Author profile: Molina Abril, Helena
Institutional data
Name | Molina Abril, Helena |
Department | Matemática Aplicada I |
Knowledge area | Matemática Aplicada |
Professional category | Profesora Titular de Universidad |
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Statistics
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No. publications
46
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No. visits
4895
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No. downloads
7984
Publications |
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Article
Topological scale framework for hypergraphs
(Elsevier, 2025)
In this paper, a new computational topological framework for hypergraph analysis and recognition is developed. “Topology ... |
Article
Parallel homological calculus for 3D binary digital images
(Springer, 2024)
Topological representations of binary digital images usually take into consideration different adjacency types between ... |
Article
Sex-specific differences in intestinal microbiota associated with cardiovascular diseases
(BMC, 2024)
Background Cardiovascular diseases (CVD), including coronary heart disease (CHD), display a higher prevalence in men than ... |
Article
Analysis of Connectome Graphs Based on Boundary Scale
(MDPI, 2023)
The purpose of this work is to advance in the computational study of connectome graphs from a topological point of view. ... |
Article
Fully parallel homological region adjacency graph via frontier recognition
(MDPI, 2023)
Relating image contours and regions and their attributes according to connectivity based on incidence or adjacency is a ... |
Presentation
On the Topological Disparity Characterization of Square-Pixel Binary Image Data by a Labeled Bipartite Graph
(Springer, 2022)
Given an nD digital image I based on cubical n-xel, to fully characterize the degree of internal topological dissimilarity ... |
Presentation
A Topologically Consistent Color Digital Image Representation by a Single Tree
(Springer, 2021)
A novel, flexible (non-unique) and topologically consistent representation called CRIT (Contour-Region incidence Tree) for ... |
Presentation
Building Hierarchical Tree Representations Using Homological-Based Tools
(Springer, 2021)
A new algorithm for computing the α-tree hierarchical repre sentation of a grey-scale digital image is presented here. The ... |
Article
An altered microbiota pattern precedes Type 2 diabetes mellitus development: From the CORDIOPREV study
(Elsevier, 2021)
Introduction A distinctive gut microbiome have been linked to type 2 diabetes mellitus (T2DM). We aimed to evaluate whether ... |
Article |
Article
Parallel connected-Component-Labeling based on homotopy trees
(Elsevier, 2020)
Taking advantage of the topological and isotopic properties of binary digital images, we present here anew algorithm for ... |
Article
Neonatal exposure to androgens dynamically alters gut microbiota architecture
(BioScientifica, 2020)
Gonadal steroids strongly contribute to the metabolic programming that shapes the susceptibility to the manifestation of ... |
Article
Generating (co)homological information using boundary scale
(Elsevier, 2020)
In this paper we develop a new computational technique called boundary scale-space theory. This tech- nique is based on ... |
Article
Interplay between gonadal hormones and postnatal overfeeding in defining sex-dependent differences in gut microbiota architecture
(Impact Journals, 2020)
Aging is associated with a decline in sex hormones, variable between sexes, that has an impact on many different body ... |
Presentation
Enhanced Parallel Generation of Tree Structures for the Recognition of 3D Images
(Springer, 2019)
Segmentations of a digital object based on a connectivity criterion at n-xel or sub-n-xel level are useful tools in image ... |
Presentation
Generating Second Order (Co)homological Information within AT-Model Context
(Springer, 2019)
In this paper we design a new family of relations between (co)homology classes, working with coefficients in a field and ... |
Article
Deregulation of miR-324/KISS1/kisspeptin in early ectopic pregnancy: mechanistic findings with clinical and diagnostic implications
(Elsevier, 2019)
Background Ectopic pregnancy is a life-threatening condition for which novel screening tools that would enable early ... |
Presentation
Homological Region Adjacency Tree for a 3D Binary Digital Image via HSF Model
(Springer, 2019)
Given a 3D binary digital image I, we define and compute an edge-weighted tree, called Homological Region Tree (or ... |
Presentation
Computing the Component-Labeling and the Adjacency Tree of a Binary Digital Image in Near Logarithmic-Time
(Springer, 2019)
Connected component labeling (CCL) of binary images is one of the fundamental operations in real time applications. The ... |
Article
Sex Differences in the Gut Microbiota as Potential Determinants of Gender Predisposition to Disease
(Wiley, 2019)
Scope: Dysbiosis of gut microbiota is involved in metabolic syndrome (MetS) development, which has a different incidence ... |
Presentation
Topological Homogeneity for Electron Microscopy Images
(Springer, 2019)
In this paper, the concept of homogeneity is defined, from a topological perspective, in order to analyze how uniform is ... |
Article
Circulating miRNAs as predictive biomarkers of type 2 diabetes mellitus development in coronary heart disease patients fromt he CORDIOPREV study
(American Society of Gene and Cell Therapy, 2018)
Circulating microRNAs (miRNAs) have been proposed as type 2 diabetes biomarkers, and they may be a more sensitive way to ... |
Article
Learning Biomarker Models for Progression Estimation of Alzheimer’s Disease
(Public Library of Science, 2016)
Being able to estimate a patient’s progress in the course of Alzheimer’s disease and predicting future progression based ... |
Presentation
Parallel Image Processing Using a Pure Topological Framework
(Universidad de Extremadura, 2016)
Image processing is a fundamental operation in many real time applications, where lots of parallelism can be extracted. ... |
Article
Connectivity calculus of fractal polyhedrons
(2015)
The paper analyzes the connectivity information (more precisely, numbers of tunnels and their homological (co)cycle ... |
Presentation
Multi-stage Biomarker Models for Progression Estimation in Alzheimer’s Disease
(Springer, 2015)
The estimation of disease progression in Alzheimer’s disease (AD) based on a vector of quantitative biomarkers is of high ... |
Article
Searching combinatorial optimality using graph-based homology information
(2015)
This paper analyses the topological information of a digital object O under a combined combinatorial-algebraic point of ... |
Presentation
Topo-Geometric Filtration Scheme for Geometric Active Contours and Level Sets: Application to Cerebrovascular Segmentation
(Springer, 2014)
One of the main problems of the existing methods for the segmentation of cerebral vasculature is the appearance in the ... |
PhD Thesis
Homological Spanning Forests for Discrete Objects
(2012)
Computing and representing topological information form an important part in many applications such as image representation ... |
Article
Homological spanning forest framework for 2D image analysis
(2012)
A 2D topology-based digital image processing framework is presented here. This framework consists of the computation of a ... |
Article
Homological optimality in Discrete Morse Theory through chain homotopies
(2012)
Morse theory is a fundamental tool for analyzing the geometry and topology of smooth manifolds. This tool was translated ... |
Article
Searching high order invariants in computer imagery
(2012)
In this paper, we present a direct computational application of Homological Perturbation Theory (HPT, for short) to computer ... |
Article
Designing a new software tool for digital imagery based on P systems
(2012)
In this paper we present a new software tool for dealing with the problem of segmentation in Digital Imagery. The ... |
Chapter of Book
Triangle mesh compression and homological spanning forests
(2012)
Triangle three-dimensional meshes have been widely used to represent 3D objects in several applications. These meshes are ... |
Chapter of Book
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. ... |
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 ... |
Article
Image Segmentation Inspired by Cellular Models using hardware programming
(Universidad de Sevilla, 2010)
Several features of image segmentation make it suitable for bio–inspired techniques. It can be parallelized, locally solved ... |
Presentation
Representing the Surface of Objects by Combinatorial Pyramids
(Czech Pattern Recognition Society, 2010)
This paper introduces a new method to rep- resent the surface of objects using two dimensional com- binatorial maps. The ... |
Article
Towards optimality in discrete Morse Theory through chain homotopies
(Universidad de Sevilla, 2010)
Once a discrete Morse function has been defined on a finite cell complex, information about its homology can be deduced ... |
Chapter of Book
Homological computation using spanning trees
(2009)
We introduce here a new F2 homology computation algorithm based on a generalization of the spanning tree technique on a ... |
Chapter of Book
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 ... |
Chapter of Book
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 ... |
Presentation
Open Issues and Chances for Topological Pyramids
(PRIP, Vienna University of Technology, 2009)
High resolution image data require a huge amount of computational resources. Image pyramids have shown high performance ... |
Chapter of Book
Homological tree-based strategies for image analysis
(2009)
Homological characteristics of digital objects can be obtained in a straightforward manner computing an algebraic map φ ... |
Chapter of Book
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 ... |
Chapter of Book
Integral operators for computing homology generators at any dimension
(2008)
Starting from an nD geometrical object, a cellular subdivision of such an object provides an algebraic counterpart from ... |