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Segmenting thin structures like infrastructure cracks and anatomical vessels is a task hampered by topology-sensitive geometry, high annotation costs, and poor generalization across domains. Existing methods address these challenges in…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Babak Asadi , Peiyang Wu , Mani Golparvar-Fard , Viraj Shah , Ramez Hajj

We propose a new tetrahedral meshing method, fTetWild, to convert triangle soups into high-quality tetrahedral meshes. Our method builds on the TetWild algorithm, replacing the rational triangle insertion with a new incremental approach to…

图形学 · 计算机科学 2022-02-04 Yixin Hu , Teseo Schneider , Bolun Wang , Denis Zorin , Daniele Panozzo

Neural networks that map 3D coordinates to signed distance function (SDF) or occupancy values have enabled high-fidelity implicit representations of object shape. This paper develops a new shape model that allows synthesizing novel distance…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Ehsan Zobeidi , Nikolay Atanasov

Multimodal evidence is critical in computational pathology: gigapixel whole slide images capture tumor morphology, while patient-level clinical descriptors preserve complementary context for prognosis. Integrating such heterogeneous signals…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Chengying She , Chengwei Chen , Xinran Zhang , Ben Wang , Lizhuang Liu , Chengwei Shao , Yun Bian

Parametric feature grid encodings have gained significant attention as an encoding approach for neural fields since they allow for much smaller MLPs, which significantly decreases the inference time of the models. In this work, we propose…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Mihir Mahajan , Florian Hofherr , Daniel Cremers

Signed distance fields (SDFs) are a widely used implicit surface representation, with broad applications in computer graphics, computer vision, and applied mathematics. To reconstruct an explicit triangle mesh surface corresponding to an…

图形学 · 计算机科学 2023-08-22 Silvia Sellán , Christopher Batty , Oded Stein

It is vital to infer signed distance functions (SDFs) from 3D point clouds. The latest methods rely on generalizing the priors learned from large scale supervision. However, the learned priors do not generalize well to various geometric…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Chao Chen , Yu-Shen Liu , Zhizhong Han

Given a tetrahedral mesh and objective functionals measuring the mesh quality which take into account the shape, size, and orientation of the mesh elements, our aim is to improve the mesh quality as much as possible. In this paper, we…

数值分析 · 数学 2018-06-29 Franco Dassi , Lennard Kamenski , Patricio Farrell , Hang Si

3D representation is essential to the significant advance of 3D generation with 2D diffusion priors. As a flexible representation, NeRF has been first adopted for 3D representation. With density-based volumetric rendering, it however…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Chun Gu , Zeyu Yang , Zijie Pan , Xiatian Zhu , Li Zhang

This paper examines Mixed-Integer Multi-Level problems with Sequential Followers (MIMLSF), a specialized optimization model aimed at enhancing upper-level decision-making by incorporating anticipated outcomes from lower-level sequential…

最优化与控制 · 数学 2025-02-28 Yuxin Xia , Iacopo Savelli , Thomas Morstyn

The ability to predict patient-specific soft tissue deformations is key for computer-integrated surgery systems and the core enabling technology for a new era of personalized medicine. Element-Free Galerkin (EFG) methods are better suited…

Surface comparison and matching is a challenging problem in computer vision. While reparametrization-invariant Sobolev metrics provide meaningful elastic distances and point correspondences via the geodesic boundary value problem, solving…

计算机视觉与模式识别 · 计算机科学 2021-06-11 Martin Bauer , Nicolas Charon , Philipp Harms , Hsi-Wei Hsieh

Recent point-based differentiable rendering techniques have achieved significant success in high-fidelity reconstruction and fast rendering. However, due to the unstructured nature of point-based representations, they are difficult to apply…

图形学 · 计算机科学 2025-08-12 Kaiwen Song , Jinkai Cui , Zherui Qiu , Juyong Zhang

Deep unfolding networks have gained increasing attention in the field of compressed sensing (CS) owing to their theoretical interpretability and superior reconstruction performance. However, most existing deep unfolding methods often face…

图像与视频处理 · 电气工程与系统科学 2025-04-17 Kai Han , Jin Wang , Yunhui Shi , Hanqin Cai , Nam Ling , Baocai Yin

Many deep learning based methods are designed to remove non-uniform (spatially variant) motion blur caused by object motion and camera shake without knowing the blur kernel. Some methods directly output the latent sharp image in one stage,…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Dong Huo , Abbas Masoumzadeh , Yee-Hong Yang

3D point cloud anomaly detection is essential for robust vision systems but is challenged by pose variations and complex geometric anomalies. Existing patch-based methods often suffer from geometric fidelity issues due to discrete…

计算机视觉与模式识别 · 计算机科学 2025-12-18 Bozhong Zheng , Jinye Gan , Xiaohao Xu , Xintao Chen , Wenqiao Li , Xiaonan Huang , Na Ni , Yingna Wu

Computer graphics, 3D computer vision and robotics communities have produced multiple approaches to representing 3D geometry for rendering and reconstruction. These provide trade-offs across fidelity, efficiency and compression…

计算机视觉与模式识别 · 计算机科学 2019-01-17 Jeong Joon Park , Peter Florence , Julian Straub , Richard Newcombe , Steven Lovegrove

Optimal extraction is a key step in processing the raw images of spectra as registered by two-dimensional detector arrays to a one-dimensional format. Previously reported algorithms reconstruct models for a mean one-dimensional spatial…

天体物理仪器与方法 · 物理学 2015-06-18 M. Zechmeister , G. Anglada-Escudé , A. Reiners

Learning-based single image super-resolution (SISR) methods are continuously showing superior effectiveness and efficiency over traditional model-based methods, largely due to the end-to-end training. However, different from model-based…

图像与视频处理 · 电气工程与系统科学 2020-03-24 Kai Zhang , Luc Van Gool , Radu Timofte

Implicit Neural Representations have gained prominence as a powerful framework for capturing complex data modalities, encompassing a wide range from 3D shapes to images and audio. Within the realm of 3D shape representation, Neural Signed…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Amine Ouasfi , Adnane Boukhayma