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Gemma Sanchez, Alicia Fornes, Joan Mas, & Josep Llados. (2007). Computer Vision Tools for Visually Impaired Children Learning.
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Gemma Sanchez, Alicia Fornes, Joan Mas, & Josep Llados. (2007). Computer Vision Tools for Visually Impaired Children Learning.
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Ernest Valveny, & Philippe Dosch. (2007). A General Framework for the Evaluation of Symbol Recognition Methods. International Journal on Document Analysis and Recognition, vol. 9(1), pp 59–74.
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Josep Llados, Dimosthenis Karatzas, Joan Mas, & Gemma Sanchez. (2008). A Generic Architecture for the Conversion of Document Collections into Semantically Annotated Digital Archives. Journal of Universal Computer Science, 2912–2935.
Keywords: Median Graph, Graph Embedding, Graph Matching, Structural Pattern Recognition
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Marçal Rusiñol, & Josep Llados. (2009). A Performance Evaluation Protocol for Symbol Spotting Systems in Terms of Recognition and Location Indices. IJDAR - International Journal on Document Analysis and Recognition, 12(2), 83–96.
Abstract: Symbol spotting systems are intended to retrieve regions of interest from a document image database where the queried symbol is likely to be found. They shall have the ability to recognize and locate graphical symbols in a single step. In this paper, we present a set of measures to evaluate the performance of a symbol spotting system in terms of recognition abilities, location accuracy and scalability. We show that the proposed measures allow to determine the weaknesses and strengths of different methods. In particular we have tested a symbol spotting method based on a set of four different off-the-shelf shape descriptors.
Keywords: Performance evaluation; Symbol Spotting; Graphics Recognition
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