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Transferring facade labels between point clouds with semantic octrees while considering change detection

Autor: Schwarz, Sophia, Pilz, Tanja, Wysocki, Olaf, Hoegner, Ludwig, Stilla, Uwe

Point clouds and high-resolution 3D data have become increasingly important in various fields, including surveying, construction, and virtual reality. However, simply having this data is not enough; to extract useful information, semantic labeling is

Externí odkaz: http://arxiv.org/abs/2402.06531

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Spatio-Temporal Hierarchical Data Structure Based on Sparse Voxel Octrees for Representation of the Geometry of Time-Variable Three-Dimensional Scenes

Autor: Khorshidiyeh Heidar, Madoš Branislav, Vaľko Dávid

Publikováno v: Acta Electrotechnica et Informatica, Vol 24, Iss 2, Pp 3-7 (2024)

The paper deals with the problematics of representation of the geometry of three-dimensional scenes in computer graphics using domain-specific hierarchical data structures based on octant trees or directed acyclic graphs as the means of space saving

Externí odkaz: https://doaj.org/article/65d9913700c84a12b467ccce2bba60a4

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Generating Finite Element Codes combining Adaptive Octrees with Complex Geometries

Autor: Heisler, Eric, Yang, Cheng-Hau, Deshmukh, Aadesh, Ganapathysubramanian, Baskar, Sundar, Hari

We present a high-level domain-specific language (DSL) interface to drive an adaptive incomplete $k$-d tree-based framework for finite element (FEM) solutions to PDEs. This DSL provides three key advances: (a) it abstracts out the complexity of imple

Externí odkaz: http://arxiv.org/abs/2305.19398

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CSVO: Clustered Sparse Voxel Octrees—A Hierarchical Data Structure for Geometry Representation of Voxelized 3D Scenes.

Autor: Madoš, Branislav¹ (AUTHOR) branislav.mados@tuke.sk, Chovancová, Eva¹ (AUTHOR), Chovanec, Martin¹ (AUTHOR), Ádám, Norbert¹ (AUTHOR) branislav.mados@tuke.sk

Publikováno v: Symmetry (20738994). Oct2022, Vol. 14 Issue 10, pN.PAG-N.PAG. 19p.

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Assessing stope performance using georeferenced octrees and multivariate analysis.

Autor: McFadyen, Benoît¹ (AUTHOR), Grenon, Martin¹ (AUTHOR) martin.grenon@gmn.ulaval.ca, Woodward, Kyle² (AUTHOR), Potvin, Yves² (AUTHOR)

Publikováno v: Mining Technology (2572-6668). Jun2023, Vol. 132 Issue 2, p132-152. 21p.

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Feature‐Preserving Offset Mesh Generation from Topology‐Adapted Octrees.

Autor: Zint, D.^1,2 (AUTHOR), Maruani, N.¹ (AUTHOR), Rouxel‐Labb, M.³ (AUTHOR), Alliez, P.¹ (AUTHOR)

Publikováno v: Computer Graphics Forum. Aug2023, Vol. 42 Issue 5, p1-12. 12p. 8 Color Photographs, 3 Diagrams, 3 Graphs.

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Efficient Animation of Sparse Voxel Octrees for Real-Time Ray Tracing

Autor: Espe, Asbjørn Engmark, Gjermundnes, Øystein, Hendseth, Sverre

A considerable limitation of employing sparse voxels octrees (SVOs) as a model format for ray tracing has been that the octree data structure is inherently static. Due to traversal algorithms' dependence on the strict hierarchical structure of octree

Externí odkaz: http://arxiv.org/abs/1911.06001

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