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Listar por autor "Puigcerver I Pérez, Joan"

RiuNet: Repositorio Institucional de la Universidad Politécnica de Valencia

Listar por autor "Puigcerver I Pérez, Joan"

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    A Probabilistic Formulation of Keyword Spotting 
    Puigcerver I Pérez, Joan (Universitat Politècnica de València, 2019-02-18)
    [ES] La detección de palabras clave (Keyword Spotting, en inglés), aplicada a documentos de texto manuscrito, tiene como objetivo recuperar los documentos, o partes de ellos, que sean relevantes para una cierta consulta ...
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    Development and experimentation of a deep learning system for convolutional and recurrent neural networks 
    Mocholí Calvo, Carlos (Universitat Politècnica de València, 2018-09-11)
    [EN] At present, there are very few deep learning toolkits focused on the task of Handwritten Text Recognition (HTR). HTR refers to the problem of recognizing a sequence of characters in an input image. For this reason, ...
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    General Overview of ImageCLEF at the CLEF 2016 Labs 
    Villegas, Mauricio; Mueller, Henning; Seco de Herrera, Alba Garcia; Schaer, Roger; Bromuri, Stefano; Gilbert, Andrew; Piras, Luca; Wang, Josiah; Yan, Fei; Ramisa, Arnau; Dellandrea, Emmanuel; Gaizauskas, Robert; Mikolajczyk, Krystian; Puigcerver I Pérez, Joan; Toselli, Alejandro Héctor; Sánchez Peiró, Joan Andreu; Vidal Ruiz, Enrique (Springer Verlag (Germany), 2016)
    This paper presents an overview of the ImageCLEF 2016 evaluation campaign, an event that was organized as part of the CLEF (Conference and Labs of the Evaluation Forum) labs 2016. ImageCLEF is an ongoing initiative that ...
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    ICFHR2016 Handwritten Keyword Spotting Competition (H-KWS 2016) 
    Pratikakis, Ioannis; Zagoris, Konstantinos; Gatos, Basilis; Puigcerver, Joan; Toselli, Alejandro Héctor; Vidal, Enrique (IEEE, 2016)
    [EN] The H-KWS 2016, organized in the context of the ICFHR 2016 conference aims at setting up an evaluation framework for benchmarking handwritten keyword spotting (KWS) examining both the Query by Example (QbE) and the ...
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    Lexicon-based probabilistic indexing of handwritten text images 
    Vidal, Enrique; Toselli, Alejandro Héctor; Puigcerver, Joan (Springer-Verlag, 2023-08)
    [EN] Keyword Spotting (KWS) is here considered as a basic technology for Probabilistic Indexing (PrIx) of large collections of handwritten text images to allow fast textual access to the contents of these collections. Under ...
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    Out of vocabulary queries for word graph-based keyword spotting 
    Puigcerver I Pérez, Joan (Universitat Politècnica de València, 2015-07-17)
    [EN] In this master thesis several approaches are presented to support out of vocabulary queries in a Word Graph (WG)-based Keyword Spotting (KWS) application for handwritten text lines. Generally, KWS assigns a score ...
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    Probabilistic multi-word spotting in handwritten text images 
    Toselli, Alejandro Héctor; Vidal, Enrique; Puigcerver, Joan; Noya-García, Ernesto (Springer-Verlag, 2019-05-02)
    [EN] Keyword spotting techniques are becoming cost-effective solutions for information retrieval in handwritten documents. We explore the extension of the single-word, line-level probabilistic indexing approach described ...
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    Quantificació de les millores en la segmentació del cos central del text manuscrit utilitzant aprenentatge supervisat 
    Puigcerver I Pérez, Joan (Universitat Politècnica de València, 2012-12-21)
    Tot i el progrés aconseguit en els últims anys pel Reconeixement de Text Manuscrit, aquest encara té molts problemes per resoldre. Molts d'ells causats perquè la gran variabilitat que presenta el text, en quant a l'estil ...
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    Querying out-of-vocabulary words in lexicon-based keyword spotting 
    Puigcerver, Joan; Toselli, Alejandro Héctor; Vidal, Enrique (Springer Verlag (Germany), 2016-02)
    [EN] Lexicon-based handwritten text keyword spotting (KWS) has proven to be a faster and more accurate alternative to lexicon-free methods. Nevertheless, since lexicon-based KWS relies on a predefined vocabulary, fixed in ...
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    Two Methods to Improve Confidence Scores for Lexicon-Free Word Spotting in Handwritten Text 
    Toselli, Alejandro Héctor; Puigcerver, Joan; Vidal, Enrique (IEEE, 2016-10-23)
    [EN] Two methods are presented to improve word confidence scores for Line-Level Query-by-String Lexicon-Free Keyword Spotting (KWS) in handwritten text images. The first one approaches true relevance probabilities by means ...