using IronOcr;
using IronSoftware.Drawing;
using System;

var ocrTesseract = new IronTesseract();

using (var ocrInput = new OcrInput("blue_and_pink.png"))
{
    ocrInput.WithTitle("Recolored");

    ocrInput.ReplaceColor(Color.Pink, Color.White, 10);
    // Pink detection has 10% tolerance

    ocrInput.ReplaceColor(Color.Blue, Color.Black, 5);
    // Blue detection has 5% tolerance

    // Export the modified image so you can manually inspect it.
    foreach (var page in ocrInput.Pages)
    {
        page.SaveAsImage($"black_and_white_page_{page.Index}.bmp");
    }

    var ocrResult = ocrTesseract.Read(ocrInput);
    Console.WriteLine(ocrResult.Text);
}

Imports IronOcr
Imports IronSoftware.Drawing
Imports System

Private ocrTesseract = New IronTesseract()

Using ocrInput As New OcrInput("blue_and_pink.png")
	ocrInput.WithTitle("Recolored")

	ocrInput.ReplaceColor(Color.Pink, Color.White, 10)
	' Pink detection has 10% tolerance

	ocrInput.ReplaceColor(Color.Blue, Color.Black, 5)
	' Blue detection has 5% tolerance

	' Export the modified image so you can manually inspect it.
	For Each page In ocrInput.Pages
		page.SaveAsImage($"black_and_white_page_{page.Index}.bmp")
	Next page

	Dim ocrResult = ocrTesseract.Read(ocrInput)
	Console.WriteLine(ocrResult.Text)
End Using