static void Main(string[] args)
{
var engine = new Aspose.OCR.OcrEngine();
//Image _image = Image.FromStream(/* ?? throw new InvalidOperationException()*/);
engine.Image = ImageStream.FromFile(@"D:\cb035707ba69886349f3b0b6bc4e_1573200kn.png");
engine.Process();
var a = engine.Text;
}
public static void Run()
{
// ExStart:PerformOCROnPDF
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_OCR();
//Create an instance of Document to load the PDF
var pdfDocument = new Aspose.Pdf.Document(dataDir + "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);
}
}
}
// ExStart:PerformOCROnPDF
}
