//your code here...///The sample code below shows how to perform OCR operations on PDF documents //[C# Code Sample] //Create an instance of Document to load the PDF var pdfDocument = new Aspose.Pdf.Document("D:/sample.pdf"); //Create an instance of OcrEngine for recognition var ocrEngine = new Aspose.OCR.OcrEngine(); //Iterate over the pages of PDF for (int pageCount = 1; pageCount <= pdfDocument.Pages.Count; pageCount++) { //Creating a MemoryStream to hold the image temporarily using (var imageStream = new System.IO.MemoryStream()) { //Create Resolution object with DPI value var resolution = new Aspose.Pdf.Devices.Resolution(300); //Create JPEG device with specified attributes (Width, Height, Resolution, Quality) //where Quality [0-100], 100 is Maximum var jpegDevice = new Aspose.Pdf.Devices.JpegDevice(resolution, 100); //Convert a particular page and save the image to stream jpegDevice.Process(pdfDocument.Pages[pageCount], imageStream); imageStream.Position = 0; //Set Image property of OcrEngine to the stream obtained from previous step ocrEngine.Image = Aspose.OCR.ImageStream.FromStream(imageStream, Aspose.OCR.ImageStreamFormat.Jpg); //Perform OCR operation on one page at a time if (ocrEngine.Process()) { Console.WriteLine(ocrEngine.Text); } } } //[VB.NET Code Sample] 'Create an instance of Document to load the PDF Dim pdfDocument = New Aspose.Pdf.Document("D:/Disclosure(SDK).pdf") 'Create an instance of OcrEngine for recoginition Dim ocrEngine = New Aspose.OCR.OcrEngine() 'Iterate over the pages of PDF For pageCount As Integer = 1 To pdfDocument.Pages.Count 'Creating a MemoryStream to hold the image temporarily Using imageStream = New System.IO.MemoryStream() 'Create Resolution object with DPI value Dim resolution = New Aspose.Pdf.Devices.Resolution(300) 'Create JPEG device with specified attributes (Width, Height, Resolution, Quality) 'where Quality [0-100], 100 is Maximum Dim jpegDevice = New Aspose.Pdf.Devices.JpegDevice(resolution, 100) 'Convert a particular page and save the image to stream jpegDevice.Process(pdfDocument.Pages(pageCount), imageStream) imageStream.Position = 0 'Set Image property of OcrEngine to the stream obtained from previous step ocrEngine.Image = Aspose.OCR.ImageStream.FromStream(imageStream, Aspose.OCR.ImageStreamFormat.Jpg) 'Perform OCR operation on one page at a time If ocrEngine.Process() Then Console.WriteLine(ocrEngine.Text) End If End Using Next pageCount