Leadtools.Ocr Introduction


The LEADTOOLS OCR Class Library provides programming tools for quickly and easily inserting document optical character recognition (OCR) technology into software applications. Using the LEADTOOLS OCR Class Library, programmers can perform character recognition on document images and output recognized text to over 20 file formats.

LEADTOOLS makes OCR development easier with auto-zone detection, manual zone creation, auto-orientation, document image cleanup, and preset values for common document images that can be used to improve recognition results. The LEADTOOLS OCR Class Library supports over 40 languages and features output document options like specifying document margins and paragraph options.

Supported output formats include:

OCR Engines

The LEADTOOLS OCR Class Library offers support for multiple OCR engines. Currently, LEADTOOLS ships with the following OCR engines:

With the LEADTOOLS OCR Class Library, the internal workings of the various engines are hidden and represented in a uniform class library. You should be able to, if desired, switch among any of the supported OCR engines without changing your application code or logic.

Standard OCR Engine Options

The following standard options are available in all OCR engines:

Key Features

Additional Features:

Supported Environments

Cloud Services

Does your application require document recognition or conversion, but its implementation language is preventing you from using LEADTOOLS directly? Consider using the LEADTOOLS Cloud Services Web API instead. It is a high-powered and scalable Web API. Its hassle-free interface can be used to integrate advanced OCR, barcode, MICR, and document conversion into any application.

See Also


Getting Started (Guide to Example Programs)

Programming with LEADTOOLS .NET OCR

An Overview of OCR Recognition Modules

Creating an OCR Engine Instance

Starting and Shutting Down the OCR Engine

OCR Spell Language Dictionaries

Working with OCR Languages

Working with OCR Pages

Working with OCR Zones

Recognizing OCR Pages

OCR Confidence Reporting

OCR Engine-specific Settings

OCR Tutorial: Working with Pages

OCR Tutorial: Recognizing Pages

OCR Tutorial: Adding and Painting Zones

OCR Tutorial: Working with Recognition Results

OCR Tutorial: Scanning to Searchable PDF

OCR Languages and Spell-Checking


Multi-Threading with LEADTOOLS OCR

Version History

Leadtools.Ocr Assembly Changes

Help Version 21.0.2021.7.2
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© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Ocr Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.