中文
相关论文

相关论文: Iterative Poisson Surface Reconstruction (iPSR) fo…

200 篇论文

Poisson's equation plays an important role in modeling many physical systems. In electrostatic self-consistent low-temperature plasma (LTP) simulations, Poisson's equation is solved at each simulation time step, which can amount to a…

计算物理 · 物理学 2024-09-18 Ihda Chaerony Siffa , Markus M. Becker , Klaus-Dieter Weltmann , Jan Trieschmann

In application of tomography imaging, limited-angle problem is a quite practical and important issue. In this paper, an iterative reprojection-reconstruction (IRR) algorithm using a modified Papoulis-Gerchberg (PG) iterative scheme is…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Yuli Sun , Jinxu Tao , Conggui Liu

Non-Rigid Structure-from-Motion (NRSfM) reconstructs a deformable 3D object from the correspondences established between monocular 2D images. Current NRSfM methods lack statistical robustness, which is the ability to cope with…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Shaifali Parashar , Adrien Bartoli , Daniel Pizarro

Reconstructing translucent objects from multi-view images is a difficult problem. Previously, researchers have used differentiable path tracing and the neural implicit field, which require relatively large computational costs. Recently,…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Youwen Yuan , Xi Zhao

We propose a new operator-sketching paradigm for designing efficient iterative data-driven reconstruction (IDR) schemes, e.g. Plug-and-Play algorithms and deep unrolling networks. These IDR schemes are currently the state-of-the-art…

图像与视频处理 · 电气工程与系统科学 2024-12-06 Junqi Tang , Guixian Xu , Subhadip Mukherjee , Carola-Bibiane Schönlieb

Video super-resolution reconstruction (SRR) algorithms attempt to reconstruct high-resolution (HR) video sequences from low-resolution observations. Although recent progress in video SRR has significantly improved the quality of the…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Ricardo Augusto Borsoi

We present a novel sparse signal reconstruction method "ISD", aiming to achieve fast reconstruction and a reduced requirement on the number of measurements compared to the classical l_1 minimization approach. ISD addresses failed…

信息论 · 计算机科学 2015-11-23 Yilun Wang , Wotao Yin

Phase-shifting profilometry (PSP) enables high-accuracy 3D reconstruction but remains highly susceptible to object motion. Although numerous studies have explored compensation for motion-induced errors, residual inaccuracies still persist,…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Geyou Zhang , Kai Liu , Ao Li , Ce Zhu

Photoacoustic imaging (PAI) suffers from inherent limitations that can degrade the quality of reconstructed results, such as noise, artifacts and incomplete data acquisition caused by sparse sampling or partial array detection. In this…

光学 · 物理学 2025-01-07 Yu Zhang , Shuang Li , Yibing Wang , Yu Sun , Wenyi Xiang

Accurate geometric surface reconstruction, providing essential environmental information for navigation and manipulation tasks, is critical for enabling robotic self-exploration and interaction. Recently, 3D Gaussian Splatting (3DGS) has…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Tengfei Wang , Xin Wang , Yongmao Hou , Zhaoning Zhang , Yiwei Xu , Zongqian Zhan

Iterative phase retrieval algorithms are widely used in digital optics for their efficiency and simplicity. Conventionally, these algorithms do not consider aberrations as they assume an ideal, aberration-free optical system. Here, we…

光学 · 物理学 2025-02-10 Dylan Brault , Corinne Fournier , Tatiana Latychevskaia

We present a novel approach for generating isotropic surface triangle meshes directly from unoriented 3D point clouds, with the mesh density adapting to the estimated local feature size (LFS). Popular reconstruction pipelines first…

图形学 · 计算机科学 2025-04-24 Rao Fu , Kai Hormann , Pierre Alliez

Dense matching methods like DUSt3R regress pairwise pointmaps for 3D reconstruction. However, the reliance on pairwise prediction and the limited generalization capability inherently restrict the global geometric consistency. In this work,…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Yuheng Yuan , Qiuhong Shen , Shizun Wang , Xingyi Yang , Xinchao Wang

This paper proposes a new two-step procedure for sparse-view tomographic image reconstruction. It is called RISING, since it combines an early-stopped Rapid Iterative Solver with a subsequent Iteration Network-based Gaining step. So far,…

数值分析 · 数学 2022-01-25 Davide Evangelista , Elena Morotti , Elena Loli Piccolomini

Iterative refinement (IR) is a popular scheme for solving a linear system of equations based on gradually improving the accuracy of an initial approximation. Originally developed to improve upon the accuracy of Gaussian elimination,…

数值分析 · 数学 2025-06-24 Chai Wah Wu , Mark S. Squillante , Vasileios Kalantzis , Lior Horesh

Generalizable 3D object reconstruction from single-view RGB-D images remains a challenging task, particularly with real-world data. Current state-of-the-art methods develop Transformer-based implicit field learning, necessitating an…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Yushuang Wu , Luyue Shi , Junhao Cai , Weihao Yuan , Lingteng Qiu , Zilong Dong , Liefeng Bo , Shuguang Cui , Xiaoguang Han

A novel approach to unstructured quadrilateral mesh generation for planar domains is presented. Away from irregular vertices, the resulting meshes have the properties of nearly conformal grids. The technique is based on a theoretical…

计算物理 · 物理学 2008-02-19 Guy Bunin

Despite the growing demand for accurate surface normal estimation models, existing methods use general-purpose dense prediction models, adopting the same inductive biases as other tasks. In this paper, we discuss the inductive biases needed…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Gwangbin Bae , Andrew J. Davison

Accurate reconstruction of reflective surfaces remains a fundamental challenge in computer vision, with broad applications in real-time virtual reality and digital content creation. Although 3D Gaussian Splatting (3DGS) enables efficient…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Yufei Han , Chu Zhou , Youwei Lyu , Qi Chen , Si Li , Boxin Shi , Yunpeng Jia , Heng Guo , Zhanyu Ma

In this work, a simple and effective robust adaptive beamforming technique is proposed for uniform linear arrays, which is based on the power spectral estimation and uncertainty region (PSEUR) of the interference plus noise (IPN)…

网络与互联网体系结构 · 计算机科学 2023-04-21 S. Mohammadzadeh , V. H. Nascimento , R. C. de Lamare , O. Kukrer