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Tim Ophelders
Tim Ophelders
Verified email at tue.nl
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Year
The shape of things to come: Topological data analysis and biology, from molecules to organisms
EJ Amézquita, MY Quigley, T Ophelders, E Munch, DH Chitwood
Developmental Dynamics 249 (7), 816-833, 2020
642020
SETH says: Weak Fréchet distance is faster, but only if it is continuous and in one dimension
K Buchin, T Ophelders, B Speckmann
Proceedings of the Thirtieth Annual ACM-SIAM Symposium on Discrete …, 2019
362019
Visual analytics of delays and interaction in movement data
M Konzack, T McKetterick, T Ophelders, M Buchin, L Giuggioli, J Long, ...
International Journal of Geographical Information Science 31 (2), 320-345, 2017
342017
Geometry and topology of estuary and braided river channel networks automatically extracted from topographic data
M Hiatt, W Sonke, EA Addink, WM van Dijk, M van Kreveld, T Ophelders, ...
Journal of Geophysical Research: Earth Surface 125 (1), e2019JF005206, 2020
212020
Data structures for Fréchet queries in trajectory data
MT de Berg, AD Mehrabi, TAE Ophelders
29th Canadian Conference on Computational Geometry (CCCG 2017), 214-219, 2017
212017
Computing representative networks for braided rivers
M Kleinhans, M van Kreveld, T Ophelders, W Sonke, B Speckmann, ...
Journal of Computational Geometry 10 (1), 423–443-423–443, 2019
202019
Between shapes, using the Hausdorff distance
M van Kreveld, T Miltzow, T Ophelders, W Sonke, JL Vermeulen
Computational Geometry 100, 101817, 2022
162022
Measuring hidden phenotype: quantifying the shape of barley seeds using the Euler characteristic transform
EJ Amézquita, MY Quigley, T Ophelders, JB Landis, D Koenig, E Munch, ...
in silico Plants 4 (1), diab033, 2022
142022
Computing the Fréchet distance between real-valued surfaces
K Buchin, T Ophelders, B Speckmann
Proceedings of the Twenty-Eighth Annual ACM-SIAM Symposium on Discrete …, 2017
142017
Efficient Fr\'echet distance queries for segments
M Buchin, I van der Hoog, T Ophelders, L Schlipf, RI Silveira, F Staals
arXiv preprint arXiv:2203.01794, 2022
132022
A family of metrics from the truncated smoothing of Reeb graphs
EW Chambers, E Munch, T Ophelders
arXiv preprint arXiv:2007.07795, 2020
112020
Computing the Fréchet distance between uncertain curves in one dimension
K Buchin, M Löffler, T Ophelders, A Popov, J Urhausen, K Verbeek
Computational Geometry 109, 101923, 2023
102023
Computing the similarity between moving curves
K Buchin, T Ophelders, B Speckmann
Computational Geometry 73, 2-14, 2018
82018
On the complexity of optimal homotopies
EW Chambers, A de Mesmay, T Ophelders
Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete …, 2018
82018
Computing optimal homotopies over a spiked plane with polygonal boundary
B Burton, E Chambers, M Van Kreveld, W Meulemans, T Ophelders, ...
25th Annual European Symposium on Algorithms (ESA 2017), 2017
72017
A Subquadratic nε-approximation for the Continuous Fréchet Distance
T van der Horst, M van Kreveld, T Ophelders, B Speckmann
Proceedings of the 2023 Annual ACM-SIAM Symposium on Discrete Algorithms …, 2023
62023
Constructing monotone homotopies and sweepouts
EW Chambers, GR Chambers, A De Mesmay, T Ophelders, R Rotman
Journal of Differential Geometry 119 (3), 383-401, 2021
62021
Topological mapper for 3D volumetric images
DH Chitwood, M Eithun, E Munch, T Ophelders
International Symposium on Mathematical Morphology and Its Applications to …, 2019
62019
The complexity of Snake
M De Biasi, T Ophelders
8th International Conference on Fun with Algorithms (FUN 2016), 1-13, 2016
62016
Optimal in-place compaction of sliding cubes
I Kostitsyna, T Ophelders, I Parada, T Peters, W Sonke, B Speckmann
arXiv preprint arXiv:2312.15096, 2023
52023
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Articles 1–20