Experimentele tools IMPACT by Lotte Wilms

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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. Experimentele OCR tools Lotte Wilms – Koninklijke Bibliotheek

description

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

Transcript of Experimentele tools IMPACT by Lotte Wilms

Page 1: Experimentele tools IMPACT by Lotte Wilms

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

Experimentele OCR toolsLotte Wilms – Koninklijke Bibliotheek

Page 2: Experimentele tools IMPACT by Lotte Wilms

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

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Word spotting - Introductie

Ontwikkel een alternatieve techniek voor het indexeren van historische documenten Gebaseerd op het spotten van woorden direct op de

afbeelding Vermijdt de reguliere OCR

Drie methoden voor word spotting: Selecteer de query uit een eerder gemaakte lijst met

trefwoorden Query vanaf een voorbeeld Vrije tekst query

Alles is geincorpereerd in een bruikbare tool

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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.

Page 4: Experimentele tools IMPACT by Lotte Wilms

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

Page 5: Experimentele tools IMPACT by Lotte Wilms

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

Query met trefwoord

Page 6: Experimentele tools IMPACT by Lotte Wilms

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

Query vanuit voorbeeld

Page 7: Experimentele tools IMPACT by Lotte Wilms

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

Zoeken met tekst

Page 8: Experimentele tools IMPACT by Lotte Wilms

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

Inventory Extraction Prototype Creëert een lijst van karakters in de tekst zonder kennis van diezelfde tekst voor

gebruik in OCR software

Gebruikt om OCR software efficiënter voor een nieuw lettertype te trainen

Open-source software

Page 9: Experimentele tools IMPACT by Lotte Wilms

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

Page 10: Experimentele tools IMPACT by Lotte Wilms

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

Typewritten OCR Prototype OCR software voor getypte documenten

– Elk karakter wordt apart bekenen, verbeterd en hierdoor beter herkend