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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,

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Presentation on theme: "International Symbol Recognition Contest 2011 current status Mathieu Delalandre 1, Romain Raveaux 2 and Ernest Valveny 3 1 LI, RFAI group, Tours city,"— Presentation transcript:

1 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

2 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

3 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

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

5 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

6 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


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