Comparison of optical character recognition software

This comparison of optical character recognition software includes:

  • OCR engines, that do the actual character identification
  • Layout analysis software, that divide scanned documents into zones suitable for OCR
  • Graphical interfaces to one or more OCR engines
  • Software development kits that are used to add OCR capabilities to other software (e.g. forms processing applications, document imaging management systems, e-discovery systems, records management solutions)
Name
Founded year
Latest
stable version
Latest
release year
 License
Online
 Windows Mac OS X Linux BSD
Android
iOS
 Programming language Languages Fonts Output formats Notes
ABBYY FineReader 1989 16 2023 Proprietary Yes Yes Yes No Yes Yes Yes C/C++ Yes 198
[1]		 All fonts DOC, DOCX, XLS, XLSX, PPTX, RTF, PDF, HTML, CSV, TXT, ODT, DjVu, EPUB, FB2
[2]		 ABBYY also supplies SDKs for embedded and mobile devices. Professional, Corporate and Site License Editions for Windows, Express Edition for Mac.
[3]
AIDA 2016 13.0 2024 Proprietary Yes Yes Yes Yes Yes Yes Yes No All languages using Latin alphabet Machine and handprinted text, Latin alphabet DOCX, XLSX, PPTX, TXT, CSV, PDF, JSON, XML AIDA is able to learn how to extract any value from any document, with a single click on a single document.
[4]
AnyDoc Software 1989 ? ? Proprietary No Yes No No No ? ? VBScript ? ? ? Works with structured, semi-structured, and unstructured documents.
Asprise OCR SDK 1998 15 2015 Proprietary Yes Yes Yes Yes Yes ? ? Java, C#,VB.NET, C/C++/Delphi Yes 20+
[5]		 ? Plain text, searchable PDF, XML
[6]		 Java, C#, VB.NET, C/C++/Delphi SDKs for OCR and Barcode recognition on Windows, Linux, Mac OS X and Unix.
[7]
CuneiForm 1996 1.1 2011 BSD variant No Yes Yes Yes Yes ? ? C/C++ Yes 28 Any printed font HTML, hOCR, native, RTF, TeX, TXT
[8]		 Enterprise-class system, can save text formatting and recognizes complicated tables of any structure
E-aksharayan 2010 Yes No Yes No ? ? 14 RTF, TXT, BRL
GOCR 2000 0.52
[9]		 2018 GPL Yes
[10]		 Yes Yes Yes Yes ? ? C ? 20+ ?
Google Drive OCR or Google Cloud Vision 2015 Proprietary Yes Browser Browser Browser Unknown ? ? Unknown Yes 200+ All fonts text Google blog post
[11]
[12]
Microsoft Office Document Imaging ? Office 2007 2007 Proprietary No Yes No No No ? ? ? ? ? ? Uses OmniPage[citation needed]
Microsoft Office OneNote 2007 2011 ? 2007 Proprietary No Yes No No No ? ? ? ? ? ?
OCRFeeder 2009-03 0.8.5 2022 GPL No No No Yes No ? ? Python ? ? ? Features a full user interface and has a command-line tool for automatic operations. Has its own segmentation algorithm but uses system-wide OCR engines like Tesseract or Ocrad
Ocrad ? 0.29
[13]		 2024 GPL Yes No Yes Yes Yes ? ? C++ Yes Latin alphabet ? Command line
OCRopus 2007 1.3.3 2017 Apache No No Yes Yes Yes ? ? Python ? All languages using Latin script (other languages can be trained) Normal Latin script and Fraktur (other scripts can be trained) TXT, hOCR,
[14] PDF
[15]		 Pluggable framework under active development, used for Google Books
OmniPage 1970s 19.2 2015 Proprietary Yes Yes Yes Yes No ? ? C/C++, C#
[16]		 Yes 125
[17]		 Machine and handprinted fonts DOC/DOCX XLS/XLSX PPTX RTF PDF PDF/A Searchable PDF HTML Text XML ePUB MP3 Product of Nuance Communications
Puma.NET ? ? 2009 BSD No Yes No No No ? ? C# Yes 28 Any printed font .NET OCR SDK based on Cognitive Technologies' CuneiForm recognition engine. Wraps Puma COM server and provides simplified API for .NET applications
ReadSoft ? ? 14? Proprietary No Yes No No No ? ? ? ? ? ? Scan, capture and classify business documents such as invoices, forms and purchase orders integrated with business processes.
Scantron ? ? ? Proprietary No Yes No No No ? ? ? ? ? ? For working with localized interfaces, corresponding language support is required.
SmartScore 1991 10.5.8 2015 Proprietary No Yes Yes No No ? ? ? ? ? ? For musical scores
Tesseract 1985 5.5.0 2024 Apache No Yes Yes Yes Yes ? ? C++, C Yes 100+
[18]		 Any printed font Text, ALTO, hOCR, PAGE,
[19] PDF, others with different user interfaces
[20] or the API		 Developed at HP Labs (1985–1995) and Google (2006–2018
[21]
Name
Founded year
Latest
stable version
Latest
release year
 License
Online
 Windows Mac OS X Linux BSD
Android
iOS
 Programming language
SDK?
 Languages Fonts Output formats Notes

Evaluation

A 2016 analysis of the accuracy and reliability of the OCR packages Google Docs OCR, Tesseract, ABBYY FineReader, and Transym, employing a dataset including 1227 images from 15 different categories concluded Google Docs OCR and ABBYY to be performing better than others.[22]

References

  1. ^ "ABBYY FineReader 14: Technical Specifications". Finereader.abbyy.com. Retrieved 2017-02-23.
  2. ^ "ABBYY FineReader 11: Technical Specifications". Finereader.abbyy.com. Retrieved 2013-09-12.
  3. ^ "Top OCR Software". Ocrworld.com. 2010-03-30. Archived from the original on 2017-02-23. Retrieved 2013-09-12.
  4. ^ "AIDA". TCLAB. 2024-12-03. Retrieved 2024-12-03.
  5. ^ "Asprise OCR SDK Features". asprise.com. Retrieved 2014-06-21.
  6. ^ "Asprise Java OCR Library Features". asprise.com. Retrieved 2014-06-21.
  7. ^ "Asprise Java, C#/VB.NET OCR API". asprise.com. 2015-11-19. Retrieved 2015-11-19.
  8. ^ Debian manual page for Cuneiform for Linux version 1.1.0
  9. ^ "GOCR Homepage". wasd.urz.uni-magdeburg.de. Retrieved 2018-10-17.
  10. ^ "GOCR". Jocr.sourceforge.net. Retrieved 2013-09-12.
  11. ^ "Supported languages". Feb 11, 2022.
  12. ^ Ashok Popat (Sep 4, 2015). "IEEE SPS: Optical Character Recognition for Most of the World's Languages". YouTube. Archived from the original on 2021-12-20.
  13. ^ Diaz, Antonio (2024-01-20). "GNU Ocrad 0.29 released" (Mailing list). info-gnu.
  14. ^ OCRopus includes the ocropus-hocr tool which produces hOCR from the recognition results.
  15. ^ In combination with the hocr-tools
  16. ^ "OmniPage CSDK - OCR Document Capture Toolkit | Document Imaging & OCR". Nuance. Archived from the original on 2010-08-24. Retrieved 2013-09-12.
  17. ^ "OmniPage Standard Document Conversion". Nuance. Archived from the original on 2014-03-13. Retrieved 2014-02-25.
  18. ^ Based on count of language training files for version 3.04. Available at the download page.
  19. ^ Usage explained in the Tesseract Readme and FAQ
  20. ^ Such as ODF with OCRFeeder
  21. ^ "GitHub - tesseract-ocr/tesseract: Tesseract Open Source OCR Engine (main repository)". GitHub. Retrieved 2025-03-21.
  22. ^ Assefi, Mehdi (2016-12-01). "OCR as a Service: An Experimental Evaluation of Google Docs OCR, Tesseract, ABBYY FineReader, and Transym". ResearchGate. Retrieved 2019-01-31.

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