Technology / Document



LEADTOOLS provides fast and accurate Intelligent Character Recognition SDK technology for .NET (C# & VB), C/C++, WinRT, iOS, OS X, Java and Web developers. Leverage LEADTOOLS' high-level ICR toolkit to rapidly develop robust, high-performance recognition applications which incorporate features and benefits such as extracting hand-written text from scanned documents, saving time and money over manual data entry, and converting images to text-searchable formats such as PDF, PDF/A and Microsoft Word.

Overview of LEADTOOLS ICR SDK Technology

  • Fast, accurate and reliable intelligent character recognition of handwritten text for use in any application or environment
    • Large volume document batch processing
    • Single and multi-page documents
    • Web and Cloud applications
  • Comprehensive multi-thread support for maximum performance
  • Fully-featured SDK
    • High-level classes for one-shot recognition from image to final document
    • Low-level functionality for full customization
  • Spell checking and dictionary support
  • Automatically detect, segment and recognize multiple languages on the same document
  • Full page analysis and Zonal recognition
  • Unique color and bitonal image recognition for scanned documents and pictures
  • Automatic document cleanup
    • Omni-directional noise removal
    • Undither text
    • Dot matrix correction
    • Option to remove lines from tables
  • Automatic document preprocessing
    • Deskew of scanned document
    • Detect and correct the orientation of the document (flipped or reversed) with multi or single-page modes
  • Fully configurable recognition engine
    • Narrow down possible results with character and numeric filters
    • Multiple voting techniques for enhanced accuracy
    • Trace and progress callbacks
    • Enable/Disable font characteristics for fast text only recognition
  • Comprehensive reporting for text results
    • Character location, size and baseline
    • Character attributes (end of word, end of line, end of paragraph, etc.)
    • Font properties (monospace, proportional, serf, sans-serif, bold, italic, underline, strikethrough)
    • Confidence values
    • Obtain the recognized words directly for a zone or page without saving to an external document
  • Output searchable text document formats such as PDF, PDF/A, DOC, DOCX, XML, XPS and more, maintaining the original look and feel
    • Text with detected font characteristics (font-family name, style, size, bold, italic, underline and strikeout etc.)
    • Location
    • Tables reconstruction
    • Layout
    • Graphics
  • Integrates seamlessly with LEADTOOLS Forms Recognition and Processing
  • Implement large scale distributed ICR applications using LEADTOOLS Distributed Computing SDK

Automatic Zone Recognition
Automatically segments an image into various zones which can improve recognition accuracy and efficiency

Manual Zone Recognition
Allow the user to draw and recognize text from specific regions of interest

Zone Types

  • Paragraph
  • Text
  • Numeric
  • Table
  • MICR
  • Graphic

Other LEADTOOLS SDK Technologies Related to ICR

LEADTOOLS SDK Products that Include ICR SDK Technology

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LEADTOOLS ICR Module - Professional

The LEADTOOLS Professional ICR Module adds adds methods and classes for incorporating intelligent character recognition (ICR) and optical character recognition (OCR) technology into applications and includes everything programmers need to develop robust, high performance and scalable image recognition solutions. The LEADTOOLS Professional ICR Module includes the LEADTOOLS Professional OCR Module and seamlessly integrates with LEADTOOLS SDKs in the Document and Medical product lines.

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