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Tim Ophelders
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Journal Articles
- 2023
- [j9]Kevin Buchin, William S. Evans, Fabrizio Frati, Irina Kostitsyna, Maarten Löffler, Tim Ophelders, Alexander Wolff:
Morphing Planar Graph Drawings Through 3D. Comput. Geom. Topol. 2(1): 5:1-5:18 (2023) - [j8]Kevin Buchin
, Maarten Löffler, Tim Ophelders, Aleksandr Popov
, Jérôme Urhausen, Kevin Verbeek
:
Computing the Fréchet distance between uncertain curves in one dimension. Comput. Geom. 109: 101923 (2023) - 2022
- [j7]Marc J. van Kreveld
, Tillmann Miltzow, Tim Ophelders, Willem Sonke, Jordi L. Vermeulen
:
Between shapes, using the Hausdorff distance. Comput. Geom. 100: 101817 (2022) - 2021
- [j6]Tim Ophelders, Roel Lambers
, Frits C. R. Spieksma
, Tjark Vredeveld
:
A note on equitable Hamiltonian cycles. Discret. Appl. Math. 303: 127-136 (2021) - 2020
- [j5]Jean-Lou De Carufel, Adrian Dumitrescu, Wouter Meulemans, Tim Ophelders, Claire Pennarun, Csaba D. Tóth, Sander Verdonschot:
Convex polygons in cartesian products. J. Comput. Geom. 11(2): 205-233 (2020) - 2019
- [j4]Maarten Kleinhans
, Marc J. van Kreveld
, Tim Ophelders, Willem Sonke
, Bettina Speckmann
, Kevin Verbeek
:
Computing representative networks for braided rivers. J. Comput. Geom. 10(1): 423-443 (2019) - 2018
- [j3]Kevin Buchin
, Tim Ophelders, Bettina Speckmann
:
Computing the similarity between moving curves. Comput. Geom. 73: 2-14 (2018) - [j2]Marzio De Biasi
, Tim Ophelders:
The complexity of snake and undirected NCL variants. Theor. Comput. Sci. 748: 55-65 (2018) - 2017
- [j1]Maximilian Konzack, Thomas J. McKetterick, Tim Ophelders, Maike Buchin
, Luca Giuggioli
, Jed A. Long
, Trisalyn A. Nelson
, Michel A. Westenberg, Kevin Buchin
:
Visual analytics of delays and interaction in movement data. Int. J. Geogr. Inf. Sci. 31(2): 320-345 (2017)
Conference and Workshop Papers
- 2024
- [c27]Thijs van der Horst
, Tim Ophelders:
Faster Fréchet Distance Approximation Through Truncated Smoothing. SoCG 2024: 63:1-63:15 - [c26]Irina Kostitsyna, Tim Ophelders, Irene Parada, Tom Peters, Willem Sonke, Bettina Speckmann:
Optimal In-Place Compaction of Sliding Cubes (Media Exposition). SoCG 2024: 89:1-89:4 - [c25]Irina Kostitsyna, Tim Ophelders, Irene Parada, Tom Peters, Willem Sonke, Bettina Speckmann:
Optimal In-Place Compaction of Sliding Cubes. SWAT 2024: 31:1-31:14 - 2023
- [c24]Maarten Löffler, Tim Ophelders, Rodrigo I. Silveira
, Frank Staals:
Shortest Paths in Portalgons. SoCG 2023: 48:1-48:16 - [c23]Thijs van der Horst
, Marc J. van Kreveld
, Tim Ophelders, Bettina Speckmann:
A Subquadratic nε-approximation for the Continuous Fréchet Distance. SODA 2023: 1759-1776 - [c22]Kevin Buchin
, William S. Evans, Fabrizio Frati
, Irina Kostitsyna
, Maarten Löffler, Tim Ophelders
, Alexander Wolff
:
Morphing Planar Graph Drawings Through 3D. SOFSEM 2023: 80-95 - 2022
- [c21]Tim Ophelders, Salman Parsa:
Minimum Height Drawings of Ordered Trees in Polynomial Time: Homotopy Height of Tree Duals. SoCG 2022: 55:1-55:16 - [c20]Maike Buchin, Ivor van der Hoog
, Tim Ophelders, Lena Schlipf, Rodrigo I. Silveira, Frank Staals:
Efficient Fréchet Distance Queries for Segments. ESA 2022: 29:1-29:14 - 2021
- [c19]Erin Wolf Chambers
, Elizabeth Munch
, Tim Ophelders:
A Family of Metrics from the Truncated Smoothing of Reeb Graphs. SoCG 2021: 22:1-22:17 - [c18]Tim Ophelders, Ignaz Rutter, Bettina Speckmann, Kevin Verbeek
:
Polygon-Universal Graphs. SoCG 2021: 55:1-55:15 - [c17]Marc J. van Kreveld
, Tim Ophelders, Willem Sonke, Bettina Speckmann, Kevin Verbeek
:
Volume from Outlines on Terrains. GIScience (I) 2021: 16:1-16:15 - [c16]Kevin Buchin
, Maarten Löffler, Tim Ophelders, Aleksandr Popov
, Jérôme Urhausen, Kevin Verbeek
:
Computing the Fréchet Distance Between Uncertain Curves in One Dimension. WADS 2021: 243-257 - 2020
- [c15]Hsien-Chih Chang, Tim Ophelders:
Planar Emulators for Monge Matrices. CCCG 2020: 141-147 - [c14]Mees van de Kerkhof, Irina Kostitsyna, Marc J. van Kreveld
, Maarten Löffler, Tim Ophelders:
Route-preserving Road Network Generalization. SIGSPATIAL/GIS 2020: 381-384 - [c13]Marc J. van Kreveld
, Tillmann Miltzow, Tim Ophelders, Willem Sonke, Jordi L. Vermeulen:
Between Shapes, Using the Hausdorff Distance. ISAAC 2020: 13:1-13:16 - 2019
- [c12]Jean-Lou De Carufel, Adrian Dumitrescu, Wouter Meulemans, Tim Ophelders, Claire Pennarun, Csaba D. Tóth, Sander Verdonschot:
Convex Polygons in Cartesian Products. SoCG 2019: 22:1-22:17 - [c11]Therese Biedl, Erin Wolf Chambers
, David Eppstein, Arnaud de Mesmay, Tim Ophelders:
Homotopy Height, Grid-Major Height and Graph-Drawing Height. GD 2019: 468-481 - [c10]Daniel H. Chitwood
, Mitchell Eithun, Elizabeth Munch
, Tim Ophelders:
Topological Mapper for 3D Volumetric Images. ISMM 2019: 84-95 - [c9]Kevin Buchin
, Tim Ophelders, Bettina Speckmann
:
SETH Says: Weak Fréchet Distance is Faster, but only if it is Continuous and in One Dimension. SODA 2019: 2887-2901 - 2018
- [c8]Willem Sonke
, Marc J. van Kreveld
, Tim Ophelders, Bettina Speckmann
, Kevin Verbeek
:
Volume-based similarity of linear features on terrains. SIGSPATIAL/GIS 2018: 444-447 - [c7]Erin Wolf Chambers
, Arnaud de Mesmay, Tim Ophelders:
On the complexity of optimal homotopies. SODA 2018: 1121-1134 - 2017
- [c6]Mark de Berg, Ali D. Mehrabi, Tim Ophelders:
Data Structures for Fréchet Queries in Trajectory Data. CCCG 2017: 214-219 - [c5]Maarten Kleinhans
, Marc J. van Kreveld
, Tim Ophelders, Willem Sonke
, Bettina Speckmann
, Kevin Verbeek
:
Computing Representative Networks for Braided Rivers. SoCG 2017: 48:1-48:16 - [c4]Benjamin A. Burton
, Erin W. Chambers
, Marc J. van Kreveld
, Wouter Meulemans, Tim Ophelders, Bettina Speckmann
:
Computing Optimal Homotopies over a Spiked Plane with Polygonal Boundary. ESA 2017: 23:1-23:14 - [c3]Kevin Buchin
, Tim Ophelders, Bettina Speckmann
:
Computing the Fréchet Distance between Real-Valued Surfaces. SODA 2017: 2443-2455 - 2016
- [c2]Marzio De Biasi, Tim Ophelders:
The Complexity of Snake. FUN 2016: 11:1-11:13 - 2015
- [c1]Kevin Buchin
, Tim Ophelders, Bettina Speckmann
:
Computing the Similarity Between Moving Curves. ESA 2015: 928-940
Informal and Other Publications
- 2024
- [i21]Thijs van der Horst, Tim Ophelders:
Faster Fréchet Distance Approximation through Truncated Smoothing. CoRR abs/2401.14815 (2024) - [i20]Sarita de Berg, Tim Ophelders, Irene Parada, Frank Staals, Jules Wulms:
The Complexity of Geodesic Spanners using Steiner Points. CoRR abs/2402.12110 (2024) - [i19]Ivor van der Hoog, Thijs van der Horst
, Tim Ophelders:
Faster and Deterministic Subtrajectory Clustering. CoRR abs/2402.13117 (2024) - 2023
- [i18]Maarten Löffler, Tim Ophelders, Frank Staals, Rodrigo I. Silveira:
Shortest Paths in Portalgons. CoRR abs/2303.08937 (2023) - [i17]Thijs van der Horst, Tim Ophelders, Bart van der Steenhoven:
Simply Realising an Imprecise Polyline is NP-hard. CoRR abs/2304.13094 (2023) - [i16]Thijs Beurskens, Tim Ophelders, Bettina Speckmann, Kevin Verbeek
:
A Monotone Interleaving Distance for Merge Trees. CoRR abs/2312.11113 (2023) - [i15]Irina Kostitsyna, Tim Ophelders, Irene Parada, Tom Peters, Willem Sonke, Bettina Speckmann:
Optimal In-Place Compaction of Sliding Cubes. CoRR abs/2312.15096 (2023) - 2022
- [i14]Maike Buchin, Ivor van der Hoog, Tim Ophelders, Lena Schlipf, Rodrigo I. Silveira, Frank Staals:
Efficient Fréchet distance queries for segments. CoRR abs/2203.01794 (2022) - [i13]Salman Parsa, Tim Ophelders:
Minimum Height Drawings of Ordered Trees in Polynomial Time: Homotopy Height of Tree Duals. CoRR abs/2203.08364 (2022) - [i12]Thijs van der Horst, Marc J. van Kreveld, Tim Ophelders, Bettina Speckmann:
A Subquadratic nε-approximation for the Continuous Fréchet Distance. CoRR abs/2208.12721 (2022) - [i11]Kevin Buchin, William S. Evans, Fabrizio Frati, Irina Kostitsyna, Maarten Löffler, Tim Ophelders, Alexander Wolff:
Morphing Planar Graph Drawings Through 3D. CoRR abs/2210.05384 (2022) - 2021
- [i10]Tim Ophelders, Ignaz Rutter, Bettina Speckmann, Kevin Verbeek:
Polygon-Universal Graphs. CoRR abs/2103.06916 (2021) - [i9]Kevin Buchin, Maarten Löffler, Tim Ophelders, Aleksandr Popov, Jérôme Urhausen, Kevin Verbeek:
Computing the Fréchet Distance Between Uncertain Curves in One Dimension. CoRR abs/2105.09922 (2021) - 2020
- [i8]Erin Wolf Chambers, Elizabeth Munch, Tim Ophelders:
A family of metrics from the truncated smoothing of Reeb graphs. CoRR abs/2007.07795 (2020) - [i7]Marc J. van Kreveld, Tillmann Miltzow, Tim Ophelders, Willem Sonke, Jordi L. Vermeulen:
Between Shapes, Using the Hausdorff Distance. CoRR abs/2009.14719 (2020) - [i6]Kayla Makela, Tim Ophelders, Michelle Quigley, Elizabeth Munch, Daniel H. Chitwood, Asia Dowtin:
Automatic Tree Ring Detection using Jacobi Sets. CoRR abs/2010.08691 (2020) - 2019
- [i5]Therese Biedl, Erin Wolf Chambers, David Eppstein, Arnaud de Mesmay, Tim Ophelders:
Homotopy height, grid-major height and graph-drawing height. CoRR abs/1908.05706 (2019) - 2018
- [i4]Kevin Buchin, Tim Ophelders, Bettina Speckmann:
SETH Says: Weak Fréchet Distance is Faster, but only if it is Continuous and in One Dimension. CoRR abs/1807.08699 (2018) - [i3]Jean-Lou De Carufel, Adrian Dumitrescu, Wouter Meulemans, Tim Ophelders, Claire Pennarun, Csaba D. Tóth, Sander Verdonschot:
Convex Polygons in Cartesian Products. CoRR abs/1812.11332 (2018) - 2017
- [i2]Erin Wolf Chambers, Arnaud de Mesmay, Tim Ophelders:
On the complexity of optimal homotopies. CoRR abs/1711.00788 (2017) - 2015
- [i1]Kevin Buchin, Tim Ophelders, Bettina Speckmann:
Computing the Similarity Between Moving Curves. CoRR abs/1507.03819 (2015)
Coauthor Index
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