Author: job.vandoeselaar@ivdnt.org
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.
Post processing and language technology in OCR
Jesse De Does from INL follows Katrien by introducing a post-processing Text and Error Profiling tool that looks similar to the IBM tool demonstrated by Niall earlier. This tool differs through the use of ‘text profiling’, whereby language and text is analysed on the basis of frequency and logic. It also allows for batch correction … Continue reading "Post processing and language technology in OCR"
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.
IMPACT Demo Day at British Library – 12th July 2011
The next IMPACT Demo-day was held on the 12th July at the British Library. With an invited audience of around 40 people with about half of these being internal BL staff and half from other institutes and libraries interested in mass digitisation. The BL Demo-day covered a similar breadth of material to previous workshops but … Continue reading "IMPACT Demo Day at British Library – 12th July 2011"
Rouen OCR workshop: more presentations online
The OCR workshop in Rouen concluded with talks on OCR and Typography, OCR Evaluation & Verification and Linguistic Resources for OCR. All presentations are now available from http://www.chu-rouen.fr/plair/doku.php?id=evenements: two presentations from IMPACT staff are inserted below. IMPACT Workshop : 09. OCR at BnF : history, production, projects, research By Geneviève Cron from LITIS Laboratory on … Continue reading "Rouen OCR workshop: more presentations online"
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"
User Specification
The first slot of the day was dedicated to User Specification. Hildelies Balk outlined the challenges of the libraries for OCR of historic texts, and the solutions that IMPACT will provide. Clemens Neudecker showed the Interoperability Framework with the tools for evaluation, which led to lively discussion. We can expect a new influx of tools … Continue reading "User Specification"