Signature Veriﬁcation Competition for Online and Ofﬂine Skilled Forgeries (SigComp2011)
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The Netherlands Forensic Institute and the Institute for Forensic Science in Shanghai are in search of a signature veri?cation system that can be implemented in forensic casework and research to objectify results. We want to bridge the gap between recent technological developments and forensic casework. In collaboration with the German Research Center for Arti?cial Intelligence we have organized a signature veri?cation competition on datasets with two scripts (Dutch and Chinese) in which we asked to compare questioned signatures against a set of reference signatures. We have received 12 systems from 5 institutes and performed experiments on online and of?ine Dutch and Chinese signatures. For evaluation, we applied methods used by Forensic Handwriting Examiners (FHEs) to assess the value of the evidence, i.e., we took the likelihood ratios more into account than in previous competitions. The data set was quite challenging and the results are very interesting.
Proceedings of the 11th International Conference on Document Analysis and Recognition (ICDAR 2011)
Pattern Recognition and Data Mining