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Tim Ophelders
Tim Ophelders
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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
562020
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
312017
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
292019
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
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
192019
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
172017
Between shapes, using the Hausdorff distance
M van Kreveld, T Miltzow, T Ophelders, W Sonke, JL Vermeulen
Computational Geometry 100, 101817, 2022
142022
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
132022
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
122017
A family of metrics from the truncated smoothing of Reeb graphs
EW Chambers, E Munch, T Ophelders
arXiv preprint arXiv:2007.07795, 2020
102020
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
92022
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
82023
Computing the similarity between moving curves
K Buchin, T Ophelders, B Speckmann
Computational Geometry 73, 2-14, 2018
72018
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
72018
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
62017
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
52023
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
52021
Planar Emulators for Monge Matrices.
HC Chang, T Ophelders
CCCG, 141-147, 2020
52020
Topological mapper for 3D volumetric images
DH Chitwood, M Eithun, E Munch, T Ophelders
International Symposium on Mathematical Morphology and Its Applications to …, 2019
52019
Quantifying barley morphology using the Euler characteristic transform
E Amezquita, M Quigley, T Ophelders, JB Landis, D Koenig, E Munch, ...
Authorea Preprints, 2022
42022
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Artículos 1–20