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Ara es mostren els items 13-30 de 30

    • 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'editorial
      A 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 obert
      This 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
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      High 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
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      En 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
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      This 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 obert
      A 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'editorial
      Microarray 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'editorial
      The 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
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      This 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 obert
      This 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
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      Multiclass 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 obert
      Background: 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'editorial
      This 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. ...

    • Processament del senyal - Col.lecció de Problemes 

      Hernando Pericás, Francisco Javier; Lagunas Hernandez, Miguel A.; Marqués Acosta, Fernando; Mariño Acebal, José Bernardo; Monte Moreno, Enrique; Nadeu Camprubí, Climent; Oliveras Vergés, Albert; Rodríguez Fonollosa, Javier; Torres Urgell, Lluís; Vázquez Grau, Gregorio; Vidal Manzano, José (Universitat Politècnica de Catalunya, 2003)
      Problema, exercici
      Accés obert

    • Simbad: a tool for speech analysis and synthesis 

      Nadeu Camprubí, Climent; Mariño Acebal, José Bernardo; Oliveras Vergés, Albert (1990)
      Text en actes de congrés
      Accés obert
      SIMBAD has been developed to facilitate the tasks involved in the design of a concatenative speech synthesis system: 1) building a dictionary of parameterized speech units, and 2) obtaining a set of rules to concatenate ...

    • Stereo image analysis using connected operators 

      Oliveras Vergés, Albert; Salembier Clairon, Philippe Jean; Garrido Ostermann, Luis (IEEE IEEE, 1997)
      Text en actes de congrés
      Accés obert
      Connected operators are increasingly used in image processing due to their properties of simplifying the image with various criteria, without loosing contour's information. These properties are related to the connected ...

    • Study of normalization and aggregation approaches for consensus network estimation 

      Bellot Pujalte, Pau; Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert; Meyer, Patrick (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Inferring gene regulatory networks from expression data is a very difficult problem that has raised the interest of the scientific community. Different algorithms have been proposed to try to solve this issue, but it has ...

    • Two level continuous speech recognition using demisyllable-based HMM word spotting 

      Lleida Solano, Eduardo; Mariño Acebal, José Bernardo; Nadeu Camprubí, Climent; Oliveras Vergés, Albert (1991)
      Text en actes de congrés
      Accés obert
      This paper describes a two level Spanish Continuous Speech Recognition System based on Demisyllable HMM modelling, word-spotting and finite-state lexical and syntactic knowledge. The first level, the word level, is based ...