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\bibitem{836} Partha Pratim Roy, Eduard Vazquez, Josep Llados, Ramon Baldrich and Umapada Pal. 2007. A System to Retrieve Text/Symbols from Color Maps using Connected Component and Skeleton Analysis. \textit{In} J. Llados, W.L., J.M. Ogier, \textit{ed}. \textit{Seventh IAPR International Workshop on Graphics Recognition}.79--78.

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