Rashid Jalal Qureshi Jean-Yves Ramel Hubert Cardot Graph Based Shapes Representation and Recognition. 49-60 2007 conf/gbrpr/2007 GbRPR http://dx.doi.org/10.1007/978-3-540-72903-7_5 db/conf/gbrpr/gbrpr2007.html#QureshiRC07