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IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.




Tools for Document Image Analysis and Search
   Ioannis Pratikakis, Basilis Gatos and Anastasios Kesidis

   Computational Intelligence Laboratory
   Institute of Informatics and Telecommunications
   National Center for Scientific Research "Demokritos"
   GR-153 10 Agia Paraskevi, Athens, Greece
   May 7, 2010
   Bratislava
IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.




Word spotting Architecture
                                                                                          Document
                                                                                           corpus




   The main operational parts of the Word
   Spotting engine are:                                                                PRE-PROCESSING
                                                                                                                                        Keywords
                                                                                                                                           list


                                                                                              TR1
                                                                                             Image
                                                                                          enhancement
                                                                                                                Segmented               Synthetic    Character
 Marking character templates                                                                                     words                 keyword      templates

                                                                                             TR2
                                                                                          Segmentation
                                                                                                                 Feature                 Feature

 Feature extraction & word matching
                                                                                                                extraction              extraction


                                                                                                                         Similarity
                                                                                                                        measurement



 User feedback                                                                                                               Initial
                                                                                                                             ranking
                                                                                                                              results



 Searching                                                                                                                    Final
                                                                                                                             ranking
                                                                                                                              results



 User access control
                                                                                                               Mark keyword instances in
                                                                                                                      documents



                                                                                                                                                                 2
IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.




For future inquiries :



 Ioannis PRATIKAKIS (ipratika@iit.demokritos.gr)

 Basilis GATOS (bgat@iit.demokritos.gr)




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Bratislava WS - Pratikakis - NCSR - image analysis tools_pdf

  • 1. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands. Tools for Document Image Analysis and Search Ioannis Pratikakis, Basilis Gatos and Anastasios Kesidis Computational Intelligence Laboratory Institute of Informatics and Telecommunications National Center for Scientific Research "Demokritos" GR-153 10 Agia Paraskevi, Athens, Greece May 7, 2010 Bratislava
  • 2. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands. Word spotting Architecture Document corpus The main operational parts of the Word Spotting engine are: PRE-PROCESSING Keywords list TR1 Image enhancement Segmented Synthetic Character  Marking character templates words keyword templates TR2 Segmentation Feature Feature  Feature extraction & word matching extraction extraction Similarity measurement  User feedback Initial ranking results  Searching Final ranking results  User access control Mark keyword instances in documents 2
  • 3. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands. For future inquiries :  Ioannis PRATIKAKIS (ipratika@iit.demokritos.gr)  Basilis GATOS (bgat@iit.demokritos.gr) 3