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Mostrando ítems 1-10 de 51
Artículo
Proceedings of the Workshop on Computational Topology in Image Context 2010
(2010)
It has been an honor and a pleasure to organize the 3rd International Workshop on Computational Topology in Image Context, CTIC 2010, in Chipiona (Spain), this year, after it was held in Poitiers (France) in 2008 and in ...
Artículo
A Linear Time Algorithm for Drawing a Graph in 3 Pages within its Isotopy Class in 3-Space
(Universidad de Sevilla, 2015)
We consider undirected graphs up to an ambient isotopy in 3-space. Such a graph can be represented by a plane diagram or a Gauss code. We recognize in linear time if a Gauss code represents an actual graph in 3-space. We ...
Artículo
The algorithm for going through a labyrinth by an autonomous
(Universidad de Sevilla, 2015)
The paper presents an algorithm for going through a path type labyrinth by an autonomous vehicle. The detection of the path and the maintaining of the motion direction have been addressed as well as going through the ...
Artículo
Computing The Cubical Cohomology Ring (Extended Abstract)
(Universidad de Sevilla, 2010)
The goal of this work is to establish a new algorithm for computing the cohomology ring of cubical complexes. The cubical structure enables an explicit recurrence formula for the cup product. We derive this formula and, ...
Artículo
On the Recognition of Tori Embedded in R3
(Universidad de Sevilla, 2010)
Many known algorithms allow us to topologically recognize surfaces in 3D images. However, none of them permits us to distinguish different types of embeddings of surfaces. In this paper, we restrict our study to the case ...
Artículo
Bioinspired parallel 2D or 3D skeletonization
(Universidad de Sevilla, 2013)
Algebraic Topology has been proved to be an useful tool to be used in image processing. In this case we will borrow some elements from Algebraic Topology in order to show a parallel algorithm for thinning a binary 3D image ...
Artículo
Software tool for contrast enhancement and segmentation of melanoma images based on human perception
(Universidad de Sevilla, 2013)
In this paper we present a software tool for melanoma border detection (MBD). It has been designed to be incorporated in any Computer Aided Diagnosis Tool (CAD) for early detection of melanoma in mass screening programs. ...
Artículo
Computing Fundamental Group via Forman’s Discrete Morse Theory Extended abstract
(Universidad de Sevilla, 2015)
We present research in progress on the algorithmic computation of the fundamental group of a CW complex. We use the algorithm to compute certain algebraic invariants of the fundamental group of the complement of a knot. ...
Artículo
Regular map smoothing
(Universidad de Sevilla, 2013)
A regular map is a family of equivalent polygons, glued together to form a closed surface without boundaries which is vertex, edge and face transitive. The commonly known regular maps are derived from the Platonic solids ...
Artículo
Some Considerations about Geometric Algebras in relation with Visibility in Computer Graphics
(Universidad de Sevilla, 2011)
We give some considerations about the use of geometric algebras in the context of visibility, showing some advantages and disadvantages for their use as the underlying framework. We emphasize the use of conformal geometric ...