LEADTOOLS Recognition SDK V20

Includes speed and accuracy improvements to LEAD OCR Engine (formerly Advantage Engine).
January 29, 2018 - 17:00
New Version


New Platforms:
Developers can now write a unified code base and simultaneously target even more platforms and devices falling under the ever-broadening .NET Standard umbrella.

  • .NET Framework - Windows
  • .NET Standard
    • .NET Core - Windows, Linux, and macOS
    • Xamarin - iOS, Android, and UWP
    • UWP (Universal Windows Platform)

New in Document Engine:

  • Recognition Engines
    • Speed and accuracy improvements to LEAD OCR Engine (formerly Advantage Engine).
    • CMC-7 MICR Font.
    • Added North American Driver's License Barcode Decoder to Barcode Engine (AAMVA specification).
    • Answer Area and OMR Date fields for high-level OMR Forms Recognition.
  • Document Viewer (HTML5/JavaScript)
    • Improved speed and accuracy for internal SVG Engine.
    • Printing with DPI.
    • Printing Visible Area/Screenshot.
  • Document Formats
    • Added full support for charts and shapes to all Office formats.
    • Reduced PDF output file size.
    • Optimized loading speed for multi-page Word DOC/DOCX files.
    • Improved matching of original document when writing text with a dark/light background.
    • Added 3JS (three.js) and STL format support.
  • New Image Processing Functions
    • Detect Document.
    • Detect Business Card.
  • Additional updates to the Document Engine
    • Redesigned the WPF ImageViewer to include multiple items, SVG rendering, and User-defined XAML Content.
    • Load EMF and EMF+ files as SVG.
    • Freehand Annotation Selection Tool.
    • Speed improvements to Median filter.
    • Speed optimizations of 30% for loading document and vector files formats.

New in Imaging Engine:

  • New Image Processing Functions.
    • Wiener Filter.
    • Edge Enhancement.
  • Additional updates to the Imaging Engine
    • Background color detection in document images.
    • Image Stitching and scrolling for image viewers.
    • D2D Drawing surface for WPF controls.
    • Mouse Wheel Zoom support for Magnifying Glass.

Changes to the LEADTOOLS Product Line. In Version 20, the OCR engines and respective add-ons were renamed.

  • LEAD Engine (previously Advantage Engine)
    • LEADTOOLS OCR Module - LEAD Engine.
  • OmniPage Engine (previously Professional Engine)
    • LEADTOOLS OCR Module - OmniPage Engine.
    • LEADTOOLS OCR Module - OmniPage Engine with Additional Languages (includes LEADTOOLS OCR Module - OmniPage Engine).
    • LEADTOOLS ICR Module - OmniPage Engine (includes LEADTOOLS OCR Module - OmniPage Engine).
LEADTOOLS Recognition SDK.


Build powerful document imaging and recognition into your applications.

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