Browsing Capítulos (Matemática Aplicada I) by Title
Now showing items 1-20 of 58
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Chapter of Book
A bio-inspired software for segmenting digital images.
(2010)Segmentation in computer vision refers to the process of partitioning a digital image into multiple segments (sets of ...
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A genetic algorithm for cocyclic hadamard matrices
(2006)A genetic algorithm for finding cocyclic Hadamard matrices is described. Though we focus on the case of dihedral groups, ...
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A Graph-with-Loop Structure for a Topological Representation of 3D Objects
(2007)Given a cell complex K whose geometric realization |K| is embedded in R 3 and a continuous function h: |K|→R (called the ...
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A homological–based description of subdivided nD objects
(2011)We present here a topo–geometrical description of a subdivided nD object called homological spanning forest representation. ...
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A Mathematica Notebook for Computing the Homology of Iterated Products of Groups
(2006)Let G be a group which admits the structure of an iterated product of central extensions and semidirect products of abelian ...
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Advanced homology computation of digital volumes via cell complexes
(2008)Given a 3D binary voxel-based digital object V, an algorithm for computing homological information for V via a polyhedral ...
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Algebraic topological analysis of time-sequence of digital images
(2005)This paper introduces an algebraic framework for a topological analysis of time-varying 2D digital binary–valued images, ...
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An algorithm for computing cocyclic matrices developed over some semidirect products
(2001)An algorithm for calculating a set ofgenerators ofrepresentative 2-cocycles on semidirect product offinite abelian groups ...
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An efficient algorithm to compute subsets of points in ℤ n
(2012)In this paper we show a more efficient algorithm than that in [8] to compute subsets of points non-congruent by isometries. ...
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Associating cell complexes to four dimensional digital objects
(2011)The goal of this paper is to construct an algebraic-topological representation of a 80–adjacent doxel-based 4–dimensional ...
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Calculating cocyclic hadamard matrices in Mathematica: exhaustive and heuristic searches
(2006)We describe a notebook in Mathematica which, taking as input data a homological model for a finite group G of order |G| = ...
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Cell AT-models for digital volumes
(2009)In [4], given a binary 26-adjacency voxel-based digital volume V, the homological information (that related to n-dimensional ...
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Compact Grid Representation of Graphs
(2011)A graph G is said to be grid locatable if it admits a representation such that vertices are mapped to grid points and edges ...
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Comparison maps for relatively free resolutions
(2006)Let Λ be a commutative ring, A an augmented differential graded algebra over Λ (briefly, DGA-algebra) and X be a relatively ...
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Computation of cohomology operations of finite simplicial complexes
(2003)We propose a method for calculating cohomology operations on finite simplicial complexes. Of course, there exist well–known ...
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Connectivity forests for homological analysis of digital volumes
(2009)In this paper, we provide a graph-based representation of the homology (information related to the different “holes” the ...
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Covariants Vanishing on Totally Decomposable Forms
(Birkhäuser Verlag, 2010)We consider the problem of providing systems of equations characterizing the forms with complex coefficients that are ...
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Cup products on polyhedral approximations of 3D digital images
(2011)Let I be a 3D digital image, and let Q(I) be the associated cubical complex. In this paper we show how to simplify the ...
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DANTE The Combination between an Ant Colony Optimization Algorithm and a Depth Search Method
(2008)The isin-DANTE method is an hybrid meta-heuristic. In combines the evolutionary ant colony optimization (ACO) algorithms ...
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Decomposing cavities in digital volumes into products of cycles
(2009)The homology of binary 3–dimensional digital images (digital volumes) provides concise algebraic description of their ...