IMPACT Final Conference - Hildelies Balk-Pennington de Jongh

Hildelies Balk, IMPACT Project Director, KB National Library of the Netherlands IMPACT: Challenges and solutions

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Language Challenges Historical variants of the Dutch word ‘wereld’ (world): werelt weerelt wereld weerelds wereldt werelden weereld werrelts waerelds weerlyt wereldts vveerelts waereld weerelden waerelden weerlt werlt werelds sweerels zwerlys swarels swerelts werelts swerrels weirelts tsweerelds werret vverelt werlts werrelt worreld werlden wareld weirelt weireld waerelt werreld werld vvereld weerelts werlde tswerels werreldts weereldt wereldje waereldje weurlt wald we ë led

Answering the challenges – IMPACT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IMPACT - Approach ,[object Object],[object Object],[object Object],Image enhancement: Binarisation noise removal geometrical defects correction NSCR,USAL, ABBYY OCR ABBY FR IBM Adaptive Dictonaries/interface LMU,INL Experimental engines USAL,NCSR,UIBK ,[object Object],[object Object],Post correction and Enrichment CONCERT IBM Error Profiler LMU Language resources 9 partners Document Understanding Platform UIBK Preparation and scanning: guidelines and case studies All partners -/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-

IMPACT – Approach continued ,[object Object],[object Object],[object Object],[object Object]

IMPACT Achievements: summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Results: Better and Faster ,[object Object],[object Object],[object Object],Image enhancement: Binarisation noise removal geometrical defects correction NSCR,USAL, ABBYY OCR ABBY FR IBM Adaptive Dictonaries/interface LMU,INL Experimental engines USAL,NCSR,UIBK ,[object Object],[object Object],Post correction and Enrichment CONCERT IBM Error Profiler LMU Language resources 9 partners Document Understanding Platform UIBK Better:hybrid line segmentation on 2700 text lines SOA 90,9 ->98,8% IMPACT Better:recognition old fonts FR9->FR10 improved 25% Better, faster:Adaptive OCR on small testset halves FOM (post processing level required) Faster: CONCERT increases correction speed up to 40% Faster: postcorrection with Error Profiler up to 2,7 times faster than without Better: page split detected on 3.000 images from dataset: SOA 73%->94% IMPACT Better: language resources show improvement for all 9 languages

Results: Cheaper ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Benefits for the Digital Library ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Benefits for the End User ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IMPACT Final Conference - Hildelies Balk-Pennington de Jongh

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