Show simple item record

dc.contributor.authorVigo Anglada, Marc
dc.contributor.authorPla García, Núria
dc.contributor.authorAyala Vallespí, M. Dolors
dc.contributor.authorMartínez Bayona, Jonàs
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics
dc.identifier.citationVigo, M., Pla, N., Ayala, D., Martínez, J. "Efficient algorithms for boundary extraction of 2D and 3D orthogonal pseudomanifolds". 2011.
dc.description.abstractIn this paper we present algorithms to extract the boundary representation of orthogonal polygons and polyhedra, either manifold or pseudomanifold. The algorithms we develop reconstruct not only the polygons of the boundaries but also the hole-face inclusion relationship. Our algorithms have a simple input in order that they can be used to convert many different kinds of models to B-Rep. For the 2D case, the input is the set of vertices, and for the 3D case, some small additional information must be supplied for every vertex. All proposed algorithms run in $mathcal{O}(nlog n)$ time and use $mathcal{O}(n)$ space, where $n$ is the number of vertices of the input. Besides, we explain how to use our proposal to extract the boundary from the well-known voxel and octree models and from other models found in the related literature: the neighbourhood, the EVM, and the weighted vertex list models.
dc.format.extent23 p.
dc.subjectÀrees temàtiques de la UPC::Informàtica::Informàtica teòrica
dc.subject.otherFeature extraction
dc.subject.otherImage reconstruction
dc.subject.otherImage representation
dc.titleEfficient algorithms for boundary extraction of 2D and 3D orthogonal pseudomanifolds
dc.typeExternal research report
dc.contributor.groupUniversitat Politècnica de Catalunya. GIE - Grup d'Informàtica a l'Enginyeria
dc.rights.accessOpen Access
dc.description.versionPostprint (published version)
upcommons.citation.authorVigo, M.; Pla, N.; Ayala, D.; Martínez, J.

Files in this item


This item appears in the following Collection(s)

Show simple item record

All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder