IMPACT Demo Dag Koninklijke Bibliotheek, 16 February 2011, The Hague, Netherlands.

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.
IMPACT Framework en Evaluatie
Clemens Neudecker, Technisch Project Manager IMPACT

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.
Achtergrond: Een uiteenlopende set van tools
 Verschillende tools van diverse ontwikkelaars,
gericht op specifieke problemen
 Verschillende platforms (Windows/Linux),
executables, DLL’s, SDK’s, broncode
 Prototypes of proof-of-concept,
state-of-the-art commerciële producten
 Gebruikers zonder of met weinig achtergrond in computers

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.
IMPACT Framework
“Een uniform technisch framework waarmee eindgebruikers op een duidelijke
en consistente manier met IMPACT tools en applicaties kunnen werken”
 Opgebouwd uit open source
software componenten
(Apache License 2.0)
 Gebaseerd op open
standaarden
 Service oriented architecture,
distributed processing

4. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.
Applicatie integratie
 Transformatie van tools naar web services met gebruik van een generieke wrapper
(Java-based)
 Web-based implementatie van tools, platform-onafhankelijk
 Web services kunnen worden gecombineerd in workflows (ketens)

5. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.
Workflow integratie: Mashups
 OCR workflow =
data pipeline
 Bouwstenen =
stappen in het proces
(knooppunten)
 Integratie =
interactie tussen
knooppunten
 Samenwerking myGrid

6. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.
Workflow management
 Web 2.0 style registry: myExperiment
 Lokale client: Taverna Workbench
 Web client: project website

7. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.
Voordelen
 Flexibel
 Modulair
 Transparant
 Mogelijkheid tot uitbreiding
 Kan gebruikt worden als: productieplatform, evaluatie framework,
systeem voor digitale duurzaamheid – en nog veel meer!

8. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.
Evaluatie
 Bibliotheken selecteren afbeeldingen voor datasets
(toevallig & met focus op een collectie)
 Ground truth wordt geproduceerd
(100% correcte tekst en lay-out)
 Vergelijking van workflows
(verschillende combinaties van tools)

9. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.
Image Datasets
 Collectie van datasets per institutie, status November 2010:
- 534,193 afbeeldingen in totaal (met uniek ID)
- 3.2 TB aan ruimte
- Metadata

10. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.
Ground Truth
 Ground truth = 100% correcte transformatie van tekst en lay-out (coordinaten)
 PAGE formaat specificatie
 Ground truthing tools
 Ground truthing richlijnen
 Grote handmatige inspanning,
niet triviaal!

11. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.
IMPACT Framework
 Modulaire en transparente methode voor evaluatie van specifieke workflows

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

13. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.
Gedeeltelijk
Evaluatie: Layout en Segmentatie
Gemist gemist
Samen-smelten
Gesplitst
Ground Truth
Segmentatie
Resultaat
Mis-classi-ficatie
(Onder)titel
Paragraaf

14. IMPACT is supported by the European Community under the FP7 ICT Work Programme. The project is coordinated by the National Library of the Netherlands.
Live Demonstratie
 Workflow registry
 Lokale client
 Web client

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