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#1 Posted : Thursday, March 28, 2019 12:19:19 PM(UTC)
Bob Montz

Groups: Registered
Posts: 9


I'm working on creating a V20 Leadtools OCR/OMR application using NuGet for the Leadtools files, but I'm having trouble getting the OmniPage engine created.

I've installed the NuGet Leadtools.Document.Sdk and Leadtools.Ocr (v20.0.0.4 - the latest) packages. I can successfully start the LEAD engine:

_ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD, false);,

but when I try to start the OmniPage engine:

_ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.OmniPage, false);

I get an error stating: "Could not load file or assembly 'Leadtools.Ocr.OmniPageEngine, Version=, Culture=neutral, PublicKeyToken=9cf889f53ea9b907'. The system cannot find the file specified.".

I manually added the Leadtools.OCR.OmniPageEngine assembly to the project, but I still get the same error.

Any ideas as to what I'm doing wrong?

As an additional question, are there any other Leadtools NuGet packages that should be installed? I'm doing OCR and OMR, scanning .pdf, .tiff, etc. formatted files. I tried to find a reference between NuGet packages and the Leadtools dll's, but I wasn't successful.

Thanks in advance,


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#2 Posted : Thursday, March 28, 2019 12:38:56 PM(UTC)

Groups: Registered, Tech Support, Administrators
Posts: 89

Was thanked: 4 time(s) in 4 post(s)

Hi Bob,

Unfortunately, our OmniPage OCR engine is not available in our NuGet packages.
We only offer our LEAD OCR engine.

Chris Thompson
Developer Support Engineer
LEAD Technologies, Inc.

#3 Posted : Friday, March 29, 2019 11:52:40 AM(UTC)
Bob Montz

Groups: Registered
Posts: 9

Thanks Chris - I didn't know that, but it sure explains the problem I've been having.

Have a great day,

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