Category: Optical Character Recognition
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"
CONCERT crowdsourcing tool – Lotte Wilms & Ewoud Sanders #impactdemo
Manual correction of OCR is expensive and time-consuming. That’s why IBM has developed the CONCERT tool in IMPACT, a crowdsourcing tool with which users can correct OCR results in a very efficient way. The focus is on productivity – the Adaptive OCR engine is trained on the basis of the corrections, which lowers the number of errors.
The challenges of historical materials and an overview on the technical solutions in IMPACT
Sven Schlarb of the Österreichische Nationalbibliothek (Austrian National Library) now talks about the challenges of text digitisation for OCR and the solutions IMPACT has devised to deal with them. Having outlined the individual tools and the partners responsible for their development, he talks in detail about the ideal IMPACT workflow in which they can all … Continue reading "The challenges of historical materials and an overview on the technical solutions in IMPACT"
OCR in libraries – some practical remarks
Next, Günter Mühlberger of Universitäts- und Landesbibliothek Tirol (University and Regional Library Tyrol) talks about the situation with regard to full-text digitisation in Europe and elsewhere. He notes that in Europe, OCR has not always been a standard part of the workflow, so there is much legacy digital material that has never been OCR’d – … Continue reading "OCR in libraries – some practical remarks"
Optical Character Recognition – introduction and overview
Michael Fuchs of Abbyy starts by explaining the work of his company within IMPACT: Abbyy provides the other partners with access to its FineReader SDK, and uses the experiments and digital text material within IMPACT to hone and test its own products and technology. He identifies Fraktur/Gothic script as being a particular difficulty for state … Continue reading "Optical Character Recognition – introduction and overview"
Fallstudie I: OCR & Strukturierung – Entstehung und Präsentation von unterschiedlichen Erschließungsarten
Karl Märker (BSB) präsentierte drei Beispiele unterschiedlicher Erschließungsarten aus Projekten der Bayerischen Staatsbibliothek, die noch vor IMPACT entstanden. [slideshare id=3334901&doc=mrkercasestudy1karlmaerker-100304080253-phpapp02] http://www.vimeo.com/9914036 Warum überhaupt OCR? OCR bietet nicht nur die Möglichkeit, im Text zu suchen, sondern ermöglicht auch Verweise (Links) innerhalb der Texte, erleichtert das Ausdrucken und die Lesbarkeit bei z.B. Frakturschriften und schlecht erhaltenen Vorlagen, … Continue reading "Fallstudie I: OCR & Strukturierung – Entstehung und Präsentation von unterschiedlichen Erschließungsarten"
Digitalisierung und OCR-Erkennung in Bibliotheken. Einige Anmerkungen aus der Praxis
Günter Mühlberger von der Universitätsbibliothek Innsbruck berichtete davon, wie OCR in bibliothekarischen Digitalisierungsprojekten eingesetzt wurde und wird, sowie was gute und schlechte Digitalisierung für OCR ausmacht.