BL Demo Day - July2011 - (4) OCR for IMPACT Part 1

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Clemens Neudecker's presentation describing how IMPACT has improved the quality of OCR in conjunction with ABBYY FineReader Engine. Delivered at the IMPACT BL Demo Day on the 12th of July 2011.

Technologie

IMPACT OCR in a nutshell Clemens Neudecker, National Library of the Netherlands IMPACT Demo Day, British Library 12/11/11

OCR Process ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ABBYY FineReader ,[object Object],[object Object],[object Object]

Adaptive Binarisation Original scan Prev. binarization New binarization

IMPACT Binarisation ,[object Object],[object Object],[object Object]

Segmentation Blocks/Regions Words Glyphs

IMPACT Segmentation example Pre-Impact FR Engine 9 FR Engine 10 Part of column was misclassified as image

IMPACT Segmentation example v. 9 v. 10 Linear word order errors

IMPACT Segmentation example v. 9 v. 10 Lost text

Languages and Dictionaries ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ALTO: New native export format ,[object Object],[object Object],[object Object]

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