Joan Andreu Sánchez

Associate professor (Director)

Phone (+34) 963 877 358 Extension 73517

Publications

130 entries « 1 of 3 »

2023

Emilio Granell; Verónica Romero; José Ramón Prieto; José Andrés; Lorenzo Quirós; Joan Andreu Sánchez; Enrique Vidal

Processing a large collection of historical tabular images Journal Article

In: Pattern Recognition Letters, vol. 170.0, pp. 9–16, 2023.

BibTeX

Dan Anitei; Joan Andreu Sánchez; José-Miguel Benedí; Ernesto Noya García

The IBEM dataset: A large printed scientific image dataset for indexing and searching mathematical expressions Journal Article

In: Pattern Recognition Letters, vol. 172.0, pp. 29–36, 2023.

BibTeX

Ernesto Noya García; José-Miguel Benedí; Joan Andreu Sánchez; Dan Anitei

Discriminative estimation of probabilistic context-free grammars for mathematical expression recognition and retrieval Journal Article

In: Pattern Analysis and Applications, 2023.

BibTeX

José Ramón Prieto; José Andrés; Emilio Granell; Joan Andreu Sánchez; Enrique Vidal

Information Extraction in Handwritten Historical Logbooks Journal Article

In: Pattern Recognition Letters, vol. 172.0, pp. 128–136, 2023.

BibTeX

Dan Anitei; Joan Andreu Sánchez; José-Miguel Benedí

Py4MER: A CTC-Based Mathematical Expression Recognition System Proceedings Article

In: In proceedings of the 11th Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2023), pp. 426–441, 2023.

BibTeX

Manuel Villarreal-Ruiz; Joan Andreu Sánchez

Synchronous Recognition of Music Images Using Coupled N-Gram Models Proceedings Article

In: In proceedings of the 23rd ACM Symposium on Document Engineering (DocEng 2023), 2023.

BibTeX

2022

José Ramón Prieto; Enrique Vidal; Joan Andreu Sánchez; Carlos Alonso; David Garrido

Extracting Descriptive Words from Untranscribed Handwritten Images Proceedings Article

In: In proceedings of the 10th Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2022), pp. 541–551, 2022.

BibTeX

José Andrés; José Ramón Prieto; Emilio Granell; Verónica Romero; Joan Andreu Sánchez; Enrique Vidal

Information Extraction from Handwritten Tables in Historical Documents Proceedings Article

In: In proceedings of the 15th IAPR International Workshop on Document Analysis Systems (DAS 2022), pp. 184–198, 2022.

BibTeX

2021

Emilio Granell; Lorenzo Quirós; Verónica Romero; Joan Andreu Sánchez

Reducing the Human Effort in Text Line Segmentation for Historical Documents Proceedings Article

In: In proceedings of the 16th International Conference on Document Analysis and Recognition (ICDAR 2021), pp. 523–537, 2021.

BibTeX

Dan Anitei; Joan Andreu Sánchez; José Manuel Fuentes-López; Roberto Paredes; José-Miguel Benedí

ICDAR 2021 competition on mathematical formula detection Proceedings Article

In: In proceedings of the 16th International Conference on Document Analysis and Recognition (ICDAR 2021), pp. 783–795, 2021.

BibTeX

Ernesto Noya-García; Joan Andreu Sánchez; José-Miguel Benedí

Generation of Hypergraphs from the N-Best Parsing of 2D-Probabilistic Context-Free Grammars for Mathematical Expression Recognition Proceedings Article

In: In proceedings of the 25th International Conference on Pattern Recognition (ICPR 2020), pp. 5696–5703, 2021.

BibTeX

Emilio Granell; Lorenzo Quirós; Verónica Romero; Joan Andreu Sánchez

Reducing the Human Effort in Text Line Segmentation for Historical Documents Proceedings Article

In: In proceedings of the 16th International Conference on Document Analysis and Recognition (ICDAR 2021), pp. 523–537, 2021.

BibTeX

2020

Enrique Vidal; Verónica Romero; Alejandro H. Toselli; Joan Andreu Sánchez; Lorenzo Quirós; José-Miguel Benedí; José Ramón Prieto; Moisés Pastor; Francisco Casacuberta; Carlos Alonso; Carmen García Rivera; Lourdes Márquez Carmona; Carmen Olcedo

The CARABELA Project and Manuscript Collection: Large-Scale Probabilistic Indexing and Content-based Classification Proceedings Article

In: In proceedings of the 17th International Conference on Frontiers in Handwriting Recognition (ICFHR 2020), pp. 85–90, 2020.

BibTeX

University Rostock; University Rostock; Joan Andreu Sánchez

Two Semi-supervised Training Approaches for Automated Text Recognition Proceedings Article

In: In proceedings of the 17th International Conference on Frontiers in Handwriting Recognition (ICFHR 2020), pp. 145–150, 2020.

BibTeX

Manuel Villarreal Ruiz; Joan Andreu Sánchez

Handwritten Music Recognition Improvement through Language Model Re-interpretation for Mensural Notation Proceedings Article

In: In proceedings of the 17th International Conference on Frontiers in Handwriting Recognition (ICFHR 2020), pp. 199–204, 2020.

BibTeX

Joan Andreu Sánchez; Verónica Romero

Computation of moments for probabilistic finite-state automata Journal Article

In: Information Sciences, vol. 516, pp. 388–400, 2020.

BibTeX

2019

Verónica Romero; Alejandro H. Toselli; Enrique Vidal; Joan Andreu Sánchez; Carlos Alonso; Lourdes Marqués

Modern vs diplomatic transcripts for historical handwritten text recognition Proceedings Article

In: In proceedings of the 20th Internarional Conference on Image, Analysis and Processings (ICIAP 2019), pp. 103–213, 2019.

BibTeX

Alejandro H. Toselli; Verónica Romero; Enrique Vidal; Joan Andreu Sánchez; Louise Seaward; Philip Schofield

A Study of English Neologisms Through Large-Scale Probabilistic Indexing of Bentham’s Manuscripts Proceedings Article

In: In proceedings of the 1st International Workshop on Pattern Recognition for Cultural Heritage (PatReCH 2019), pp. 92–102, 2019.

BibTeX

Verónica Romero; ALICIA FORNES PICHER; Emilio Granell; Enrique Vidal; Joan Andreu Sánchez

Information Extraction in Handwritten Marriage Licenses Books Proceedings Article

In: In proceedings of the 5th International Workshop on Historical Document Imaging and Processing (HIP 2019), pp. 1–6, 2019.

BibTeX

Alejandro H. Toselli; Verónica Romero; Enrique Vidal; Joan Andreu Sánchez

Making Two Vast Historical Manuscript Collections Searchable and Extracting Meaningful Textual Features Through Large-Scale Probabilistic Indexing Proceedings Article

In: In proceedings of the 15th International Conference on Document Analysis and Recognition (ICDAR 2019), pp. 108–113, 2019.

BibTeX

Jorge Calvo-Zaragoza; Alejandro H. Toselli; Enrique Vidal; Joan Andreu Sánchez

Music Symbol Sequence Indexing in Medieval Plainchant Manuscripts Proceedings Article

In: In proceedings of the 15th International Conference on Document Analysis and Recognition (ICDAR 2019), pp. 882–887, 2019.

BibTeX

Joan Andreu Sánchez; Verónica Romero; Alejandro H. Toselli; Mauricio Villegas; Enrique Vidal

A Set of Benchmarks for Handwritten Text Recognition on Historical Documents Journal Article

In: Pattern Recognition, vol. 94, pp. 122–134, 2019.

BibTeX

2018

Joan Andreu Sánchez; Verónica Romero; Alejandro H. Toselli; Enrique Vidal

Handwritten Text Recognition Competitions With the tranScriptorium Dataset Book Chapter

In: Document Analysis and Text Recognition: Benchmarking State-of-the-Art Systems, World Scientific pages = 213--236, 2018, ISBN: 978-981-3229-26-6.

BibTeX

Verónica Romero; Joan Andreu Sánchez; Alejandro H. Toselli; Enrique Vidal

Indexación y transcripción asistida de texto manuscrito Proceedings Article

In: In proceedings of the IX Congreso Internacional Lope de Vega. Lope y el Teatro del Siglo de Oro, pp. 0–0, 2018.

BibTeX

Verónica Romero; Joan Andreu Sánchez; Alejandro H. Toselli

Active Learning in Handwritten Text Recognition using the Derivational Entropy Proceedings Article

In: In proceedings of the 16th International Conference on Frontiers in Handwriting Recognition (ICFHR 2018), pp. 291–296, 2018.

BibTeX

Javier Jorge-Cano; Jesús Vieco Pérez; Roberto Paredes; Joan Andreu Sánchez; José-Miguel Benedí

Empirical Evaluation of Variational Autoencoders for Data Augmentation Proceedings Article

In: In proceedings of the 13th International Conference on Computer Vision Theory and Applications (VISAPP 2018), pp. 96–104, 2018.

BibTeX

Verónica Romero; Alejandro H. Toselli; Vicente Bosch; Joan Andreu Sánchez; Enrique Vidal

Automatic Alignment of Handwritten Images and Transcripts for Training Handwritten Text Recognition systems Proceedings Article

In: In proceedings of the 13th IAPR International Workshop on Document Analysis Systems (DAS 2018), pp. 328–333, 2018.

BibTeX

Joan Andreu Sánchez; M. A. Rocha; Verónica Romero; Mauricio Villegas

On the Derivational Entropy of Left-to-Right Probabilistic Finite-State Automata and Hidden Markov Models Journal Article

In: Computational Linguistics, vol. 44, no. 1, pp. 17–37, 2018.

BibTeX

Celio Hernández-Tornero; Verónica Romero; Joan Andreu Sánchez; Alejandro H. Toselli; Enrique Vidal

Indexación y reconocimiento automático de texto manuscrito Journal Article

In: Cuadernos AISPI, vol. 11/2018, pp. 131–144, 2018.

BibTeX

2017

Francisco Álvaro Muñoz; Joan Andreu Sánchez; José-Miguel Benedí

MATHEMATICAL EXPRESSION RECOGNITION Book Chapter

In: Handwriting: Recognition, Development and Analysis, Nova Science Publishers, Inc pages = 171--209, 2017, ISBN: 978-1-53611-937-4.

BibTeX

Joan Andreu Sánchez; Verónica Romero; Alejandro H. Toselli; Mauricio Villegas; Enrique Vidal

ICDAR2017 Competition on Handwritten Text Recognition on the READ Dataset Proceedings Article

In: In proceedings of the 14th International Conference on Document Analysis and Recognition (ICDAR 2017), pp. 1383–1388, 2017.

BibTeX

ALICIA FORNES PICHER; Verónica Romero; Arnau Baró; Juan Ignacio Toledo; Joan Andreu Sánchez; Enrique Vidal; Josep Lladós

ICDAR2017 Competition on Information Extraction in Historical Handwritten Records Proceedings Article

In: In proceedings of the 14th International Conference on Document Analysis and Recognition (ICDAR 2017), pp. 1389–1394, 2017.

BibTeX

Verónica Romero; Vicente Bosch; Celio Hernández-Tornero; Enrique Vidal; Joan Andreu Sánchez

A Historical Document Handwriting Transcription End-to-end System Proceedings Article

In: In proceedings of the 8th Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2017), pp. 149–157, 2017.

BibTeX

Verónica Romero; ALICIA FORNES PICHER; Enrique Vidal; Joan Andreu Sánchez

Information Extraction in Handwritten Marriage Licenses Books Using the MGGI Methodology Proceedings Article

In: In proceedings of the 8th Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2017), pp. 287–294, 2017.

BibTeX

2016

Joan Andreu Sánchez; Enrique Vidal

Reconocimiento de texto manuscrito Book Chapter

In: Tecnologías del lenguaje en España. Comunicación inteligente entre personas y máquinas, Editorial Ariel (Fundación Telefónica) pages = 71--83, 2016, ISBN: 978-84-08-16893-5.

BibTeX

Carlos-D. Martínez-Hinarejos; Josep Lladós; Alicia Fornés; Francisco Casacuberta; Lluís Heras; Joan Mas; Moisés Pastor; Oriol Ramos Terrades; Joan Andreu Sánchez; Enrique Vidal; Fernando Vilariño

Context, multimodality, and user collaboration in handwritten text processing: the CoMUN-HaT project. Proceedings Article

In: In proceedings of the IX Jornadas en Tecnologías del Habla and V Iberian SLTech Workshop (iberSPEECH 2016), pp. 375–383, 2016.

BibTeX

Verónica Romero; Alicia Fornés; Enrique Vidal; Joan Andreu Sánchez

Using the MGGI Methodology for Category-based Language Modeling in Handwritten Marriage Licenses Books Proceedings Article

In: In proceedings of the 15th International Conference on Frontiers in Handwriting Recognition (ICFHR 2016), pp. 331–336, 2016.

BibTeX

Joan Andreu Sánchez; Umapada Pal

Hanwrittent Text Recognition for Bengali Proceedings Article

In: In proceedings of the 15th International Conference on Frontiers in Handwriting Recognition (ICFHR 2016), pp. 542–547, 2016.

BibTeX

Joan Andreu Sánchez; Verónica Romero; Alejandro H. Toselli; Enrique Vidal

ICFHR2016 Competition on Handwritten Text Recognition on the READ Dataset Proceedings Article

In: In proceedings of the 15th International Conference on Frontiers in Handwriting Recognition (ICFHR 2016), pp. 630–635, 2016.

BibTeX

Francisco Álvaro Muñoz; Joan Andreu Sánchez; José-Miguel Benedí

An integrated grammar-based approach for mathematical expression recognition Journal Article

In: Pattern Recognition, vol. 51, no. 0, pp. 135–147, 2016.

BibTeX

Mauricio Villegas; Joan Puigcerver; Alejandro H. Toselli; Joan Andreu Sánchez; Enrique Vidal

Overview of the ImageCLEF 2016 Handwritten Scanned Document Retrieval Task Journal Article

In: CEUR Workshop Proceedings, vol. 1609, no. 0, pp. 233–253, 2016.

BibTeX

Mauricio Villegas; Henning Müller; Alba G. Seco Herrera; Stefano Bromuri; Andrew Gilbert; Luca Piras; Josiah Wang; Fei Yan; Arnau Ramisa; Emmanuel Dellandrea; Robert Gaizauskas; Krystian Mikolajczyk; Joan Puigcerver; Alejandro H. Toselli; Joan Andreu Sánchez; Enrique Vidal

General Overview of ImageCLEF at the CLEF 2016 Labs Journal Article

In: Lecture Notes in Computer Science, vol. 9822, no. 0, pp. 267–285, 2016.

BibTeX

2015

Verónica Romero; Joan Andreu Sánchez; Vicente Bosch; Katrien; Jesse

Influence of text line segmentation in handwritten text recognition Proceedings Article

In: In proceedings of the 13th International Conference on Document Analysis and Recognition (ICDAR 2015), pp. 536–540, 2015.

BibTeX

Joan Andreu Sánchez; Alejandro H. Toselli; Verónica Romero; Enrique Vidal

ICDAR 2015 competition HTRtS: handwritten text recognition on the tranScriptorium dataset Proceedings Article

In: In proceedings of the 13th International Conference on Document Analysis and Recognition (ICDAR 2015), pp. 1166–1170, 2015.

BibTeX

Tanha; Jesse; Katrien; Joan Andreu Sánchez

Crossing the lines: making optimal use of context in lines-based Handwritten Text Recognition Proceedings Article

In: In proceedings of the 13th International Conference on Document Analysis and Recognition (ICDAR 2015), pp. 956–960, 2015.

BibTeX

Mauricio Villegas; Joan Andreu Sánchez; Enrique Vidal

Optical Modelling and Language Modelling Trade-off for Handwritten Text Recognition Proceedings Article

In: In proceedings of the 13th International Conference on Document Analysis and Recognition (ICDAR 2015), pp. 831–835, 2015.

BibTeX

Francisco Álvaro Muñoz; Francisco Cruz Fernández; Joan Andreu Sánchez; Oriol Ramos Terrades; José-Miguel Benedí

Structure detection and segmentation of documents using 2D stochastic context-free grammars Journal Article

In: Neurocomputing, vol. 150, no. 0, pp. 147–154, 2015.

BibTeX

Mauricio Villegas; Verónica Romero; Joan Andreu Sánchez

On the Modification of Binarization Algorithms to Retain Grayscale Information for Handwritten Text Recognition Journal Article

In: Lecture Notes in Computer Science, vol. 9117, no. 0, pp. 208–215, 2015.

BibTeX

2014

Francisco Álvaro Muñoz; Joan Andreu Sánchez; José-Miguel Benedí

Offline Features for Classifying Handwritten Math Symbols with Recurrent Neural Networks Proceedings Article

In: In proceedings of the 22nd International Conference on Pattern Recognition (ICPR 2014), pp. 2944–2949, 2014.

BibTeX

Francisco Álvaro Muñoz; Joan Andreu Sánchez; José-Miguel Benedí

Recognition of on-line handwritten mathematical expressions using 2D stochastic context-free grammars and hidden Markov models Journal Article

In: Pattern Recognition Letters, vol. 35, no. 0, pp. 58–67, 2014.

BibTeX

130 entries « 1 of 3 »