Exploració per autor "Oliveras Vergés, Albert"
Ara es mostren els items 6-25 de 30
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Ensemble learning and hierarchical data representation for microarray classification
Bosio, Mattia; Bellot Pujalte, Pau; Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe microarray data classification is an open and active research field. The development of more accurate algorithms is of great interest and many of the developed techniques can be straightforwardly applied in analyzing ... -
Examen Final
Monte Moreno, Enrique; Oliveras Vergés, Albert; Ruiz Hidalgo, Javier (Universitat Politècnica de Catalunya, 2013-01-22)
Examen
Accés restringit a la comunitat UPC -
Examen Final
Oliveras Vergés, Albert; Hernando Pericás, Francisco Javier (Universitat Politècnica de Catalunya, 2013-01-17)
Examen
Accés restringit a la comunitat UPC -
Examen Final
Hernando, J.; Mariño Acebal, José Bernardo; Oliveras Vergés, Albert; Villares Piera, Nemesio Javier (Universitat Politècnica de Catalunya, 2015-06-16)
Examen
Accés restringit a la comunitat UPC -
Examen Final
Oliveras Vergés, Albert; Mariño Acebal, José Bernardo; Hernando Pericás, Francisco Javier; Villares Piera, Nemesio Javier (Universitat Politècnica de Catalunya, 2014-06-10)
Examen
Accés restringit a la comunitat UPC -
Feature set enhancement via hierarchical clustering for microarray classification
Bosio, Mattia; Bellot Pujalte, Pau; Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert (2011)
Text en actes de congrés
Accés restringit per política de l'editorialA new method for gene expression classification is proposed in this paper. In a first step, the original feature set is enriched by including new features, called metagenes, produced via hierarchical clustering. In a ... -
Filtrado transversal adaptativo de varianza constante para la ecualización de canal
Vázquez Grau, Gregorio; Gasull Llampallas, Antoni; Sánchez Umbría, Juan; Oliveras Vergés, Albert (1989)
Text en actes de congrés
Accés obertThis paper describes the problem of lineal filtering of noisy data under a Maximum Likelihood objective. In this sense, the paper shows that a weighted square error cost function deals and it is necessary to weight the ... -
Gene expression data classification combining hierarchical representation and efficient feature selection
Bosio, Mattia; Bellot Pujalte, Pau; Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert (2012-12)
Article
Accés restringit per política de l'editorialA general framework for microarray data classification is proposed in this paper. It pro- duces precise and reliable classifiers through a two-step approach. At first, the original feature set is enhanced by a new set ... -
Generalized connected operators
Oliveras Vergés, Albert; Salembier Clairon, Philippe Jean (SMITH ANSARI, 1996)
Text en actes de congrés
Accés obertThis paper deals with the notion of connected operators These operators are becoming popular in image processing because they have the fundamental property of simplifying the signal while preserving the contour information ... -
Hierarchical clustering combining numerical and biological similarities for gene expression data classification
Bosio, Mattia; Salembier Clairon, Philippe Jean; Bellot Pujalte, Pau; Oliveras Vergés, Albert (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialHigh throughput data analysis is a challenging problem due to the vast amount of available data. A major concern is to develop algorithms that provide accurate numerical predictions and biologically relevant results. A ... -
Implementación y primeros resultados de la asignatura de introducción a la ingeniería en los nuevos grados de la ETSETB-UPC
Sayrol Clols, Elisa; Onrubia, Raúl; García Hernández, Miguel J.; Oliveras Vergés, Albert; Bragós Bardia, Ramon; Pegueroles Vallés, Josep R.; Alarcón Cot, Eduardo José; Camps Carmona, Adriano José; Sardà Ferrer, Joan; Consolación Segura, Carolina María; Mussons Sellés, Jaume; Pons Peregort, Olga (IEEE, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialEn este trabajo se describe la asignatura "Introducción a la Ingeniería de las TIC" que, basándose en restricciones y especificaciones iniciales, ha sido concebida, diseñada e implementada en la ETSETB de la UPC. Es la ... -
Implementation and first results of the Introduction to Engineering course in the ETSETB-UPC new degrees
Sayrol Clols, Elisa; Onrubia, Raúl; García, Miguel; Oliveras Vergés, Albert; Bragós Bardia, Ramon; Pergueroles, Josep; Alarcón Cot, Eduardo José; Camps Carmona, Adriano José; Sardà Ferrer, Joan; Consolación Segura, Carolina María; Mussons Sellés, Jaume; Pons Peregort, Olga (2011)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper describes the new course "Introduction to ICT Engineering" which has been conceived, designed and implemented at Telecom-BCN (ETSETB-UPC) from initial specifications and restrictions. It is the first of a series ... -
Maximum likelihood factor analysis in malaria cytokines analysis and modelling
Oliveras Vergés, Albert (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-05-17)
Comunicació de congrés
Accés obertA maximum likelihood factor analysis (MLFA) of the dynamics of the human immune system in malaria, based on the observation of a few cytokine in plasma, suggests that an increased overproduction of cytokines: IL-12, IL-6, ... -
Microarray classification with hierarchical data representation and novel feature selection criteria
Bosio, Mattia; Bellot Pujalte, Pau; Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert (Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialMicroarray data classification is a challenging prob- lem due to the high number of variables compared to the small number of available samples. An effective methodology to output a precise and reliable classifier is ... -
Morphological tools for segmentation: connected operators and watersheds
Meyer, F; Oliveras Vergés, Albert; Salembier Clairon, Philippe Jean; Vachier, C (1997-08)
Article
Accés restringit per política de l'editorialThe paper makes a survey of the morphological tools which are useful for image simplification and segmentation. It starts presenting the connected filters, which have the unique feature to simplify the images without ... -
Motion analysis of image sequences using connected operators
Garrido Ostermann, Luis; Oliveras Vergés, Albert; Salembier Clairon, Philippe Jean (International Society for Photo-Optical Instrumentation Engineers (SPIE), 1997)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper deals with a class of morphological operators called connected operators. These operators interact with the signal by merging flat zones. As a results, they do not create any new contours and are very attractive ... -
Motion connected operators for image sequences
Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert; Garrido Ostermann, Luis (1996)
Text en actes de congrés
Accés obertThis paper deals with motion-oriented connected operators. These operators eliminate from an original sequence the components that do not undergo a specific motion (defined as a filtering parameter). As any connected ... -
Multiclass cancer-microarray classification algorithm with Pair-Against-All redundancy
Bosio, Mattia; Bellot Pujalte, Pau; Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert (2012)
Text en actes de congrés
Accés restringit per política de l'editorialMulticlass cancer classification is still a challenging task in the field of machine learning. A novel multiclass approach is proposed in this work as a combination of multiple binary classifiers. It is an example of Error ... -
NetBenchmark: a bioconductor package for reproducible benchmarks of gene regulatory network inference
Bellot Pujalte, Pau; Olsen, Catharina; Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert; Meyer, Patrick E. (2015-09-29)
Article
Accés obertBackground: In the last decade, a great number of methods for reconstructing gene regulatory networks from expression data have been proposed. However, very few tools and datasets allow to evaluate accurately and reproducibly ... -
Practical extensions of connected operators
Oliveras Vergés, Albert; Salembier Clairon, Philippe Jean (KLUWER ACADEMIC PUB. KLUWER ACADEMIC PUBLISHERS, 1996)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper deals with the notion of connected operators. These operators are becoming popular in image processing because they have the fundamental property of simplifying the signal while preserving the contour information. ...