Výsledky vyhľadávania - Computational Geometry and Object Modeling-geometric algorithms

A Multiscale Approach to Optimal Transport Autor Merigot, Quentin

“…In this paper, we propose an improvement of an algorithm of Aurenhammer, Hoffmann and Aronov to find a least square matching between a probability density and finite set of sites with mass constraints…”
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Stable Topological Signatures for Points on 3D Shapes Autor Carrière, Mathieu, Oudot, Steve Y., Ovsjanikov, Maks

“… However, the vast majority of these descriptors concentrate on the local geometry of the shape around the point, and thus are insensitive to its connectivity structure…”
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Freeform Honeycomb Structures Autor Jiang, Caigui, Wang, Jun, Wallner, Johannes, Pottmann, Helmut

“…Motivated by requirements of freeform architecture, and inspired by the geometry of hexagonal combs in beehives, this paper addresses torsion…”
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Pattern-Based Quadrangulation for N-Sided Patches Autor Takayama, Kenshi, Panozzo, Daniele, Sorkine-Hornung, Olga

“…We propose an algorithm to quadrangulate an N‐sided patch (2 ≤ N ≤ 6) with prescribed numbers of edge subdivisions at its boundary…”
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Quad-Mesh Generation and Processing: A Survey Autor Bommes, David, Lévy, Bruno, Pietroni, Nico, Puppo, Enrico, Silva, Claudio, Tarini, Marco, Zorin, Denis

“…Triangle meshes have been nearly ubiquitous in computer graphics, and a large body of data structures and geometry processing algorithms based on them has been developed in the literature…”
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Remeshing-assisted Optimization for Locally Injective Mappings Autor Jin, Y., Huang, J., Tong, R.

“…‐free relaxation enhanced geometry optimization, and then use edge‐flip operations to reduce the residual and keep a reasonable condition number for better convergence…”
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Sparse Iterative Closest Point Autor Bouaziz, Sofien, Tagliasacchi, Andrea, Pauly, Mark

“… Most commonly, variants of the Iterative Closest Point (ICP) algorithm are employed for this task…”
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gProximity: Hierarchical GPU-based Operations for Collision and Distance Queries Autor Lauterbach, C., Mo, Q., Manocha, D.

“…We present novel parallel algorithms for collision detection and separation distance computation for rigid and deformable models that exploit the computational capabilities of many‐core GPUs…”
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Guided Mesh Normal Filtering Autor Zhang, Wangyu, Deng, Bailin, Zhang, Juyong, Bouaziz, Sofien, Liu, Ligang

“…The joint bilateral filter is a variant of the standard bilateral filter, where the range kernel is evaluated using a guidance signal instead of the original…”
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Hierarchical Multiview Rigid Registration Autor Tang, Yizhi, Feng, Jieqing

“…Registration is a key step in the 3D reconstruction of real‐world objects. In this paper, we propose a hierarchical method for the rigid registration of multiple views…”
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Inverse Procedural Modeling by Automatic Generation of L-systems Autor Št'ava, O., Beneš, B., Měch, R., Aliaga, D. G., Krištof, P.

“… The algorithm takes as input a 2D vector image that is composed of atomic elements, such as curves and poly‐lines…”
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Shape-Up: Shaping Discrete Geometry with Projections Autor Bouaziz, Sofien, Deuss, Mario, Schwartzburg, Yuliy, Weise, Thibaut, Pauly, Mark

“…We introduce a unified optimization framework for geometry processing based on shape constraints…”
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Efficient Volumetric PolyCube-Map Construction Autor Fu, Xiao-Ming, Bai, Chong-Yang, Liu, Yang

“…PolyCubes provide compact representations for closed complex shapes and are essential to many computer graphics applications. Existing automatic PolyCube…”
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As-Killing-As-Possible Vector Fields for Planar Deformation Autor Solomon, Justin, Ben-Chen, Mirela, Butscher, Adrian, Guibas, Leonidas

“…Cartoon animation, image warping, and several other tasks in two‐dimensional computer graphics reduce to the formulation of a reasonable model for planar…”
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Sets of Globally Optimal Stream Surfaces for Flow Visualization Autor Schulze, M., Esturo, J. Martinez, Günther, T., Rössl, C., Seidel, H.-P., Weinkauf, T., Theisel, H.

“…Stream surfaces are a well‐studied and widely used tool for the visualization of 3D flow fields. Usually, stream surface seeding is carried out manually in…”
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An Algorithm for Random Fractal Filling of Space Autor Shier, John, Bourke, Paul

“…Computational experiments with a simple algorithm show that it is possible to fill any spatial region with a random fractalization of any shape, with a continuous range of pre…”
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On Variational and PDE-Based Distance Function Approximations Autor Belyaev, Alexander G., Fayolle, Pierre-Alain

“…In this paper, we deal with the problem of computing the distance to a surface (a curve in two dimensional) and consider several distance function…”
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Learning 3D Deformation of Animals from 2D Images Autor Kanazawa, Angjoo, Kovalsky, Shahar, Basri, Ronen, Jacobs, David

“…Understanding how an animal can deform and articulate is essential for a realistic modification of its 3D model. In this paper, we show that such information…”
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Computing Extremal Quasiconformal Maps Autor Weber, Ofir, Myles, Ashish, Zorin, Denis

“…Conformal maps are widely used in geometry processing applications. They are smooth, preserve angles, and are locally injective by construction…”
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Mesh Snapping: Robust Interactive Mesh Cutting Using Fast Geodesic Curvature Flow Autor Zhang, Juyong, Wu, Chunlin, Cai, Jianfei, Zheng, Jianmin, Tai, Xue-cheng

“…This paper considers the problem of interactively finding the cutting contour to extract components from a given mesh. Some existing methods support cuts of…”
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