![]() ![]() Open issues can be found in issue tracker,Īnd Change Log for more details of the releases. Latest source code is available from main branch on GitHub. Newer minor versions and bugfix versions are available from Major version 5 is the current stable version and started with releaseĥ.0.0 on November 30, 2021. From 2006 until November 2018 it was developed by Google. In 2005 Tesseract was open sourced by HP. Tesseract was originally developed at Hewlett-Packard Laboratories Bristol UK and at Hewlett-Packard Co, Greeley Colorado USA between 19, with some more changes made in 1996 to port to Windows, and some C++izing in 1998. See Tesseract Training for more information. Tesseract can be trained to recognize other languages. If you need one, please see the 3rdParty documentation. This project does not include a GUI application. You should note that in many cases, in order to get better OCR results, you'll need to improve the quality of the image you are giving Tesseract. Tesseract supports various output formats: plain text, hOCR (HTML), PDF, invisible-text-only PDF, TSV and ALTO (the last one - since version 4.1.0). Tesseract supports various image formats including PNG, JPEG and TIFF. Tesseract has unicode (UTF-8) support, and can recognize more than 100 languages "out of the box". It also needs traineddata files which support the legacy engine, for example those from the tessdata repository. Compatibility with Tesseract 3 is enabled by using the Legacy OCR Engine mode (-oem 0). Tesseract 4 adds a new neural net (LSTM) based OCR engine which is focused on line recognition, but also still supports the legacy Tesseract OCR engine of Tesseract 3 which works by recognizing character patterns. This package contains an OCR engine - libtesseract and a command line program - tesseract. ![]()
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