The C# OCR Library

using System;
using IronOcr;
//..
var Ocr = new AutoOcr();
var Result = Ocr.Read(@"C:\path\to\image.png");
Console.WriteLine(Result.Text);

Imports System
Imports IronOcr
Dim Ocr As var = New AutoOcr
Dim Result As var = Ocr.Read("C:\path\to\image.png")
Console.WriteLine(Result.Text)

using IronOcr;
//..
var Ocr = new AdvancedOcr()
{
    CleanBackgroundNoise = true,
    EnhanceContrast = true,
    EnhanceResolution = true,
    Language =  IronOcr.Languages.English.OcrLanguagePack,
    Strategy = IronOcr.AdvancedOcr.OcrStrategy.Advanced,
    ColorSpace = AdvancedOcr.OcrColorSpace.Color,
    DetectWhiteTextOnDarkBackgrounds = true,
    InputImageType = AdvancedOcr.InputTypes.AutoDetect,
    RotateAndStraighten = true,
    ReadBarCodes = true,
    ColorDepth = 4
};

var testImage = @"C:\path\to\scan.tiff";

var Results = Ocr.Read(testImage);

var Barcodes = Results.Barcodes.Select(b => b.Value);

Console.WriteLine(Results.Text);
Console.WriteLine("Barcodes:" + String.Join(",", Barcodes));

Imports IronOcr
Dim Ocr As var = New AdvancedOcr
Dim testImage As var = "C:\path\to\scan.tiff"
Dim Results As var = Ocr.Read(testImage)
Dim Barcodes As var = Results.Barcodes.Select(() => {  }, b.Value)
Console.WriteLine(Results.Text)
Console.WriteLine(("Barcodes:" + String.Join(",", Barcodes)))

var Ocr = new IronOcr.AutoOcr();
var Results = Ocr.ReadPdf(@"C:\Users\Me\Desktop\Invoice.pdf");


var Barcodes = Results.Barcodes;
var Text = Results.Text;
Console.WriteLine(Text);

Dim Ocr As var = New IronOcr.AutoOcr
Dim Results As var = Ocr.ReadPdf("C:\Users\Me\Desktop\Invoice.pdf")
Dim Barcodes As var = Results.Barcodes
Dim Text As var = Results.Text
Console.WriteLine(Text)

using IronOcr;

var Ocr = new AdvancedOcr()
{
    CleanBackgroundNoise = false,
    ColorDepth = 4,
    ColorSpace = AdvancedOcr.OcrColorSpace.Color,
    EnhanceContrast = false,
    DetectWhiteTextOnDarkBackgrounds = false,
    RotateAndStraighten = false,
    Language = IronOcr.Languages.English.OcrLanguagePack,
    EnhanceResolution = false,
    InputImageType = AdvancedOcr.InputTypes.Document,
    ReadBarCodes = true,
    Strategy = AdvancedOcr.OcrStrategy.Fast
};

var PagesToRead = new []{1,2,3};
var Results = Ocr.ReadPdf(@"C:\Users\Me\Desktop\Invoice.pdf", PagesToRead);
var Pages = Results.Pages;
var Barcodes = Results.Barcodes;
var FullPdfText = Results.Text;

Imports IronOcr
Dim Ocr As var = New AdvancedOcr
Dim PagesToRead As var
,2
,3
UnknownDim Results As var = Ocr.ReadPdf("C:\Users\Me\Desktop\Invoice.pdf", PagesToRead)
Dim Pages As var = Results.Pages
Dim Barcodes As var = Results.Barcodes
Dim FullPdfText As var = Results.Text

using IronOcr;
using System;
using System.Drawing; //Add Assembly Reference


// How to read just a rectangular portion of an image or PDF

var Ocr = new AutoOcr();

var X = 100; //px
var Y = 225;
var Width = 300;
var Height = 125;

var CropArea = new Rectangle(X,Y,Width,Height);

var Result = Ocr.Read(@"C:\path\to\image.png", CropArea );

// This approach works equally well with IronOcr.AdvancedOCR and PDF documents

Console.WriteLine(Result.Text);

Imports IronOcr
Imports System
Imports System.Drawing
Dim Ocr As var = New AutoOcr
Dim X As var = 100
Dim Y As var = 225
Dim Width As var = 300
Dim Height As var = 125
Dim CropArea As var = New Rectangle(X, Y, Width, Height)
Dim Result As var = Ocr.Read("C:\path\to\image.png", CropArea)
' This approach works equally well with IronOcr.AdvancedOCR and PDF documents
Console.WriteLine(Result.Text)

using IronOcr;
using System;

// 19 Languages are currently supported by IronOCR
// To use them, please install the language packs (below) as required
var Ocr = new AdvancedOcr()
{
    Language = IronOcr.Languages.Arabic.OcrLanguagePack,
    ColorSpace = AdvancedOcr.OcrColorSpace.GrayScale,
    EnhanceResolution = true,
    EnhanceContrast = true,
    CleanBackgroundNoise = true,
    ColorDepth = 4,
    RotateAndStraighten = false,
    DetectWhiteTextOnDarkBackgrounds = false,
    ReadBarCodes = false,
    Strategy = AdvancedOcr.OcrStrategy.Fast,
    InputImageType = AdvancedOcr.InputTypes.Document
};

var results = Ocr.Read(@"path\to\arabic\document.png");

Console.WriteLine(results.Text);

Imports IronOcr
Imports System
Dim Ocr As var = New AdvancedOcr
Dim results As var = Ocr.Read("path\to\arabic\document.png")
Console.WriteLine(results.Text)

using IronOcr;
using System;
using System.Collections.Generic;
using System.Drawing; //Add Assembly Reference

// We can delve deep into OCR results as an object model of
// Pages, Barcodes, Paragraphs, Lines, Words and Characters
var Ocr = new AdvancedOcr()
{
    Language = IronOcr.Languages.English.OcrLanguagePack,
    ColorSpace = AdvancedOcr.OcrColorSpace.GrayScale,
    EnhanceResolution = true,
    EnhanceContrast = true,
    CleanBackgroundNoise = true,
    ColorDepth = 4,
    RotateAndStraighten = false,
    DetectWhiteTextOnDarkBackgrounds = false,
    ReadBarCodes = true,
    Strategy = AdvancedOcr.OcrStrategy.Fast,
    InputImageType = AdvancedOcr.InputTypes.Document
};

var results = Ocr.Read(@"path\to\document.png");

foreach (var page in results.Pages)
{
    // page object
    int page_number = page.PageNumber;
    String page_text = page.Text;
    int page_wordcount = page.WordCount;
    List<OcrResult.OcrBarcode> barcodes = page.Barcodes;

    System.Drawing.Image page_image = page.Image;

    int page_width_px = page.Width;
    int page_height_px = page.Height;

    foreach (var paragraph in page.Paragraphs)
    {
        // pages -> paragraphs

        int paragraph_number = paragraph.ParagraphNumber;
        String paragraph_text = paragraph.Text;
        System.Drawing.Image paragraph_image = paragraph.Image;
        int paragraph_x_location = paragraph.X;
        int paragraph_y_location = paragraph.Y;
        int paragraph_width = paragraph.Width;
        int paragraph_height = paragraph.Height;
        double paragraph_ocr_accuracy = paragraph.Confidence;
        string paragraph_font_name = paragraph.FontName;
        double paragraph_font_size = paragraph.FontSize;
        OcrResult.TextFlow paragrapth_text_direction = paragraph.TextDirection;
        double paragrapth_rotation_degrees = paragraph.TextOrientation;

        foreach (var line in paragraph.Lines)
        {
            // pages -> paragraphs -> lines
            int line_number = line.LineNumber;
            String line_text = line.Text;
            System.Drawing.Image line_image = line.Image;
            int line_x_location = line.X;
            int line_y_location = line.Y;
            int line_width = line.Width;
            int line_height = line.Height;
            double line_ocr_accuracy = line.Confidence;
            double line_skew = line.BaselineAngle;
            double line_offset = line.BaselineOffset;

            foreach (var word in line.Words)
            {
                // pages -> paragraphs -> lines -> words
                int word_number = word.WordNumber;
                String word_text = word.Text;
                System.Drawing.Image word_image = word.Image;
                int word_x_location = word.X;
                int word_y_location = word.Y;
                int word_width = word.Width;
                int word_height = word.Height;
                double word_ocr_accuracy = word.Confidence;
                String word_font_name = word.FontName;
                double word_font_size = word.FontSize;
                bool word_is_bold = word.FontIsBold;
                bool word_is_fixed_width_font = word.FontIsFixedWidth;
                bool word_is_italic = word.FontIsItalic;
                bool word_is_serif_font = word.FontIsSerif;
                bool word_is_underlined = word.FontIsUnderlined;

                foreach (var character in word.Characters)
                {
                    // pages -> paragraphs -> lines -> words -> characters
                    int character_number = character.CharacterNumber;
                    String character_text = character.Text;
                    System.Drawing.Image character_image = character.Image;
                    int character_x_location = character.X;
                    int character_y_location = character.Y;
                    int character_width = character.Width;
                    int character_height = character.Height;
                    double character_ocr_accuracy = character.Confidence;
                }
            }
        }
    }
}

Imports IronOcr
Imports System
Imports System.Collections.Generic
Imports System.Drawing
Dim Ocr As var = New AdvancedOcr
Dim results As var = Ocr.Read("path\to\document.png")
For Each page In results.Pages
    ' page object
    Dim page_number As Integer = page.PageNumber
    Dim page_text As String = page.Text
    Dim page_wordcount As Integer = page.WordCount
    Dim barcodes As List(Of OcrResult.OcrBarcode) = page.Barcodes
    Dim page_image As System.Drawing.Image = page.Image
    Dim page_width_px As Integer = page.Width
    Dim page_height_px As Integer = page.Height
    For Each paragraph In page.Paragraphs
        ' pages -> paragraphs
        Dim paragraph_number As Integer = paragraph.ParagraphNumber
        Dim paragraph_text As String = paragraph.Text
        Dim paragraph_image As System.Drawing.Image = paragraph.Image
        Dim paragraph_x_location As Integer = paragraph.X
        Dim paragraph_y_location As Integer = paragraph.Y
        Dim paragraph_width As Integer = paragraph.Width
        Dim paragraph_height As Integer = paragraph.Height
        Dim paragraph_ocr_accuracy As Double = paragraph.Confidence
        Dim paragraph_font_name As String = paragraph.FontName
        Dim paragraph_font_size As Double = paragraph.FontSize
        Dim paragrapth_text_direction As OcrResult.TextFlow = paragraph.TextDirection
        Dim paragrapth_rotation_degrees As Double = paragraph.TextOrientation
        For Each line In paragraph.Lines
            ' pages -> paragraphs -> lines
            Dim line_number As Integer = line.LineNumber
            Dim line_text As String = line.Text
            Dim line_image As System.Drawing.Image = line.Image
            Dim line_x_location As Integer = line.X
            Dim line_y_location As Integer = line.Y
            Dim line_width As Integer = line.Width
            Dim line_height As Integer = line.Height
            Dim line_ocr_accuracy As Double = line.Confidence
            Dim line_skew As Double = line.BaselineAngle
            Dim line_offset As Double = line.BaselineOffset
            For Each word In line.Words
                ' pages -> paragraphs -> lines -> words
                Dim word_number As Integer = word.WordNumber
                Dim word_text As String = word.Text
                Dim word_image As System.Drawing.Image = word.Image
                Dim word_x_location As Integer = word.X
                Dim word_y_location As Integer = word.Y
                Dim word_width As Integer = word.Width
                Dim word_height As Integer = word.Height
                Dim word_ocr_accuracy As Double = word.Confidence
                Dim word_font_name As String = word.FontName
                Dim word_font_size As Double = word.FontSize
                Dim word_is_bold As Boolean = word.FontIsBold
                Dim word_is_fixed_width_font As Boolean = word.FontIsFixedWidth
                Dim word_is_italic As Boolean = word.FontIsItalic
                Dim word_is_serif_font As Boolean = word.FontIsSerif
                Dim word_is_underlined As Boolean = word.FontIsUnderlined
                For Each character In word.Characters
                    ' pages -> paragraphs -> lines -> words -> characters
                    Dim character_number As Integer = character.CharacterNumber
                    Dim character_text As String = character.Text
                    Dim character_image As System.Drawing.Image = character.Image
                    Dim character_x_location As Integer = character.X
                    Dim character_y_location As Integer = character.Y
                    Dim character_width As Integer = character.Width
                    Dim character_height As Integer = character.Height
                    Dim character_ocr_accuracy As Double = character.Confidence
                Next
            Next
        Next
    Next
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