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Oriol Ramos Terrades. 2003. Descripcio i classificacio de simbols tecnics usant la transformada de crestetes.
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Josep Llados, Ernest Valveny, Gemma Sanchez and Enric Marti. 2003. A Case Study of Pattern Recognition: Symbol Recognition in Graphic Documentsa. Proceedings of Pattern Recognition in Information Systems. ICEIS Press, 1–13.
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Gemma Sanchez and 6 others. 2003. A system for virtual prototyping of architectural projects. Proceedings of Fifth IAPR International Workshop on Pattern Recognition.65–74.
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Ernest Valveny and Enric Marti. 2003. A model for image generation and symbol recognition through the deformation of lineal shapes. PRL, 24(15), 2857–2867.
Abstract: We describe a general framework for the recognition of distorted images of lineal shapes, which relies on three items: a model to represent lineal shapes and their deformations, a model for the generation of distorted binary images and the combination of both models in a common probabilistic framework, where the generation of deformations is related to an internal energy, and the generation of binary images to an external energy. Then, recognition consists in the minimization of a global energy function, performed by using the EM algorithm. This general framework has been applied to the recognition of hand-drawn lineal symbols in graphic documents.
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Josep Llados and Gemma Sanchez. 2004. Graph Matching vs. Graph Parsing in Graphics Recognition: A Combined Approach.
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Gemma Sanchez, Ernest Valveny, Josep Llados, Joan Mas and N. Lozano. 2004. A platform to extract knowledge from graphic documents. Application to an architectural sketch understanding scenario.
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Philippe Dosch and Josep Llados. 2004. Vectorial Signatures for Symbol Discrimination.
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Gemma Sanchez and Josep Llados. 2004. Syntactic models to represent perceptually regular repetitive patterns in graphic documents.
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Oriol Ramos Terrades, Salvatore Tabbone, L. Wendling and Ernest Valveny. 2004. Symbol Recognition based on a Multiresolution Analysis of the Radon Transform.
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Ernest Valveny and Philippe Dosch. 2004. Symbol Recognition Contest: A Synthesis.
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