International Symbol Recognition Contest 2011 current status Mathieu Delalandre 1, Romain Raveaux 2 and Ernest Valveny 3 1 LI, RFAI group, Tours city,

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International Symbol Recognition Contest 2011 current status Mathieu Delalandre 1, Romain Raveaux 2 and Ernest Valveny 3 1 LI, RFAI group, Tours city, France 2 L3i, IDDC team, La Rochelle, France 3 CVC, DAG group, Barcelona, Spain GREC 2011 Workshop Seoul, Korea Friday 16th of September 2011

International Symbol Recognition Contest 2011 current status segmented symbols bags of symbols logossymbols in context drawings ICPR2000 GREC2003 GREC2005 GREC2007 GREC2011 Past symbol recognition contests: ICPR00, GREC2003, GREC2005 and GREC2007 GREC2011 vs. others symbol recognition contests segmented symbols bags of symbolslogos symbols in context drawings

International Symbol Recognition Contest 2011 current status Image degradation Kanungo Segmented symbols Drawings Segmented symbols in context symbols Building engine Symbol models Setting E. Valveny & al. A general framework for the evaluation of symbol recognition methods. IJDAR, M. Delalandre & al. Generation of Synthetic Documents for Performance Evaluation of Symbol Recognition & Spotting Systems, IJDAR, Building engine Setting Drawings Groundtruth Image degradation Kanungo Random image selection Generation of queries Gaussian Groundtruth recognition localization

International Symbol Recognition Contest 2011 current status segmented symbols symbols in context drawings

iddomainmodelssymbol / models symbolsdistortion 1Technical Rotation 2Technical Scaling 3Technical Both 4Technical Kanungo A 5Technical Kanungo B 6Technical Kanungo C 7Technical Context Training sets International Symbol Recognition Contest 2011 current status iddomainmodelssymbol / models symbolsdistortion #1Technical Mixture #2Technical Mixture #3Technical Mixture #4Technical Context Final datasets iddomainmodelsimagessymbolsdistortion 8Architectural165142None 9Architectural165133Kanungo D 10Architectural165144Kanungo E 11Architectural165128Kanungo F 12Electrical21554None 13Electrical21581Kanungo D 14Electrical21591Kanungo E 15Electrical21562Kanungo F iddomainmodelsimagessymbolsdistortion 5Architectural None 6Architectural Kanungo D 7Architectural Kanungo E 8Architectural Kanungo F 9Electrical None 10Electrical Kanungo D 11Electrical Kanungo E 12Electrical Kanungo F recognition localization

International Symbol Recognition Contest 2011 current status Agenda MarchWebsite online 6 th of April Publication of training datasets 2 sd of MayCall of participation on the TC10 News Letter 1 st to 29 th MayPre-registration and expression of interest 25 th of JulyPublication of final datasets 25 th July, 01 st of AugustContest slot 5 th of AugustFirst deadline extension 12 th of AugustSecond deadline extension Ongoing, post-workshop Characterization of results, submission at LNCS level of the contest report 3 registrations 1 valid submission