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#1 Posted : Wednesday, October 20, 2021 10:31:36 PM(UTC)

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Posts: 2

I scanned a 152 page music book and I'd like to OCR it so it would be searchable but what I'm getting is all garbled looking. I don't even know what I'm seeing. The original is very nice and high quality.
Screen Shot 2021-10-20 at 8.35.48 PM.png

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#2 Posted : Thursday, October 21, 2021 8:24:42 AM(UTC)
Matthew Bresson

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Posts: 94

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Hello Dave,

My name is Matt and I am a member of the LEADTOOLS Support Team.
I will be happy to assist you with any questions your may have.

I am unaware of the code that you are using to convert your images to PDF, but from your description and the image provided it looks like for your use-case, you will need to set the ImageOverText property to true. ImageOverText adds a raster image overlay to the top of each pages in the resulting document. In your case the output PDF represents how the OCR Engine sees the document.

using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD))
//Startup the LEADTOOLS OCR Engine
ocrEngine.Startup(null, null, null, null);

PdfDocumentOptions _pdfOptions = ocrEngine.DocumentWriterInstance.GetOptions(DocumentFormat.Pdf) as PdfDocumentOptions;
_pdfOptions.ImageOverText = true;
ocrEngine.DocumentWriterInstance.SetOptions(DocumentFormat.Pdf, _pdfOptions);

//Run the AutoRecognizeManager and specify PDF format
ocrEngine.AutoRecognizeManager.Run(inputFile, outputFile, DocumentFormat.Pdf, null, null);
Console.WriteLine($"OCR output saved to {outputFile}");

If you have any further questions please feel free to reach back out to us.

Matt Bresson
Developer Support Engineer
LEAD Technologies, Inc.
#3 Posted : Thursday, October 21, 2021 8:30:58 AM(UTC)

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Posts: 2

That did the trick! Thank you very much.
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