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Philippe Dosch and Josep Llados. 2004. Vectorial Signatures for Symbol Discrimination.
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Mathieu Nicolas Delalandre, Jean-Marc Ogier and Josep Llados. 2007. A Fast System for the Retrieval of Ornamental Letter Image. Seventh IAPR International Workshop on Graphics Recognition.51–54.
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Mathieu Nicolas Delalandre, Jean-Marc Ogier and Josep Llados. 2008. A Fast Cbir System of Old Ornamental Letter. In W. Liu, J.L., J.M. Ogier, ed. Graphics Reognition: Recent Advances and New Opportunities.135–144. (LNCS.)
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Philippe Dosch and Ernest Valveny. 2006. Report on the Second Symbol Recognition Contest. Graphics Recognition: Ten Years Review and Future Perspectives, W. Liu, J. Llados (Eds.), LNCS 3926: 381–397.
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Anjan Dutta, Umapada Pal, Alicia Fornes and Josep Llados. 2010. An Efficient Staff Removal Technique from Printed Musical Documents. 20th International Conference on Pattern Recognition.1965–1968.
Abstract: Staff removal is an important preprocessing step of the Optical Music Recognition (OMR). The process aims to remove the stafflines from a musical document and retain only the musical symbols, later these symbols are used effectively to identify the music information. This paper proposes a simple but robust method to remove stafflines from printed musical scores. In the proposed methodology we have considered a staffline segment as a horizontal linkage of vertical black runs with uniform height. We have used the neighbouring properties of a staffline segment to validate it as a true segment. We have considered the dataset along with the deformations described in for evaluation purpose. From experimentation we have got encouraging results.
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Mathieu Nicolas Delalandre, Tony Pridmore, Ernest Valveny, Eric Trupin and Herve Locteau. 2007. Building Synthetic Graphical Documents for Performance Evaluation. Seventh IAPR International Workshop on Graphics Recognition.84–87.
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Mathieu Nicolas Delalandre, Tony Pridmore, Ernest Valveny, Herve Locteau and Eric Trupin. 2008. Building Synthetic Graphical Documents for Performance Evaluation. In W. Liu, J.L., J.M. Ogier, ed. Graphics Recognition: Recent Advances and New Opportunities.288–298. (LNCS.)
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Mathieu Nicolas Delalandre, Jean-Yves Ramel, Ernest Valveny and Muhammad Muzzamil Luqman. 2009. A Performance Characterization Algorithm for Symbol Localization. 8th IAPR International Workshop on Graphics Recognition. Springer, 3–11.
Abstract: In this paper we present an algorithm for performance characterization of symbol localization systems. This algorithm is aimed to be a more “reliable” and “open” solution to characterize the performance. To achieve that, it exploits only single points as the result of localization and offers the possibility to reconsider the localization results provided by a system. We use the information about context in groundtruth, and overall localization results, to detect the ambiguous localization results. A probability score is computed for each matching between a localization point and a groundtruth region, depending on the spatial distribution of the other regions in the groundtruth. Final characterization is given with detection rate/probability score plots, describing the sets of possible interpretations of the localization results, according to a given confidence rate. We present experimentation details along with the results for the symbol localization system of [1], exploiting a synthetic dataset of architectural floorplans and electrical diagrams (composed of 200 images and 3861 symbols).
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Mathieu Nicolas Delalandre, Ernest Valveny and Josep Llados. 2008. Performance Evaluation of Symbol Recognition and Spotting Systems: An Overview.
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Mathieu Nicolas Delalandre, Ernest Valveny and Josep Llados. 2008. Performance Evaluation of Symbol Recognition and Spotting Systems. Proceedings of the 8th International Workshop on Document Analysis Systems,.497–505.
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