Werkzeuge zur Bildoptimierung


Gerd Zechmeister of the Austrian National Library talked about different approaches to improve OCR accuracy by working on the many challenges inherent in the digital images of historical texts (e.g. geometrical correction against curves and creases; removal of black borders around pages, better binarisation, …).

Strategische Werkzeuge


Mark-Oliver Fischer from the Bavarian State Library presented the so-called “strategic tools”, paper-bound and electronic resources designed to disseminate knowledge of digitisation and full text.

Evaluation Framework and Taverna – with Clemens Neudecker


IMPACT Interoperability Framework (IIF) After seeing so many tools introduced during the day, Clemens now considers how you can pull them all together into a usable service for the mass digitisation and OCR of historic text.

Lexical Tools with Katrien Depuydt


Katrien Depuydt of INL started her talk with considering the difference between a lexicon and an electronic dictionary and then covered how a computer lexicon is defined.

IMPACT Online Resources


Neil Fitzgerald gave a clear overview of the materials that will be provided by the IMPACT project through the new website, including the: Decision Support Tools Learning Resource Toolkit Online Learning Resources (OER available as Xerte Resources on CC licenses) Help Desk

The OCR process – Clemens Neudecker & Niall Anderson


IMPACT work with ABBYY IMPACT has been working with both ABBYY and IBM on OCR and Clemens starts with outlining all the steps required during the OCRing process and the extension of the FineReader Engine so it performs better with historical text.

Image Enhancement talk from Niall Anderson


Niall took us through an overview of why Image Enhancement was necessary  for OCR use and what the current state of the art is as practiced by the  IMPACT partners.

Recent Developments in OCR


Now Apostolos Antonacapoulos of USAL is presenting Permormance Evaluation in Document Recognition Workflows, showing the way the sophisticated Ground Truth in IMPACT is produced, and how it is used to evaluate all tools that contibute to OCR results. He tells us that for him, as an image scientist, IMPACT was a wonderful opportunity to gather … Continue reading "Recent Developments in OCR"

IMPACT Framework en Evaluatie – Clemens Neudecker #impactdemo


Clemens Neudecker, IMPACT technical project manager, presents the IMPACT Framework that enables end users to interact with IMPACT tools and applications in a clear and consistent way. The Framework consists of open source software components and is based on open standards.

Computerlexica in OCR en zoekmachines – Katrien Depuydt van INL op #IMPACTDemo


Computerlexicon Wat doen lexica in IMPACT Gereedschappen voor het bouwen van lexica Resultaten Demonstratie zoeken