PhD Thesis

at Universitat Autònoma de Barcelona and Université de Nancy

Ramos Terrades, O., Linear Combination of MultiResolution Descriptors: Application to Graphics Recognition, Universitat Autònoma de Barcelona and Université de Nancy 2, 2006

Pre-prints


  • Ramos Terrades,O. , Berenguel, A. and Gil, D. A flexible outlier detector based on a topology given by graph communities Arxiv, 2020

  • Berenguel Centeno, A., Ramos Terrades, O., Lladós Canet, J. and Cañero Morales, C. Identity Document and banknote security forensics: a survey Arxiv, 2019

  • Cruz, F. and Ramos Terrades, O. A probabilistic framework for handwritten text line segmentation Arxiv (preprint), 2018

Papers in peer-reviewed journals


  • Riba, P., Goldmann, L. Ramos Terrades, O., Rusticus, D., Fornés, A. and Lladós, J. Table detection in business document images by message passing networks Pattern Recognition 2022

  • Gautam, B., Ramos Terrades, O., Pujadas-Mora, J. M. and Valls, M. Knowledge graph based methods for record linkage Pattern Recognition Letters, 136:127--137 2020

  • Do, T., Ramos Terrades, O. and Tabbone, S. DSD: document sparse-based denoising algorithm Pattern Analysis and Applications, 2019,

  • Do, T., Tabbone, S. and Ramos Terrades, O. Sparse representation over learned dictionary for symbol recognition Signal Processing, 2016, Vol. 125, pp. 36-47

  • Álvaro, F., Cruz, F., Sánchez, J.-A., Ramos Terrades, O. and Benedí, J.-M. Structure detection and segmentation of documents using 2D stochastic context-free grammars Neurocomputing, 2015 (Part A), pp. 147-154

  • de las Heras, L.-P., Ramos Terrades, O., Robles, S. and Sánchez, G. CVC-FP and SGT: a new database for structural floor plan analysis and its groundtruthing tool International Journal on Document Analysis and Recognition, 2015, Vol. 18(1), pp. 15-30

  • Rusiñol, M., de las Heras, L.-P. and Ramos Terrades, O. Flowchart recognition for non-textual information retrieval in patent search Information Retrieval, 2015, Vol. 17(5-6), pp. 545-562

  • Chanda, S., Pal, U. and Ramos Terrades, O. Word-wise Thai and Roman script identification ACM Transactions on Asian Language Information Processing, 2009, Vol. 8(3)

  • Visani, M., Ramos Terrades, O. and Tabbone, S. A protocol to characterize the descriptive power and the complementarity of shape descriptors International Journal on Document Analysis and Recognition, 2011, Vol. 14(1), pp. 87-100

  • Ramos Terrades, O., Valveny, E. and Tabbone, S. Optimal classifier fusion in a non-bayesian probabilistic framework IEEE Transactions on Pattern Analysis and Machine Intelligence, 2009, Vol. 31(9), pp. 1630-1644

  • Ramos Terrades, O. and Valveny, E. A new use of the ridgelets transform for describing linear singularities in images Pattern Recognition Letters, 2006, Vol. 27(6), pp. 587-596

International Conferences


  • Suso, A., Riba, P., Ramos Terrades, O. and Lladós, J. A Self-supervised Inverse Graphics Approach for Sketch Parametrization Proceedings of the International Conference on Document Analysis and Recognition Workshops, ICDAR, 2021, Vol. 1, pp. 28-41,

  • Riba, P. Molina, A., Gómez, L., Ramos Terrades, O. and Lladós, J. Learning to Rank Words: Optimizing Ranking Metrics for Word Spotting Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2021, Vol. 2, pp. 381-395,

  • Molina, A., Riba, P. and Gómez, L., Ramos Terrades, O. and Lladós, J. Date Estimation in the Wild of Scanned Historical Photos: An Image Retrieval Approach Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2021, Vol. 2, pp. 306-320,

  • Riba, P., Dutta, A., Goldmann, L., Fornés, A. Ramos Terrades, O. and Lladós, J. Table Detection in Invoice Documents by Graph Neural Networks Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2019, pp. 122-127,

  • Berenguel Centeno, A., Ramos Terrades, O., Lladós Canet, J. and Cañero Morales, C. Recurrent Comparator with Attention Models to Detect Counterfeit Documents Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2019, pp. 1332-1337,

  • Berenguel, A., Ramos Terrades, O., Canet, J. and Morales, C. Evaluation of Texture Descriptors for Validation of Counterfeit Documents Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2017, Vol. 1, pp. 1237-1242

  • Berenguel, A., Ramos Terrades, O., Canet, J. and Morales, C.E-Counterfeit: A Mobile-Server Platform for Document Counterfeit Detection Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2017, Vol. 9, pp. 15-20

  • Jarraya, H., Ramos Terrades, O. and Llados, J. Learning Structural Loss Parameters on Graph Embedding Applied on Symbolic Graphs Proceedings of the International Workshop on Graphics Recognition (GREC), 2017, Vol. 2, pp. 41-42

  • Berenguel, A., Ramos Terrades, O., Llados, J. and Canero, C. Banknote Counterfeit Detection through Background Texture Printing Analysis Proceedings - 12th IAPR International Workshop on Document Analysis Systems, DAS 2016, 2016, pp. 66-71

  • Bertrand, R., Ramos Terrades, O., Gomez-Kramer, P., Franco, P. and Ogier, J.-M. A Conditional Random Field model for font forgery detection Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2015, Vol. 2015-November, pp. 576-580

  • De Las Heras, L.-P., Ramos Terrades, O., Llados, J., Fernandez-Mota, D. and Canero, C. Use case visual Bag-of-Words techniques for camera based identity document classification Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2015, Vol. 2015-November, pp. 721-725

  • De Las Heras, L.-P., Ramos Terrades, O. and Llados, J. Attributed Graph Grammar for floor plan analysis Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2015, Vol. 2015-November, pp. 726-730

  • Cruz, F. and Ramos Terrades, O.EM-based layout analysis method for structured documents Proceedings - International Conference on Pattern Recognition, 2014, pp. 315-320

  • Do, T.-H., Tabbone, S. and Ramos Terrades, O. Spotting symbol using sparsity over learned dictionary of local descriptors Proceedings - 11th IAPR International Workshop on Document Analysis Systems, DAS 2014, 2014, pp. 156-160

  • Bertrand, R., Gomez-Kramer, P., Ramos Terrades, O., Franco, P. and Ogier, J.-M. A system based on intrinsic features for fraudulent document detection Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2013, pp. 106-110

  • Cruz, F. and Ramos Terrades, O. Handwritten line detection via an em algorithm Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2013, pp. 718-722

  • Do, T.-H., Tabbone, S. and Ramos Terrades, O. Document noise removal using sparse representations over learned dictionary DocEng 2013 - Proceedings of the 2013 ACM Symposium on Document Engineering, 2013, pp. 161-168

  • Do, T., Tabbone, S. and Ramos Terrades, O.New approach for symbol recognition combining shape context of interest points with sparse representation Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2013, pp. 265-269

  • Do, T.-H., Tabbone, S. and Ramos Terrades, O. Text/graphic separation using a sparse representation with multi-learned dictionaries Proceedings -

  • Fernandez, F. and Ramos Terrades, O. Document segmentation using Relative Location Features Proceedings - International Conference on Pattern Recognition, 2012, pp. 1562-1565

  • Rusiñol, M., De Las Heras, L.-P., Mas, J., Ramos Terrades, O., Karatzas, D., Dutta, A., Sáanchez, G. and Lladáos, J. CVC-UAB's participation in the flowchart recognition task of CLEF-IP 2012 CEUR Workshop Proceedings, 2012, Vol. 1178

  • Ramos Terrades, O., Serrano, N., Gordó, A., Valveny, E. and Juan, A. Interactive-predictive detection of handwritten text blocks Proceedings of SPIE - The International Society for Optical Engineering, 2010, Vol. 7534

  • Ramos Terrades, O., Toselli, A., Serrano, N., Vidal, E., Juan, A. and Romero, V. Interactive layout analysis and transcription systems for historic handwritten documents DocEng2010 - Proceedings of the 2010 ACM Symposium on Document Engineering, 2010, pp. 219-222

  • Serrano, N., Tarazón, L., Pérez, D., Ramos Terrades, O. and Juan, A. The GIDOC prototype Proceedings of the 10th International Workshop on Pattern Recognition in Information Systems, PRIS 2010, in Conjunction with ICEIS 2010, 2010, pp. 82-89

  • Pérez, D., Tarazón, L., Serrano, N., Castro, F., Ramos Terrades, O. and Juan, A. The GERMANA database Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2009, pp. 301-305

  • Chouaib, H., Ramos Terrades, O., Tabbone, S., Cloppet, F. and Vincent, N. Feature selection combining genetic algorithm and adaboost classifiers Proceedings - International Conference on Pattern Recognition, 2008

  • Nguyen, T.-O., Tabbone, S. and Ramos Terrades, O. Symbol descriptor based on shape context and vector model of information retrieval DAS 2008 - Proceedings of the 8th IAPR International Workshop on Document Analysis Systems, 2008, pp. 191-197

  • Tabbone, S., Ramos Terrades, O. and Barrat, S. Histogram of Radon transform. A useful descriptor for shape retrieval Proceedings - International Conference on Pattern Recognition, 2008

  • Chanda, S., Ramos Terrades, O. and Pal, U. SVM based scheme for Thai and English script identification Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2007, Vol. 1, pp. 551-555

  • Ramos Terrades, O., Tabbone, S. and Valveny, E. A review of shape descriptors for document analysis Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2007, Vol. 1, pp. 227-231

  • Ramos Terrades, O., Tabbone, S. and Valveny, E. Combination of shape descriptors using an adaptation of boosting Proceedings - International Conference on Pattern Recognition, 2006, Vol. 2, pp. 764-767

  • Ramos Terrades, O. and Valveny, E. Local norm features based on ridgelets transform Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2005, Vol. 2005, pp. 700-704

  • Ramos Terrades, O. and Valveny, E. Radon transform for lineal symbol representation Proceedings of the International Conference on Document Analysis and Recognition, ICDAR, 2003, Vol. 2003-January, pp. 195-199

Book Chapters


  • De las Heras, L.-P., Ramos Terrades, O. and Lladós, J. Ontology-based understanding of architectural drawings Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2017, Vol. 9657 LNCS, pp. 75-85

  • Ha, D., Tabbone, S. and Ramos Terrades, O. Spotting symbol over graphical documents via sparsity in visual vocabulary Communications in Computer and Information Science, 2017, Vol. 709, pp. 59-70

  • Jarraya, H., Ramos Terrades, O. and Lladós, J. Graph embedding through probabilistic graphical model applied to symbolic graphs< Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2017, Vol. 10255 LNCS, pp. 392-399

  • Brughi, F., Gil, D., Badiella, L., Casabella, E. and Ramos Terrades, O. Exploring the impact of inter-query variability on the performance of retrieval systems Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2014, Vol. 8814, pp. 413-420

  • Tabbone, S. and Ramos Terrades, O. An overview of symbol recognition Handbook of Document Image Processing and Recognition, 2014, pp. 523-551

  • Álvaro, F., Cruz, F., Sánchez, J.-A., Ramos Terrades, O. and Benedí, J.-M. Page segmentation of structured documents using 2D stochastic context-free grammars Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2013, Vol. 7887 LNCS, pp. 133-140

  • Ramos Terrades, O., Mas, J. and Rossinyol, M. Interactive Document Retrieval and Classification Intelligent Systems Reference Library, 2013, Vol. 48, pp. 17-30

  • Gibert, J., Valveny, E., Ramos Terrades, O. and Bunke, H. Multiple classifiers for graph of words embedding Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2011, Vol. 6713 LNCS, pp. 36-45

  • Tarazón, L., Pérez, D., Serrano, N., Alabau, V., Ramos Terrades, O., Sanchis, A. and Juan, A. Confidence measures for error correction in interactive transcription handwritten text Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2009, Vol. 5716 LNCS, pp. 567-574

  • Ramos Terrades, O., Valveny, E. and Tabbone, S. On the combination of ridgelets descriptors for symbol recognition Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2008, Vol. 5046 LNCS, pp. 40-50

  • Valveny, E., Tabbone, S., Ramos Terrades, O. and Philippot, E. Performance characterization of shape descriptors for symbol representation Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2008, Vol. 5046 LNCS, pp. 278-287

  • Ramos Terrades, O. and Valveny, E. Indexing technical symbols using ridgelets transform Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2004, Vol. 3088, pp. 176-187

  • Ramos Terrades, O. and Valveny, E. Line detection using ridgelets transform for graphic symbol representation Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2003, Vol. 2652, pp. 829-837

Menu