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To save the text, cut and paste, or click save to create a plain text or HTML file. If you change any options and click recognize again, the text is added to the end–this is convenient for quickly comparing output. The text will show up as a single document on the right hand panel. Just select some images and click recognize all pages. YAGF’s very simple interface and workflow makes jumping right into OCR easy.Barbara Graziosi and funded by the European Research Council.

#OCR TOOL LINUX SOFTWARE#

The company formation and initial development of the software have been funded by a Proof-of-Concept grant awarded by the European Research Council, on the basis of research developed as part of the project Living Poets: A New Approach to Ancient Poetry, directed by Prof. Rescribe Ltd is a not-for-profit, spin-out company based on research carried out at Durham University.

A Pipeline for the Ages: Medieval Manuscript OCR from the comfort of your own home, Lightning Talk for the Schoenberg Symposium 2020.

A Scholar's Guide to using Optical Character Recognition, a 5 lesson course on, 2021.

rescribe.xyz/utils package - miscellaneous commands and small packages.

rescribe.xyz/preproc package - various image processing methods which are useful for preprocessing page images.

rescribe.xyz/bookpipeline package - various tools and functions for the OCR of books, with a focus on distributed OCR using short-lived virtual servers.

#OCR TOOL LINUX WINDOWS#

Rescribe desktop tool - an all-in-one preprocessing, OCR and analysis tool for Mac, Windows and Linux, based on our server bookpipeline package.There is a tour of our tools on our blog that describes what they all do, how they fit together, and which tools and libraries are likely to be particularly useful for others.

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While our workflow primarily uses a distributed system with virtual servers, all useful functionality, including image preprocessing, postprocessing analysis, and final PDF generation tools are also made available as separate self-contained commands within the packages. Our recent tools have mostly been written in our favourite language, Go.

#OCR TOOL LINUX FREE#

We release all of the tools we create as free software under the GPLv3 license.

Training Tesseract for Ancient Greek OCR, The Eutypon 28-29, 2012.

Modelling Medieval Hands: Practical OCR for Caroline Minuscule, Digital Humanities Quarterly 13.1, 2019.

Reading in the mist: High-quality optical character recognition based on freely available early modern digitized books, DSH: Digital Scholarship in the Humanities (forthcoming).

Middle Temple Library, Gabriel Powel's De adiaphoris theses theologicæ ac scholasticæ (2016).

Durham Priory Library, Various manuscripts (2017).

University of Groningen, The normalisation of natural philosophy, ERC Starting Grant project, processing 600 printed books from 17th - 20th Century (2019-2021).

Rescribe Open Source Desktop tool, financed by Kickstarter campaign (2021-2022).

While they may seem simple, PDFs are a surprisingly complex, sometimes tricky file format to produce correctly, so here we’ll run through some of the ways we get really good PDFs out of our pipeline, and exactly what “good” means in this context. Recently we have been putting some effort into improving the PDF output from our tools, which have all made it into the latest release of rescribe (v0.5.1). This release brings several major new features, a graphical interface, support for reading PDFs directly, and an integrated Google Book downloader chief among them.

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It’s free to download now from our Rescribe page, and it will work on Mac OS X, Windows and Linux. Today we’re very happy to announce the v1.0.0 release of the desktop OCR tool Rescribe. Recent blog posts Rescribe Desktop Tool v1.0.0 released Where higher accuracy is required, the output can be optionally proofread to ensure that requirements are met. A set of analytical tools allows us to quickly assess the relative quality of the output and devote more attention to problem areas. We naturally aim to deliver output of optimum accuracy however, the quality can depend on a number of factors beyond our control (such as quality of page and scan, fonts and otherwordly characters). The final output can be delivered as raw text files, searchable PDFs or hOCR format. The postprocessing step includes a basic sanity check to ensure the quality of the output. Our OCR uses the open source engine Tesseract, with bespoke models trained for the respective texts. We use bespoke binarization software to convert images to black and white, despeckle them and optionally clear the margins.

Our service is comprised of three steps: Preprocessing and OCR of images or PDFs, and postprocessing. We built a brand new free and open source desktop tool for historic OCR on Mac, Linux and Windows.

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