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Listar por autor "Molina Abril, Helena"                

Mostrando ítems 21-40 de 44

    • Ponencia
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      Homological Region Adjacency Tree for a 3D Binary Digital Image via HSF Model 

      Real Jurado, Pedro; Molina Abril, Helena; Díaz del Río, Fernando; Blanco Trejo, Sergio (Springer, 2019)
      Given a 3D binary digital image I, we define and compute an edge-weighted tree, called Homological Region Tree (or ...
    • Artículo
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      Homological spanning forest framework for 2D image analysis 

      Molina Abril, Helena; Real Jurado, Pedro (2012)
      A 2D topology-based digital image processing framework is presented here. This framework consists of the computation of a ...
    • Tesis Doctoral
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      Homological Spanning Forests for Discrete Objects 

      Molina Abril, Helena (2012-06-03)
      Computing and representing topological information form an important part in many applications such as image representation ...
    • Capítulo de Libro
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      Homological tree-based strategies for image analysis 

      Real Jurado, Pedro; Molina Abril, Helena; Kropatsch, Walter G. (2009)
      Homological characteristics of digital objects can be obtained in a straightforward manner computing an algebraic map φ ...
    • Artículo
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      Image Segmentation Inspired by Cellular Models using hardware programming 

      Carnero Iglesias, Javier; Díaz Pernil, Daniel; Molina Abril, Helena; Real Jurado, Pedro (Universidad de Sevilla, 2010)
      Several features of image segmentation make it suitable for bio–inspired techniques. It can be parallelized, locally solved ...
    • Capítulo de Libro
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      Integral operators for computing homology generators at any dimension 

      González Díaz, Rocío; Jiménez Rodríguez, María José; Medrano Garfia, Belén; Real Jurado, Pedro; Molina Abril, Helena (2008)
      Starting from an nD geometrical object, a cellular subdivision of such an object provides an algebraic counterpart from ...
    • Artículo
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      Interplay between gonadal hormones and postnatal overfeeding in defining sex-dependent differences in gut microbiota architecture 

      Santos Marcos, José A.; Barroso, Alexia; Rangel Zúñiga, Oriol Alberto; Perdices López, Cecilia; Haro, Carmen; Sánchez Garrido, Miguel A.; Molina Abril, Helena; Ohlsson, Claes; Pérez Martínez, Pablo; Poutanen, Matti; López Miranda, José; Pérez Jiménez, Francisco; Tena Sempere, Manuel; Camargo, Antonio (Impact Journals, 2020)
      Aging is associated with a decline in sex hormones, variable between sexes, that has an impact on many different body ...
    • Artículo
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      Learning Biomarker Models for Progression Estimation of Alzheimer’s Disease 

      Schmidt-Richberg, Alexander; Ledig, Christian; Guerrero, Ricardo; Molina Abril, Helena; Frangi, Alejandro F.; Rueckert, Daniel (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 ...
    • Ponencia
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      Multi-stage Biomarker Models for Progression Estimation in Alzheimer’s Disease 

      Schmidt-Richberg, Alexander; Guerrero, Ricardo; Ledig, Christian; Molina Abril, Helena; Frangi, Alejandro F.; Rueckert, Daniel (Springer, 2015)
      The estimation of disease progression in Alzheimer’s disease (AD) based on a vector of quantitative biomarkers is of high ...
    • Artículo
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      Neonatal exposure to androgens dynamically alters gut microbiota architecture 

      Barroso, Alexia; Santos Marcos, José A.; Perdices López, Cecilia; Vega Rojas, Ana; Sánchez Garrido, Miguel Ángel; Krylova, Yelizabeta; Molina Abril, Helena; Ohlsson, Claes; Pérez Martínez, Pablo; Poutanen, Matti; López Miranda, José; Tena Sempere, Manuel; Camargo, Antonio (BioScientifica, 2020)
      Gonadal steroids strongly contribute to the metabolic programming that shapes the susceptibility to the manifestation of ...
    • Ponencia
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      On the Topological Disparity Characterization of Square-Pixel Binary Image Data by a Labeled Bipartite Graph 

      Sánchez Cuevas, Pablo; Real Jurado, Pedro; Díaz del Río, Fernando; Molina Abril, Helena; Morón Fernández, María José (Springer, 2022)
      Given an nD digital image I based on cubical n-xel, to fully characterize the degree of internal topological dissimilarity ...
    • Ponencia
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      Open Issues and Chances for Topological Pyramids 

      Kropatsch, Walter G.; Molina Abril, Helena (PRIP, Vienna University of Technology, 2009)
      High resolution image data require a huge amount of computational resources. Image pyramids have shown high performance ...
    • Artículo
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      Parallel connected-Component-Labeling based on homotopy trees 

      Díaz del Río, Fernando; Sánchez Cuevas, Pablo; Molina Abril, Helena; Real Jurado, Pedro (Elsevier, 2020)
      Taking advantage of the topological and isotopic properties of binary digital images, we present here anew algorithm for ...
    • Artículo
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      Parallel homological calculus for 3D binary digital images 

      Díaz del Río, Fernando; Molina Abril, Helena; Real Jurado, Pedro; Onchis, Darian M.; Blanco Trejo, Sergio (Springer, 2024-01-29)
      Topological representations of binary digital images usually take into consideration different adjacency types between ...
    • Ponencia
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      Parallel Image Processing Using a Pure Topological Framework 

      Díaz del Río, Fernando; Molina Abril, Helena; Real Jurado, Pedro; Sánchez-Cuevas, Pablo; Ríos Navarro, José Antonio (Universidad de Extremadura, 2016)
      Image processing is a fundamental operation in many real time applications, where lots of parallelism can be extracted. ...
    • Ponencia
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      Representing the Surface of Objects by Combinatorial Pyramids 

      Antúnez, Esther; Molina Abril, Helena; Kropatsch, Walter G. (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 ...
    • Artículo
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      Searching combinatorial optimality using graph-based homology information 

      Real Jurado, Pedro; Molina Abril, Helena; González Lorenzo, Aldo; Bac, Alexandra; Mari, Jean-Luc (2015)
      This paper analyses the topological information of a digital object O under a combined combinatorial-algebraic point of ...
    • Artículo
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      Searching high order invariants in computer imagery 

      Berciano Alcaraz, Ainhoa; Molina Abril, Helena; Real Jurado, Pedro (2012)
      In this paper, we present a direct computational application of Homological Perturbation Theory (HPT, for short) to computer ...
    • Artículo
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      Sex Differences in the Gut Microbiota as Potential Determinants of Gender Predisposition to Disease 

      Santos Marcos, José A.; Haro, Carmen; Vega Rojas, Ana; Alcalá Díaz, Juan Francisco; Molina Abril, Helena; León Acuña, Ana; López Moreno, Javier; Landa, Blanca B.; Tena Sempere, Manuel; Pérez Martínez, Pablo; López Miranda, José; Pérez Jiménez, Francisco; Camargo, Antonio (Wiley, 2019)
      Scope: Dysbiosis of gut microbiota is involved in metabolic syndrome (MetS) development, which has a different incidence ...
    • Artículo
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      Sex-specific differences in intestinal microbiota associated with cardiovascular diseases 

      García Fernández, Helena; Arenas de Larriva, Antonio Pablo; López Moreno, Javier; Gutiérrez Mariscal, Francisco Miguel; Romero Cabrera, Juan Luis; Molina Abril, Helena; Torres Peña, José David; Rodríguez Cano, Diego; Malagón Poyato, María del Mar; Ordovás Muñoz, José María; Delgado Lista, Javier; Pérez Martínez, Pablo; López Miranda, José; Camargo García, Antonio (BMC, 2024-01-19)
      Background Cardiovascular diseases (CVD), including coronary heart disease (CHD), display a higher prevalence in men than ...