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H. Chouaib, Oriol Ramos Terrades, Salvatore Tabbone, F. Cloppet and N. Vincent. 2008. Feature Selection Combining Genetic Algorithm and Adaboost Classifiers. 19th International Conference on Pattern Recognition.1–4.
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T.O. Nguyen, Salvatore Tabbone and Oriol Ramos Terrades. 2008. Symbol Descriptor Based on Shape Context and Vector Model of Information Retrieval. Proceedings of the 8th IAPR International Workshop on Document Analysis Systems,.191–197.
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H. Chouaib, Salvatore Tabbone, Oriol Ramos Terrades, F. Cloppet, N. Vincent and A.T. Thierry Paquet. 2008. Sélection de Caractéristiques à partir d'un algorithme génétique et d'une combinaison de classifieurs Adaboost. Colloque International Francophone sur l'Ecrit et le Document.181–186.
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T.O. Nguyen, Salvatore Tabbone, Oriol Ramos Terrades and A.T. Thierry. 2008. Proposition d'un descripteur de formes et du modèle vectoriel pour la recherche de symboles. Colloque International Francophone sur l'Ecrit et le Document.79–84.
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Salvatore Tabbone, Oriol Ramos Terrades and S. Barrat. 2008. Histogram of radon transform. A useful descriptor for shape retrieval. 19th International Conference on Pattern Recognition.1–4.
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V.C.Kieu, Alicia Fornes, M. Visani, N.Journet and Anjan Dutta. 2013. The ICDAR/GREC 2013 Music Scores Competition on Staff Removal. 10th IAPR International Workshop on Graphics Recognition.
Abstract: The first competition on music scores that was organized at ICDAR and GREC in 2011 awoke the interest of researchers, who participated both at staff removal and writer identification tasks. In this second edition, we propose a staff removal competition where we simulate old music scores. Thus, we have created a new set of images, which contain noise and 3D distortions. This paper describes the distortion methods, metrics, the participant’s methods and the obtained results.
Keywords: Competition; Music scores; Staff Removal
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M. Visani, V.C.Kieu, Alicia Fornes and N.Journet. 2013. The ICDAR 2013 Music Scores Competition: Staff Removal. 12th International Conference on Document Analysis and Recognition.1439–1443.
Abstract: The first competition on music scores that was organized at ICDAR in 2011 awoke the interest of researchers, who participated both at staff removal and writer identification tasks. In this second edition, we focus on the staff removal task and simulate a real case scenario: old music scores. For this purpose, we have generated a new set of images using two kinds of degradations: local noise and 3D distortions. This paper describes the dataset, distortion methods, evaluation metrics, the participant's methods and the obtained results.
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Marçal Rusiñol, V. Poulain d'Andecy, Dimosthenis Karatzas and Josep Llados. 2013. Classification of Administrative Document Images by Logo Identification. 10th IAPR International Workshop on Graphics Recognition.
Abstract: This paper is focused on the categorization of administrative document images (such as invoices) based on the recognition of the supplier's graphical logo. Two different methods are proposed, the first one uses a bag-of-visual-words model whereas the second one tries to locate logo images described by the blurred shape model descriptor within documents by a sliding-window technique. Preliminar results are reported with a dataset of real administrative documents.
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Marçal Rusiñol, Dimosthenis Karatzas and Josep Llados. 2013. Spotting Graphical Symbols in Camera-Acquired Documents in Real Time. 10th IAPR International Workshop on Graphics Recognition.
Abstract: In this paper we present a system devoted to spot graphical symbols in camera-acquired document images. The system is based on the extraction and further matching of ORB compact local features computed over interest key-points. Then, the FLANN indexing framework based on approximate nearest neighbor search allows to efficiently match local descriptors between the captured scene and the graphical models. Finally, the RANSAC algorithm is used in order to compute the homography between the spotted symbol and its appearance in the document image. The proposed approach is efficient and is able to work in real time.
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Marçal Rusiñol, T.Benkhelfallah and V. Poulain d'Andecy. 2013. Field Extraction from Administrative Documents by Incremental Structural Templates. 12th International Conference on Document Analysis and Recognition.1100–1104.
Abstract: In this paper we present an incremental framework aimed at extracting field information from administrative document images in the context of a Digital Mail-room scenario. Given a single training sample in which the user has marked which fields have to be extracted from a particular document class, a document model representing structural relationships among words is built. This model is incrementally refined as the system processes more and more documents from the same class. A reformulation of the tf-idf statistic scheme allows to adjust the importance weights of the structural relationships among words. We report in the experimental section our results obtained with a large dataset of real invoices.
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