中文
相关论文

相关论文: Parallelizable global quasi-conformal parameteriza…

200 篇论文

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

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

This paper presents a method to compute the {\it quasi-conformal parameterization} (QCMC) for a multiply-connected 2D domain or surface. QCMC computes a quasi-conformal map from a multiply-connected domain $S$ onto a punctured disk $D_S$…

计算几何 · 计算机科学 2014-03-27 Kin Tat Ho , Lok Ming Lui

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

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

Surface parameterization plays a fundamental role in many science and engineering problems. In particular, as genus-0 closed surfaces are topologically equivalent to a sphere, many spherical parameterization methods have been developed over…

计算几何 · 计算机科学 2024-03-27 Gary P. T. Choi

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

Tube-like surfaces are widely encountered in geometry processing, engineering structures, and medical anatomy, yet their intrinsic longitudinal and circumferential topology is not well preserved by conventional planar annular or rectangular…

图形学 · 计算机科学 2026-05-19 Shunyu Yao , Gary P. T. Choi

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

The conjugate function method is an algorithm for numerical computation of conformal mappings for simply and multiply connected domains on surfaces. In this paper the conjugate function method, earlier used for simply connected domains, is…

数值分析 · 数学 2026-05-26 H. Hakula , A. Rasila , Y. Zheng

Spectral analysis of open surfaces is gaining momentum for studying surface morphology in engineering, computer graphics, and medical domains. This analysis is enabled using proper parameterization approaches on the target analysis domain.…

计算几何 · 计算机科学 2025-01-03 Gary P. T. Choi , Mahmoud Shaqfa

Most genuine multi-sided surface representations depend on a 2D domain that enables a mapping between local parameters and global coordinates. The shape of this domain ranges from regular polygons to curved configurations, but the simple…

计算几何 · 计算机科学 2023-05-15 Péter Salvi

Many tasks in geometry processing are modeled as variational problems solved numerically using the finite element method. For solid shapes, this requires a volumetric discretization, such as a boundary conforming tetrahedral mesh.…

图形学 · 计算机科学 2018-07-04 Silvia Sellán , Herng Yi Cheng , Yuming Ma , Mitchell Dembowski , Alec Jacobson

We propose a novel way of computing surface folding maps via solving a linear PDE. This framework is a generalization to the existing quasiconformal methods and allows manipulation of the geometry of folding. Moreover, the crucial quantity…

计算几何 · 计算机科学 2019-04-12 Di Qiu , Ka-Chun Lam , Lok-Ming Lui

The simulation of large ensembles of particles is usually parallelized by partitioning the domain spatially and using message passing to communicate between the processes handling neighboring subdomains. The particles are represented as…

分布式、并行与集群计算 · 计算机科学 2018-08-03 Sebastian Eibl , Ulrich Rüde

With the advancement in 3D scanning technology, there has been a surge of interest in the use of point clouds in science and engineering. To facilitate the computations and analyses of point clouds, prior works have considered…

计算几何 · 计算机科学 2021-12-22 Gary P. T. Choi , Yechen Liu , Lok Ming Lui

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

We develop a new optimisation technique that combines multiresolution subdivision surfaces for boundary description with immersed finite elements for the discretisation of the primal and adjoint problems of optimisation. Similar to wavelets…

数值分析 · 数学 2016-01-20 Kosala Bandara , Thomas Rüberg , Fehmi Cirak

Construction of spline surfaces from given boundary curves is one of the classical problems in computer aided geometric design, which regains much attention in isogeometric analysis in recent years and is called domain parameterization.…

计算几何 · 计算机科学 2017-08-07 Maodong Pan , Falai Chen

The Massive Parallel Computation (MPC) model is a theoretical framework for popular parallel and distributed platforms such as MapReduce, Hadoop, or Spark. We consider the task of computing a large matching or small vertex cover in this…

数据结构与算法 · 计算机科学 2018-07-24 Krzysztof Onak
‹ 上一页 1 2 3 10 下一页 ›