OCR Image Optimization Filters

using IronOcr;

var Ocr = new IronTesseract();
using (var Input = new OcrInput(@"images\image.png"))
{
    Input.WithTitle("My Document");
    Input.Binarize();
    Input.Contrast();
    Input.Deskew();
    Input.DeNoise();
    Input.Dilate();
    Input.EnhanceResolution(300);
    Input.Invert();
    Input.Rotate(90);
    Input.Scale(150); // or Input.Scale(3000, 2000);
    Input.Sharpen();
    Input.ToGrayScale();

    // you don't need all of them
    // most users only need Deskew() and occasionally DeNoise() 

    
    // Optional: Export modified images so you can view them.
    foreach(var page in  Input.Pages){
          page.SaveAsImage("filtered.bmp")
    }
   

    var Result = Ocr.Read(Input);
    Console.WriteLine(Result.Text);
}

Imports IronOcr

Private Ocr = New IronTesseract()
Using Input = New OcrInput("images\image.png")
	Input.WithTitle("My Document")
	Input.Binarize()
	Input.Contrast()
	Input.Deskew()
	Input.DeNoise()
	Input.Dilate()
	Input.EnhanceResolution(300)
	Input.Invert()
	Input.Rotate(90)
	Input.Scale(150) ' or Input.Scale(3000, 2000);
	Input.Sharpen()
	Input.ToGrayScale()

	' you don't need all of them
	' most users only need Deskew() and occasionally DeNoise() 


	' Optional: Export modified images so you can view them.
	For Each page In Input.Pages
		  page.SaveAsImage("filtered.bmp")
	Next page


	Dim Result = Ocr.Read(Input)
	Console.WriteLine(Result.Text)
End Using