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FRE 2645 Grec 2003 : 30 July, 2003 Adaptable Vectorisation System Based on Strategic Knowledge and XML Representation Use Delalandre Mathieu¹, Saidali Youssouf¹, Ogier Jean-Marc², Trupin Eric¹ ¹ PSI Laboratory, University of Rouen, 76 821 Mont Saint Aignan, France E-mail: {mathieu.delalandre ; youssouf.saidali ; eric.trupin}@univ-rouen.fr ² L3I Laboratory, University of La Rochelle, 17042 La Rochelle, France E-mail: jmogier@univ-lr.fr
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Grec 2003 : 30 July, 2003Diapo 2 Plan Introduction Image Processing Library Vectorisation Scenario Construction XML use in System Applications Conclusion
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Grec 2003 : 30 July, 2003Diapo 3 Plan Introduction Image Processing Library Vectorisation Scenario Construction XML use in System Applications Conclusion
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Grec 2003 : 30 July, 2003Diapo 4 Introduction Vectorisation Purpose: Applications: Technical document interpretation, Symbol recognition, Chinese handwriting recognition Vectorisation system: Two parts : image processing part and system knowledge use: descriptive “grammar” and strategic “supervision” Vectorisation Graphic data (vector, circle, curve)
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Grec 2003 : 30 July, 2003Diapo 5 Plan Introduction Image Processing Library Strategic Knowledge Based System XML use in System Applications Conclusion
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Grec 2003 : 30 July, 2003Diapo 6 Image Processing Library: (1) Pre-Processing gray level filtering, binarisation, morphology, blob coloring application, noise evaluation
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Grec 2003 : 30 July, 2003Diapo 7 Image Processing Library: (2) Vectorisation Processing skeletonisation, contouring, run decomposition, region decomposition, direct vectorisation “sparse pixel”, object simplification, polygonisation, circle and curve fitting, pruning, merging, … 3 levels: Image: image image Boundary: image structured data Structured data:structured data structured data (image ; structured data) image
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Grec 2003 : 30 July, 2003Diapo 8 Plan Introduction Image Processing Library Strategic Knowledge Based System XML use in System Applications Conclusion
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Grec 2003 : 30 July, 2003Diapo 9 Strategic Knowledge Based System scenario execution and construction with a graphic user interface scenarios are saved into a base (re-use) Y. Saidali, S. Adam, J.M. Ogier, E. Trupin, J. Labiche, “Knowledge Representation and Acquisition for Engineering Document Analysis”, Graphics Recognition (GREC), 2003.
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Grec 2003 : 30 July, 2003Diapo 10 Plan Introduction Image Processing Library Strategic Knowledge Based System XML use in System Applications Conclusion
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Grec 2003 : 30 July, 2003Diapo 11 XML use in System Boundary and structured data levels XML XML Use: Graphic representations: SVG Adaptable result reconstruction: XSLT and XML-QL XML process Final XML result XML file XML file XML file
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Grec 2003 : 30 July, 2003Diapo 12 Plan Introduction Image Processing Library Strategic Knowledge Based System XML use in System Applications Conclusion
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Grec 2003 : 30 July, 2003Diapo 13 Plan Applications: Utility Map
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Grec 2003 : 30 July, 2003Diapo 14 Applications: GREC2003 Contest (1)
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Grec 2003 : 30 July, 2003Diapo 15 Applications: GREC2003 Contest (2)
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Grec 2003 : 30 July, 2003Diapo 16 Applications: GREC2003 Contest (3)
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Grec 2003 : 30 July, 2003Diapo 17 Plan Introduction Image Processing Library Strategic Knowledge Based System XML use in System Applications Conclusion
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Grec 2003 : 30 July, 2003Diapo 18 Conclusion Resume: System based on two parts: Image Processing part Pre Processing Vectorisation Processing System part based on strategic knowledge use XML representation of Data Interests: Easily Adaptability to new Applications Searching the better recognition strategy Perspective: Complete recognition tests
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