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相关论文: A Novel Algorithm for Periodic Conformal Flattenin…

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The parameterization of closed surfaces typically requires either multiple charts or a non-planar domain to achieve a seamless global mapping. In this paper, we propose a numerical framework for the seamless parameterization of genus-zero…

数值分析 · 数学 2025-09-29 Shu-Yung Liu , Mei-Heng Yueh

Surface parameterization is widely used in computer graphics and geometry processing. It simplifies challenging tasks such as surface registrations, morphing, remeshing and texture mapping. In this paper, we present an efficient algorithm…

计算几何 · 计算机科学 2020-02-10 Gary Pui-Tung Choi , Lok Ming Lui

In this work, we are concerned with the spherical quasiconformal parameterization of genus-0 closed surfaces. Given a genus-0 closed triangulated surface and an arbitrary user-defined quasiconformal distortion, we propose a fast algorithm…

计算几何 · 计算机科学 2020-02-10 Gary Pui-Tung Choi , Mandy Hiu-Ying Man , Lok Ming Lui

A conformal flattening maps a curved surface to the plane without distorting angles---such maps have become a fundamental building block for problems in geometry processing, numerical simulation, and computational design. Yet existing…

图形学 · 计算机科学 2018-01-30 Rohan Sawhney , Keenan Crane

Conformal mapping, a classical topic in complex analysis and differential geometry, has become a subject of great interest in the area of surface parameterization in recent decades with various applications in science and engineering.…

图形学 · 计算机科学 2021-04-23 Gary P. T. Choi

Surface parameterizations have been widely used in computer graphics and geometry processing. In particular, as simply-connected open surfaces are conformally equivalent to the unit disk, it is desirable to compute the disk conformal…

计算几何 · 计算机科学 2020-02-10 Pui Tung Choi , Lok Ming Lui

Conformal energy minimization is an efficient approach to compute conformal parameterization. In this paper, we develop a stable algorithm to compute conformal parameterization of simply connected open surface, termed Stable Discrete…

数值分析 · 数学 2022-10-18 Zhong-Heng Tan , Zhenyue Zhang

Conformal surface parameterization is useful in graphics, imaging and visualization, with applications to texture mapping, atlas construction, registration, remeshing and so on. With the increasing capability in scanning and storing data,…

计算几何 · 计算机科学 2020-07-06 Gary P. T. Choi , Yusan Leung-Liu , Xianfeng Gu , Lok Ming Lui

An algorithm for the computation of global discrete conformal parametrizations with prescribed global holonomy signatures for triangle meshes was recently described in [Campen and Zorin 2017]. In this paper we provide a detailed analysis of…

图形学 · 计算机科学 2017-05-09 Marcel Campen , Denis Zorin

This paper proposes a novel method for computing bijective density-equalizing quasiconformal (DEQ) flattening maps for multiply-connected open surfaces. In conventional density-equalizing maps, shape deformations are solely driven by…

计算几何 · 计算机科学 2024-04-01 Zhiyuan Lyu , Gary P. T. Choi , Lok Ming Lui

In the present paper, an integrated paradigm for topology optimization on complex surfaces with arbitrary genus is proposed. The approach is constructed based on the two-dimensional (2D) Moving Morphable Component (MMC) framework, where a…

最优化与控制 · 数学 2022-02-03 Wendong Huo , Chang Liu , Zongliang Du , Xudong Jiang , Zhengyu Liu , Xu Guo

A Frontal-Delaunay refinement algorithm for mesh generation in piecewise smooth domains is described. Built using a restricted Delaunay framework, this new algorithm combines a number of novel features, including: (i) an unweighted,…

计算几何 · 计算机科学 2016-07-27 Darren Engwirda

Surface parameterization is a fundamental task in geometry processing and plays an important role in many science and engineering applications. In recent years, the density-equalizing map, a shape deformation technique based on the physical…

图形学 · 计算机科学 2026-04-20 Zhiyuan Lyu , Lok Ming Lui , Gary P. T. Choi

Point cloud is the most fundamental representation of 3D geometric objects. Analyzing and processing point cloud surfaces is important in computer graphics and computer vision. However, most of the existing algorithms for surface analysis…

计算几何 · 计算机科学 2020-02-10 Gary Pui-Tung Choi , Kin Tat Ho , Lok Ming Lui

Surface parameterization is a fundamental concept in fields such as differential geometry and computer graphics. It involves mapping a surface in three-dimensional space onto a two-dimensional parameter space. This process allows for the…

数值分析 · 数学 2024-12-16 Shu-Yung Liu , Mei-Heng Yueh

Density-equalizing maps are a class of mapping methods in which the shape deformation is driven by prescribed density information. In recent years, they have been widely used for data visualization on planar domains and planar…

图形学 · 计算机科学 2025-01-03 Zhiyuan Lyu , Lok Ming Lui , Gary P. T. Choi

Graph coarsening is a widely used dimensionality reduction technique for approaching large-scale graph machine learning problems. Given a large graph, graph coarsening aims to learn a smaller-tractable graph while preserving the properties…

机器学习 · 统计学 2022-10-04 Manoj Kumar , Anurag Sharma , Sandeep Kumar

An extension of the restricted Delaunay-refinement algorithm for surface mesh generation is described, where a new point-placement scheme is introduced to improve element quality in the presence of mesh size constraints. Specifically, it is…

计算几何 · 计算机科学 2016-06-28 Darren Engwirda , David Ivers

In this paper, we introduce a definition of discrete conformality for triangulated surfaces with flat cone metrics and describe an algorithm for solving the problem of prescribing curvature, that is to deform the metric discrete conformally…

计算几何 · 计算机科学 2014-12-23 Jian Sun , Tianqi Wu , Xianfeng Gu , Feng Luo

We introduce a conceptually simple and efficient algorithm for seamless parametrization, a key element in constructing quad layouts and texture charts on surfaces. More specifically, we consider the construction of parametrizations with…

图形学 · 计算机科学 2024-08-01 Ryan Capouellez , Denis Zorin
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