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Implementation and complexity of the watershed-from-markers algorithm computed as a minimal cost forest

Autor: Felkel, Petr, Bruckwschwaiger, Mario, Wegenkittl, Rainer

Publikováno v: Computer Graphics Forum, Vol 20, No 3, 2001, Conference Issue, pages C-26 - C-35, ISSN 0167-7075

The watershed algorithm belongs to classical algorithms in mathematical morphology. Lotufo et al. published a principle of the watershed computation by means of an Image Foresting Transform (IFT), which computes a shortest path forest from given mark

Externí odkaz: http://arxiv.org/abs/cs/0206009

Hausdorff and Gromov-Hausdorff stable subsets of the medial axis

Autor: André Lieutier, Mathijs Wintraecken

Publikováno v: STOC '23
STOC '23, ACM, Jun 2023, Orlando (Florida), United States. ⟨10.1145/3564246.3585113⟩
STOC 2023-55th Annual ACM Symposium on Theory of Computing
STOC 2023-55th Annual ACM Symposium on Theory of Computing, ACM, Jun 2023, Orlando (Florida), United States. ⟨10.1145/3564246.3585113⟩

In this paper we introduce a pruning of the medial axis called the $(\lambda,\alpha)$-medial axis ($\textrm{ax}_\lambda^\alpha $). We prove that the $(\lambda,\alpha)$-medial axis of a set $K$ is stable in a Gromov-Hausdorff sense under weak assumpti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2e547e0d84add45f59bafff401f1eec

Sediment thickness in the Bay of Bengal and Andaman Sea compared with topography and geophysical settings by GMT

Autor: Lemenkova, Polina

Publikováno v: Ovidius University Annals Series: Civil Engineering
Ovidius University Annals Series: Civil Engineering, 2020, 22, pp.13-22. ⟨10.2478/ouacsce-2020-0002⟩

The study presents an analysis of the sediment thickness compared with bathymetric and geophysical settings in the Bay of Bengal and Andaman Sea, Indian Ocean. It uses a combination of the high-resolution data: topographic GEBCO, satellite and marine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a30625485ff5d291cc925c592d7b39fe
https://doi.org/10.2478/ouacsce-2020-0002

Diagrammes de Voronoï et surfaces évolutives

Autor: Lopez, David

Publikováno v: Ingénierie, finance et science [cs.CE]. Université de Lorraine (Nancy), 2021. Français
Géométrie algorithmique [cs.CG]. Université de Lorraine, 2021. Français. ⟨NNT : 2021LORR0247⟩

In this paper, we propose to address the problem of tracking a deformable surface, typically the free surface of a liquid. This surface domain sees its geometry and topology evolve over time by displacement of its vertices, so the elements of the mes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::2115c54b16806ecb7e34819e546288de
https://hal.archives-ouvertes.fr/tel-03271262