Optical character recognition systems (OCR)

• OCRAD
• GOCR
• Tesseract (and Tess4J)
  • Training Tesseract
  • An Overview of the Tesseract OCR Engine
  • How to build Tesseract 3.03 with Visual Studio 2013
  • Pre-build ×32/×64 Tesseract 3.02 DLLs
  • Сборка Tesseract OCR под MinGW
• Cuneiform (CuneiForm on CognitiveForms, original web site)
• Aspose.OCR for Java
• OCRopus
• Clara OCR
• TopOCR – Free OCR for digital cameras
• Построение системы оптического распознавания структурной информации на примере Imago OCR
• BeyondRecognition
• IMPACT OCR Engines

• Java OCR implementation
• Asprise OCR SDK v4.0 for Java
• OCR error correction algorithms

Chinese OCR:

• MovoImage
• Readisis
• NewSoft OCR

• ImageMagick скрипт – обрабатывает фотографии белой учебной доски, очищая “содержимое” от всего лишнего
• Нелокальный алгоритм для сглаживания изображений
• Бинаризация изображений: алгоритм Брэдли

See also topics about images:

• ABBY recognition server
  • ABBYY Cloud OCR SDK
• ABBYY Screenshot Reader
• OCR Terminal¹⁾
• WiseTREND OCR Cloud²⁾
• Saaspose.OCR REST service documentation
• Online OCR – Онлайн сервис распознавания текста
• NHocr
• NewOCR
• WeOCR
• Evernote

• NovoVerus – advanced OCR with global language support
• Aspose.OCR for Java and .NET
• Технология распознавания этикеток на примере ярлыков из IKEA
  • SmartHelper

• Системы оптического распознавания текста в Linux: обзор и сравнительное тестирование
• Ocrad, GOCR, Tesseract comparison
• ABBY OCR, Cuneiform, GOCR, Ocrad, Tesseract comparison
• OCRing typescript: A benchmarking test with PRImA – comparison of Abbyy FineReader and Tesseract on selection of 20 documents
• List of optical character recognition software

• Tapas Kanungo's Optical Character Recognition (OCR) Page
• Optical Character Recognition Checklist
• Handbook of character recognition and document image analysis
• Reading in the Brain: The Science and Evolution of a Human Invention [2009] by Stanislas Dehaene
• Using forms automation to boost enterprise productivity [2006] (ISBN: 0892584106)
• Character Recognition Systems: A Guide for Students and Practitioners [2007] by Cheriet, Kharma, Liu, Suen (ISBN: 0471415707)
• Handbook of Character Recognition and Document Image Analysis [1997] by H. Bunke, P.S.P. Wang (ISBN: 981022270X)
• The Fifth Annual Test of OCR Accuracy [1996] by Rice, Jenkins, and Nartker
• Recognition Of Handwritten Numerals Using Elastic Matching [1995] by Patrice Scattolin
• Measuring Mass Text Digitization Quality and Usefulness (2009) by Simon Tanner et al.
• The Fifth Annual Test of OCR Accuracy (1996) by Stephen V. Rice et al.