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Image Enhancement tools by Lotte Wilms
 

Image Enhancement tools by Lotte Wilms

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Presentation given on the KB IMPACT Demo Day on 16 February 2011 in The Hague.

Presentation given on the KB IMPACT Demo Day on 16 February 2011 in The Hague.

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Image Enhancement tools by Lotte Wilms Image Enhancement tools by Lotte Wilms Presentation Transcript

  • IMPACT Beeldverbetering Lotte Wilms, Koninklijke Bibliotheek
  • Randverwijdering - probleem
  • Randverwijdering - probleem
  • Randverwijdering - probleem
  • Border Removal Border Removal & Page Split B/W image Gray scale or Color image B/W image Gray scale or Color image B/W image Gray scale or Color image B/W image 1 B/W image 2 Gray scale or Color image Gray scale or Color image Randverwijdering - oplossing
  • Randverwijdering - oplossing
  • Randverwijdering - oplossing
  • Original image b/w image Border removal v.1 Border removal v.2 Rand verwijdering – eerste versies
  • Rand verwijdering – versie 4 Binarised with ABBYY FRE10 Binarisation
    • Vervorming van dimensies verslechtert OCR resultaat
    • Ontstaat vanwege de vorm van gedrukt materiaal (gebonden), de camera setup of door de omgeving waarin het werk bewaard wordt
    Pagina vervorming – probleem
  • Page Curl Correction B/W image Gray scale or Color image B/W image Gray scale or Color image Pagina vervorming – probleem
  • Pagina vervorming - oplossing
    • Rechttrekken van tekst op basis van regel en woord segmentatie
    Pagina vervorming - oplossing
  • Origineel Versie 1 Versie 2 Pagina vervorming - oplossing
  • Pagina vervorming - oplossing
  •  Voor Na  Pagina vervorming - oplossing