FAQ: Changes to LEADTOOLS OCR

#1 Posted : Friday, December 22, 2017 12:02:08 PM(UTC)

Nick

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What has changed?

The engines offered by LEADTOOLS have been renamed
The OcrEngineType enumeration has been restructured
New runtime files are required
The default location for runtime files has been moved
Some LEADTOOLS DLLs have been renamed

What are the new OCR engine names?
The Advantage engine is now called the LEAD engine, and Professional is now OmniPage.

How does this affect my code?
All references to OcrEngineType will need to be updated to reflect the new values.
OcrEngineType.Advantage -> OcrEngineType.LEAD
OcrEngineType.Professional -> OcrEngineType.OmniPage
OcrEngineType.Arabic -> OcrEngineType.OmniPageArabic

Where are the new runtime files?
LEAD Engine: C:\LEADTOOLS 20\Bin\Common\OcrLEADRuntime
OmniPage Engine: C:\LEADTOOLS 20\Bin\Common\OcrOmniPageRuntime
OmniPage Engine 64-bit: C:\LEADTOOLS 20\Bin\Common\OcrOmniPageRuntime64
OmniPage Arabic Engine: C:\LEADTOOLS 20\Bin\Common\OCROmniPageArabicRuntime

What are the new libraries?
The following files are required for all engines:

Leadtools.Ocr.dll
Leadtools.dll
Leadtools.Forms.Common.dll
Leadtools.Codecs.dll
Leadtools.Document.Writer.dll
Leadtools.ImageProcessing.Core.dll

The LEAD engine requires Leadtools.OcrLEAD.Engine.dll and Leadtools.Ocr.Advantage.dll.
The OmniPage engine requires Leadtools.Ocr.OmniPageEngine.dll and Leadtools.Ocr.Professional.dll.
The OmniPage Arabic engine requires Leadtools.Ocr.OmniPageArabicEngine.dll and Leadtools.Ocr.Arabic.dll.

Nick Crook
Developer Support Engineer
LEAD Technologies, Inc.

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FAQ: Changes to LEADTOOLS OCR