenting Zheng , Kai Huang , Yizheng Chen , Qi Wang , Qi Ye , Wei Chen , Yuchi Huo

Neural implicit functions have recently shown promising results on surface reconstructions from multiple views. However, current methods still suffer from excessive time complexity and poor robustness when reconstructing unbounded or…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Jingyang Zhang , Yao Yao , Shiwei Li , Tian Fang , David McKinnon , Yanghai Tsin , Long Quan

To acquire a snapshot spectral image, coded aperture snapshot spectral imaging (CASSI) is proposed. A core problem of the CASSI system is to recover the reliable and fine underlying 3D spectral cube from the 2D measurement. By alternately…

图像与视频处理 · 电气工程与系统科学 2023-11-16 Yubo Dong , Dahua Gao , Tian Qiu , Yuyan Li , Minxi Yang , Guangming Shi

Steel wire ropes (SWRs) are critical load-bearing components in industrial applications, yet their structural integrity is often compromised by local flaws (LFs). Magnetic Flux Leakage (MFL) is a widely used non-destructive testing method…

信号处理 · 电气工程与系统科学 2025-04-16 Siyu You , Leilei Yang , Zixu Kuang , Huayi Gou , Longlong Zhang , Zhiliang Liu

Neural implicit surface reconstruction with signed distance function has made significant progress, but recovering fine details such as thin structures and complex geometries remains challenging due to unreliable or noisy geometric priors.…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Qiyu Feng , Jiwei Shan , Shing Shin Cheng , Hesheng Wang