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Listar por autor "Toselli, Alejandro Héctor"

Mostrando ítems 1-20 de 44

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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 ...
A robust handwritten recognition system for learning on different data restriction scenarios

de Sousa Neto, Arthur Flor; Bezerra, Byron Leite Dantas; Toselli, Alejandro Héctor; Lima, Estanislau Baptista (Elsevier, 2022-07)

[EN] Handwritten Text Recognition (HTR) systems have gained interest in fields of academic research and commercial applications. Deep learning techniques, and more precisely Convolutional Neural Networks (CNNs), have enabled ...
A Set of Benchmarks for Handwritten Text Recognition on Historical Documents

Sánchez Peiró, Joan Andreu; Romero, Verónica; Toselli, Alejandro Héctor; Villegas, Mauricio; Vidal, Enrique (Elsevier, 2019-10)

[EN] Handwritten Text Recognition is a important requirement in order to make visible the contents of the myriads of historical documents residing in public and private archives and libraries world wide. Automatic Handwritten ...
A Web-Based Demo to Interactive Multimodal Transcription of Historic Text images

Romero Gómez, Verónica; Leiva Torres, Luis Alberto; Alabau Gonzalvo, Vicente; Toselli, Alejandro Héctor; Vidal Ruiz, Enrique (Springer Verlag (Germany), 2009)

[EN] Paleography experts spend many hours transcribing historic documents, and state-of-the-art handwritten text recognition systems are not suitable for performing this task automatically. In this paper we present the ...
Advances in Document Layout Analysis

Bosch Campos, Vicente (Universitat Politècnica de València, 2020-03-05)

[EN] Handwritten Text Segmentation (HTS) is a task within the Document Layout Analysis field that aims to detect and extract the different page regions of interest found in handwritten documents. HTS remains an active ...
Análisis de Maquetación ("Layout") en imágenes de texto manuscrito mediante Redes Neuronales

Prieto Fontcuberta, José Ramón (Universitat Politècnica de València, 2019-10-30)

[ES] Existen grandes colecciones de manuscritos, las cuales contienen información muy valiosa sobre aspectos cruciales de la historia de nuestra sociedad. Existe tal cantidad de documentos que de forma manual se tardarían ...
Aportaciones al reconocimiento automático de texto manuscrito

Pastor Gadea, Moisés (Universitat Politècnica de València, 2008-05-06)

En esta tesis se estudia el problema de la robustez en los sistemas de reconocimiento automático de texto manuscrito off-line. Los sistemas de reconocimiento automático de texto manuscrito estarán maduros para su uso ...
Approximate search for textual information in images of historical manuscripts using simple regular expression queries

Andrés Moreno, José (Universitat Politècnica de València, 2020-09-22)

[ES] Los archivos históricos así como otras instituciones de patrimonio cultural han estado digitalizando sus colecciones de documentos históricos con el fin de hacerlas accesible a través de Internet al público en ...
Cerca de patrons melòdics a grans col·leccions d'imatges de partitures manuscrites històriques

Menárguez Box, Aitana (Universitat Politècnica de València, 2023-09-21)

[CA] La cerca d’informació musical a grans sèries d’imatges de partitures antigues manuscrites és un problema de gran interès per persones historiadores, musicòlogues, gestores d’arxius i públic en general. Utilitzant ...
Character-level interaction in multimodal computer-assisted transcription of text images

Martín-Albo Simón, Daniel; Romero Gómez, Verónica; Toselli ., Alejandro Héctor; Vidal, Enrique (Springer Verlag (Germany), 2011)

To date, automatic handwriting text recognition systems are far from being perfect and heavy human intervention is often required to check and correct the results of such systems. As an alternative, an interactive framework ...
Contex-aware gestures for mixed-initiative text editings UIs

Leiva, Luis A.; Alabau, Vicent; Romero Gómez, Verónica; Toselli, Alejandro Héctor; Vidal, Enrique (Oxford University Press, 2015)

[EN] This work is focused on enhancing highly interactive text-editing applications with gestures. Concretely, we study Computer Assisted Transcription of Text Images (CATTI), a handwriting transcription system that follows ...
End-to-End page-Level assessment of handwritten text recognition

Vidal, Enrique; Toselli, Alejandro Héctor; Ríos-Vila, Antonio; Calvo-Zaragoza, Jorge (Elsevier, 2023-06)

[EN] The evaluation of Handwritten Text Recognition (HTR) systems has traditionally used metrics based on the edit distance between HTR and ground truth (GT) transcripts, at both the character and word levels. This is very ...
Exploiting Existing Modern Transcripts for Historical Handwritten Text Recognition

Villegas, Mauricio; Toselli, Alejandro Héctor; Romero Gómez, Verónica; Vidal, Enrique (IEEE, 2016)

[EN] Existing transcripts for historic manuscripts are a very valuable resource for training models useful for automatic recognition, aided transcription, and/or indexing of the remaining untranscribed parts of these ...
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 ...
Ground-Truth production in the tranScriptorium Project

Gatos, Basilis; Louloudis, Georgios; Caser, Tim; Grint, Kris; Romero Gómez, Verónica; Sánchez Peiró, Joan Andreu; Toselli, Alejandro Héctor; Vidal, Enrique (IEEE Computer Society - Conference Publishing Services (CPS), 2014-04-07)

Tran Scriptorium is a 3-years project that aims to develop innovative, cost-effective solutions for the indexing, search and full transcription of historical handwritten document images, using Handwritten Text Recognition ...
Handwritten Music Recognition for Mensural notation with convolutional recurrent neural networks

Calvo-Zaragoza, Jorge; Toselli, Alejandro Héctor; Vidal, Enrique (Elsevier, 2019-12-01)

[EN] Optical Music Recognition is the technology that allows computers to read music notation, which is also referred to as Handwritten Music Recognition when it is applied over handwritten notation. This technology aims ...
Handwritten Text Line Detection and Classification based on HMMs

Bosch Campos, Vicente (Universitat Politècnica de València, 2012-11-28)

[ES] En este trabajo presentamos una forma para realizar el análisis y la detección de líneas de texto en documentos manuscritos basada en los Modelos Ocultos de Markov, una técnica ampliamente utilizada en otras tareas ...
HMM word graph based keyword spotting in handwritten document images

Toselli, Alejandro Héctor; Vidal, Enrique; Romero, Verónica; Frinken, Volkmar (Elsevier, 2016)

[EN] Line-level keyword spotting (KWS) is presented on the basis of frame-level word posterior probabilities. These posteriors are obtained using word graphs derived from the recogni- tion process of a full-fledged ...
ICFHR2014 Competition on Handwritten Text Recognition on tranScriptorium Datasets (HTRtS)

Sánchez Peiró, Joan Andreu; Romero Gómez, Verónica; Toselli, Alejandro Héctor; Vidal Ruiz, Enrique (IEEE, 2014-09-01)

A contest on Handwritten Text Recognition organised in the context of the ICFHR 2014 conference is described. Two tracks with increased freedom on the use of training data were proposed and three research groups ...
ICFHR2016 Competition on Handwritten Text Recognition on the READ Dataset

Sánchez Peiró, Joan Andreu; Romero Gómez, Verónica; Toselli, Alejandro Héctor; Vidal, Enrique (IEEE, 2016)

[EN] This paper describes the Handwritten Text Recognition (HTR) competition on the READ dataset that has been held in the context of the International Conference on Frontiers in Handwriting Recognition 2016. This ...