.NET OCR SDK with AI-powered text recognition

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using GdPictureImaging gdpictureImaging = new GdPictureImaging();
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// Select the image to process.
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int imageID = gdpictureImaging.CreateGdPictureImageFromFile(@"C:\temp\source.png");
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// Scan the barcodes.
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gdpictureImaging.Barcode1DReaderDoScan(imageID);
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// Determine the number of scanned barcodes.
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int barcodeCount = gdpictureImaging.Barcode1DReaderGetBarcodeCount();
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string content = "";
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if (barcodeCount > 0)
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{
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    content = "Number of barcodes scanned: " + barcodeCount.ToString();
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    // Save the value of each barcode.
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    for (int i = 1; i <= barcodeCount; i++)
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    {
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        content += $"\nBarcode Number: {i} Value: {gdpictureImaging.Barcode1DReaderGetBarcodeValue(i)}";
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    }
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}
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// Write the values to the console.
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Console.WriteLine(content);
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// Release unnecessary resources.
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gdpictureImaging.Barcode1DReaderClear();
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gdpictureImaging.ReleaseGdPictureImage(imageID);

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Using gdpictureImaging As GdPictureImaging = New GdPictureImaging()
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    ' Select the image to process.
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    Dim imageID As Integer = gdpictureImaging.CreateGdPictureImageFromFile("C:\temp\source.png")
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    ' Scan the barcodes.
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    gdpictureImaging.Barcode1DReaderDoScan(imageID)
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    ' Determine the number of scanned barcodes.
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    Dim barcodeCount As Integer = gdpictureImaging.Barcode1DReaderGetBarcodeCount()
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    Dim content = ""
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    If barcodeCount > 0 Then
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        content = "Number of barcodes scanned: " & barcodeCount.ToString()
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        ' Save the value of each barcode.
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        For i = 1 To barcodeCount
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            content = content & vbLf & "Barcode Number: " & i.ToString() & "    Value: " & gdpictureImaging.Barcode1DReaderGetBarcodeValue(i).ToString()
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        Next
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    End If
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    ' Write the values to the console.
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    Console.WriteLine(content);
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    ' Release unnecessary resources.
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    gdpictureImaging.Barcode1DReaderClear()
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    gdpictureImaging.ReleaseGdPictureImage(imageID)
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End Using

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using GdPicturePDF gdpicturePDF = new GdPicturePDF();
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using GdPictureImaging gdpictureImaging = new GdPictureImaging();
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using GdPictureOCR gdpictureOCR = new GdPictureOCR();
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// Select the image to process.
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int imageID = gdpictureImaging.CreateGdPictureImageFromFile(@"C:\temp\source.png");
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// Set the OCR parameters.
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gdpictureOCR.SetImage(imageID);
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gdpictureOCR.ResourceFolder = @"C:\GdPicture.NET 14\Redist\OCR";
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gdpictureOCR.AddLanguage(OCRLanguage.English);
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// Run the OCR process.
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string resID = gdpictureOCR.RunOCR();
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// Get the result of the OCR process as text.
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string content = gdpictureOCR.GetOCRResultText(resID);
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// Save the result in a PDF document.
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gdpicturePDF.CreateFromText(PdfConformance.PDF, 595, 842, 10, 10, 10, 10,
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TextAlignment.TextAlignmentNear, content, 12, "Arial", false, false, true, false);
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gdpicturePDF.SaveToFile(@"C:\temp\output.pdf");
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gdpictureImaging.ReleaseGdPictureImage(imageID);

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Using gdpicturePDF As GdPicturePDF = New GdPicturePDF()
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Using gdpictureImaging As GdPictureImaging = New GdPictureImaging()
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Using gdpictureOCR As GdPictureOCR = New GdPictureOCR()
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    ' Select the image to process.
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    Dim imageID As Integer = gdpictureImaging.CreateGdPictureImageFromFile("C:\temp\source.png")
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    ' Set the OCR parameters.
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    gdpictureOCR.SetImage(imageID)
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    gdpictureOCR.ResourceFolder = "C:\GdPicture.NET 14\Redist\OCR"
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    gdpictureOCR.AddLanguage(OCRLanguage.English)
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    ' Run the OCR process.
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    Dim resID As String = gdpictureOCR.RunOCR()
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    ' Get the result of the OCR process as text.
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    Dim content As String = gdpictureOCR.GetOCRResultText(resID)
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    ' Save the result in a PDF document.
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    gdpicturePDF.CreateFromText(PdfConformance.PDF, 595, 842, 10, 10, 10, 10, TextAlignment.TextAlignmentNear, content, 12, "Arial", False, False, True, False)
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    gdpicturePDF.SaveToFile("C:\temp\output.pdf")
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    gdpictureImaging.ReleaseGdPictureImage(imageID)
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End Using
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End Using
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End Using

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using GdPictureImaging gdpictureImaging = new GdPictureImaging();
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using GdPicturePDF gdpicturePDF = new GdPicturePDF();
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// Store the handle of the active windows in a variable.
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IntPtr WINDOW_HANDLE = IntPtr.Zero;
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// Select the scanner.
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gdpictureImaging.TwainSelectSource(WINDOW_HANDLE);
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gdpictureImaging.TwainOpenDefaultSource(WINDOW_HANDLE);
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// (Optional) Hide the scanning user interface.
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gdpictureImaging.TwainSetHideUI(true);
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// Create the destination PDF document.
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gdpicturePDF.NewPDF(PdfConformance.PDF);
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// Get the image from the scanner.
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int imageID = gdpictureImaging.TwainAcquireToGdPictureImage(WINDOW_HANDLE);
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// Add the scanned image to a new page in the destination document.
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gdpicturePDF.AddImageFromGdPictureImage(imageID, false, true);
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// Run the OCR process.
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gdpicturePDF.OcrPage("eng", @"C:\GdPicture.NET 14\Redist\OCR", "", 300);
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// Save the result in a PDF document.
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gdpicturePDF.SaveToFile(@"C:\temp\output.pdf");
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// Release unnecessary resources.
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gdpictureImaging.ReleaseGdPictureImage(imageID);
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gdpictureImaging.TwainCloseSource();

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Using gdpictureImaging As GdPictureImaging = New GdPictureImaging()
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Using gdpicturePDF As GdPicturePDF = New GdPicturePDF()
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    ' Store the handle of the active windows in a variable.
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    Dim WINDOW_HANDLE = IntPtr.Zero
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    ' Select the scanner.
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    gdpictureImaging.TwainSelectSource(WINDOW_HANDLE)
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    gdpictureImaging.TwainOpenDefaultSource(WINDOW_HANDLE)
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    ' (Optional) Hide the scanning user interface.
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    gdpictureImaging.TwainSetHideUI(True)
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    ' Create the destination PDF document.
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    gdpicturePDF.NewPDF(PdfConformance.PDF)
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    ' Get the image from the scanner.
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    Dim imageID As Integer = gdpictureImaging.TwainAcquireToGdPictureImage(WINDOW_HANDLE)
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    ' Add the scanned image to a new page in the destination document.
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    gdpicturePDF.AddImageFromGdPictureImage(imageID, False, True)
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    ' Run the OCR process.
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    gdpicturePDF.OcrPage("eng", "C:\GdPicture.NET 14\Redist\OCR", "", 300)
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    ' Save the result in a PDF document.
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    gdpicturePDF.SaveToFile("C:\temp\output.pdf")
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    ' Release unnecessary resources.
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    gdpictureImaging.ReleaseGdPictureImage(imageID)
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    gdpictureImaging.TwainCloseSource()
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End Using
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End Using

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using GdPicturePDF gdpicturePDF = new GdPicturePDF();
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// Load the source document.
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gdpicturePDF.LoadFromFile(@"C:\temp\source.pdf");
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// Determine the number of pages.
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int pageCount = gdpicturePDF.GetPageCount();
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// Loop through the pages of the source document.
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for (int i = 1; i <= pageCount; i++)
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{
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    // Select a page and run the OCR process on it.
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    gdpicturePDF.SelectPage(i);
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    gdpicturePDF.OcrPage("eng", @"C:\GdPicture.NET 14\Redist\OCR", "", 300);
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}
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// Save the result in a new PDF document.
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gdpicturePDF.SaveToFile(@"C:\temp\output.pdf");
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gdpicturePDF.CloseDocument();

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Using gdpicturePDF As GdPicturePDF = New GdPicturePDF()
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    ' Load the source document.
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    gdpicturePDF.LoadFromFile("C:\temp\source.pdf")
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    ' Determine the number of pages.
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    Dim pageCount As Integer = gdpicturePDF.GetPageCount()
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    ' Loop through the pages of the source document.
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    For i = 1 To pageCount
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        ' Select a page and run the OCR process on it.
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        gdpicturePDF.SelectPage(i)
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        gdpicturePDF.OcrPage("eng", "C:\GdPicture.NET 14\Redist\OCR", "", 300)
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    Next
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    ' Save the result in a new PDF document.
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    gdpicturePDF.SaveToFile("C:\temp\output.pdf")
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    gdpicturePDF.CloseDocument()
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End Using

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using GdPicturePDF gdpicturePDF = new GdPicturePDF();
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using GdPictureImaging gdpictureImaging = new GdPictureImaging();
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using GdPictureOCR gdpictureOCR = new GdPictureOCR();
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// Select the image to process.
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int imageID = gdpictureImaging.CreateGdPictureImageFromFile(@"C:\temp\source.png");
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// Set the OCR parameters.
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gdpictureOCR.SetImage(imageID);
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gdpictureOCR.ResourceFolder = @"C:\GdPicture.NET 14\Redist\OCR";
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gdpictureOCR.AddLanguage(OCRLanguage.English);
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// Run the OCR process.
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string resID = gdpictureOCR.RunOCR();
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// Get the result of the OCR process as text.
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string content = gdpictureOCR.GetOCRResultText(resID);
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// Save the result in a PDF document.
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gdpicturePDF.CreateFromText(PdfConformance.PDF_A_4f, 595, 842, 10, 10, 10, 10,
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    TextAlignment.TextAlignmentNear, content, 12, "Arial", false, false, true, false);
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gdpicturePDF.SaveToFile(@"C:\temp\output.pdf");
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gdpictureImaging.ReleaseGdPictureImage(imageID);

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Using gdpicturePDF As GdPicturePDF = New GdPicturePDF()
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Using gdpictureImaging As GdPictureImaging = New GdPictureImaging()
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Using gdpictureOCR As GdPictureOCR = New GdPictureOCR()
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    ' Select the image to process.
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    Dim imageID As Integer = gdpictureImaging.CreateGdPictureImageFromFile("C:\temp\source.png")
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    ' Set the OCR parameters.
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    gdpictureOCR.SetImage(imageID)
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    gdpictureOCR.ResourceFolder = "C:\GdPicture.NET 14\Redist\OCR"
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    gdpictureOCR.AddLanguage(OCRLanguage.English)
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    ' Run the OCR process.
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    Dim resID As String = gdpictureOCR.RunOCR()
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    ' Get the result of the OCR process as text.
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    Dim content As String = gdpictureOCR.GetOCRResultText(resID)
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    ' Save the result in a PDF document.
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    gdpicturePDF.CreateFromText(PdfConformance.PDF_A_4f, 595, 842, 10, 10, 10, 10,
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        TextAlignment.TextAlignmentNear, content, 12, "Arial", False, False, True, False)
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    gdpicturePDF.SaveToFile("C:\temp\output.pdf")
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    gdpictureImaging.ReleaseGdPictureImage(imageID)
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End Using
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End Using
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End Using