Ara es mostren els items 46-65 de 123

    • Language modeling using X-grams 

      Bonafonte Cávez, Antonio; Mariño Acebal, José Bernardo (H. TIMOTHY BRUMMELL, WILLIAM IDSARDI CITATION DELAWARE, NEW CASTLE, DELAWARE, 1996)
      Text en actes de congrés
      Accés obert
      In this paper, an extension of n-grams, called x-grams, is proposed. In this extension, the memory of the model (n) is not fixed a priori. Instead, large memories are accepted first, and merging criteria are then applied ...
    • Leveraging online user feedback to improve statistical machine translation 

      Formiga, Lluís; Barrón-Cedeño, Alberto; Marquez, Lluis; Henriquez, Carlos A; Mariño Acebal, José Bernardo (2015-09-01)
      Article
      Accés obert
      In this article we present a three-step methodology for dynamically improving a statistical machine translation (SMT) system by incorporating human feedback in the form of free edits on the system translations. We target ...
    • Line tracking performance of a least squares adaptive lattice algorithm 

      Masgrau Gómez, Enrique José; Lagunas Hernandez, Miguel A.; Mariño Acebal, José Bernardo (1983)
      Text en actes de congrés
      Accés obert
      The work shows the performance of an algorithm for adaptive lattice structures in line tracking. The algorithm introduces some modifications in the classical LMS procedure, which theoretical background can be viewed in ...
    • Line tracking with an adaptive lattice algorithm 

      Masgrau Gómez, Enrique José; Lagunas Hernandez, Miguel A.; Mariño Acebal, José Bernardo (1983)
      Text en actes de congrés
      Accés obert
      The work shows the performance of an algorithm for adaptive lattice structures in line tracking. The algorithm introduces some modifications in the classical LMS procedure, which theoretical background can be viewed in ...
    • Linguistic-based evaluation criteria to identify statistical machine translation errors 

      Farrús Cabeceran, Mireia; Ruiz Costa-Jussà, Marta; Mariño Acebal, José Bernardo; Rodríguez Fonollosa, José Adrián (2010-05)
      Comunicació de congrés
      Accés obert
      Machine translation evaluation methods are highly necessary in order to analyze the performance of translation systems. Up to now, the most traditional methods are the use of automatic measures such as BLEU or the ...
    • Low delay phone recognition 

      Rodríguez Fonollosa, José Adrián; Mariño Acebal, José Bernardo (1998)
      Text en actes de congrés
      Accés obert
    • Maximum likelihood based discriminative training of acoustic models 

      Nogueiras Rodríguez, Albino; Mariño Acebal, José Bernardo (European Speech Communication Association (ESCA), 1995)
      Text en actes de congrés
      Accés obert
      In this paper, a framework for discriminative training of acoustic models based on Generalised Probabilistic Descent (GPD) method is presented. The key feature of our proposal, Maximum Likelihood based Discriminative ...
    • Medium Rate Speech Coding with Vector Quantization 

      Masgrau Gómez, Enrique José; Mariño Acebal, José Bernardo; Moreno Bilbao, M. Asunción (1989)
      Text en actes de congrés
      Accés obert
    • Minimum confusibility training of context dependent demiphones 

      Nogueiras Rodríguez, Albino; Mariño Acebal, José Bernardo (G. Olaszy, G. Németh, K. Erdohegyi, 1999)
      Text en actes de congrés
      Accés obert
      During the last years two different approaches have been widely used in order to improve the acoustic modeling in continuous speech recognition systems: discriminative training algorithms and context dependent subword ...
    • Modelado de la señal en reconocimiento de habla ruidosa 

      Pascual, E; Hernando Pericás, Francisco Javier; Mariño Acebal, José Bernardo; Gustavo, H (1996)
      Text en actes de congrés
      Accés obert
      Conventional modelling techniques of speech suffer a very big performance degradation in adverse noisy environments. So, it is necessary to research for more robust representations of speech signal. This paper presents new ...
    • Modelos de Markon y cuantificacion vectorial por medio de redes de Kohoen 

      Monte Moreno, Enrique; Mariño Acebal, José Bernardo (1991)
      Text en actes de congrés
      Accés obert
      In this paper we present a speech recogmuon system based on Hidden Markov Models, which uses as a quantifier a fonotropic map. This kind of arquitecture has been used for tasks like discriminating the phonemes of the ...
    • Monolingual and bilingual spanish-catalan speech recognizers developed from SpeechDat databases 

      Mariño Acebal, José Bernardo; Padrell, J; Moreno Bilbao, M. Asunción; Nadeu Camprubí, Climent (C. Draxler, 2000)
      Text en actes de congrés
      Accés obert
      Under the SpeechDat specifications, the Spanish member of SpeechDat consortium has recorded a Catalan database that includes one thousand speakers. This communication describes some experimental work that has been carried ...
    • Multiple multilabeling applied to HMM-based noisy speech recognition 

      Hernando Pericás, Francisco Javier; Mariño Acebal, José Bernardo; Moreno Bilbao, M. Asunción; Nadeu Camprubí, Climent (1993)
      Comunicació de congrés
      Accés obert
      The performance of existing speech recognition systems degrades rapidly in the presence of background noise when training and testing cannot be done under the same ambient conditions. The aim of this paper is to propose ...
    • Multiple multilabeling to improve HMM-based speech recognition in noise 

      Hernando Pericás, Francisco Javier; Mariño Acebal, José Bernardo; Nadeu Camprubí, Climent (1993)
      Text en actes de congrés
      Accés obert
      The performance of existing speech recognition systems degrades rapidly in the presence of background noise when training and testing cannot be done under the same ambient conditions. The aim of this paper is to propose ...
    • Multiple multilabelling applied to hmm-based noisy speech recognition 

      Hernando Pericás, Francisco Javier; Mariño Acebal, José Bernardo; Moreno Bilbao, M. Asunción; Nadeu Camprubí, Climent (CHINESE INSTITUTE OF ELECTRONICS, 1993)
      Text en actes de congrés
      Accés obert
    • N-gram-based Machine Translation 

      Mariño Acebal, José Bernardo; Banchs Martínez, Rafael Enrique; Crego Clemente, Josep Maria; Gispert Brosa, Adrian de; Lambert, Patrik; Rodríguez Fonollosa, José Adrián; Ruiz Costa-Jussà, Marta (2006-12)
      Article
      Accés obert
      This article describes in detail an n-gram approach to statistical machine translation. This approach consists of a log-linear combination of a translation model based on n-grams of bilingual units, which are referred to ...
    • New Backpropagation Algorithm Using Quadratic Potential Functions, and an Experiment on Isolated Word Recognition 

      Monte Moreno, Enrique; Lleida Solano, Eduardo; Mariño Acebal, José Bernardo (1989)
      Text en actes de congrés
      Accés obert
      This paper presents a new algorithm to train multilayered perceptrons, using quadratical potential functions. This new algorithm is compared in an isolated word recognition task, with the back propagation algorithm that ...
    • Non parametric coding of speech by means of a MLP with hints 

      Hernández, G; Monte Moreno, Enrique; Mariño Acebal, José Bernardo (Springer, 1997)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a non parametric compression system which makes use of the fact that a MLP has an internal representation of the data in the hidden layer. The system that we present makes a compression by using 4 or 8 ...
    • On generalized sampling expansions for deterministic signals 

      Figueiras Vidal, Aníbal R.; Mariño Acebal, José Bernardo; Gómez, Ramon G. (1981-02)
      Article
      Accés obert
    • On the design of bandpass and bandstop digital filters from lowpass analog prototypes 

      Mariño Acebal, José Bernardo; Figueiras Vidal, Aníbal R. (1982)
      Text en actes de congrés
      Accés obert
      Presently, the transformation of lowpass analog prototypes constitutes an useful method of design for recursive digital filters. Although the involved bilinear and frequency band transformations are well known, the best ...