How to Read Images

using IronOcr;

// This code utilizes the IronOCR library to perform OCR (Optical Character Recognition)
// on an image file, extracting text from the image.
// Ensure you have installed the IronOCR NuGet package to run this code.

// Instantiate an instance of IronTesseract, the main OCR engine in the IronOCR library.
var ocrTesseract = new IronTesseract();

// Open an image file as an input for OCR processing.
// Here, "Potter.png" is used as the sample image.
// The 'using' statement ensures that the resource is disposed of correctly after use.
using (var imageInput = new OcrInput("Potter.png"))
{
    // Perform OCR on the input image.
    // The 'Read' method processes the image and returns the extracted text in an OcrResult object.
    OcrResult ocrResult = ocrTesseract.Read(imageInput);

    // Display the extracted text or use it as needed.
    // 'System.Console.WriteLine' is used to output the text to the console.
    System.Console.WriteLine(ocrResult.Text);
}

Imports IronOcr



' This code utilizes the IronOCR library to perform OCR (Optical Character Recognition)

' on an image file, extracting text from the image.

' Ensure you have installed the IronOCR NuGet package to run this code.



' Instantiate an instance of IronTesseract, the main OCR engine in the IronOCR library.

Private ocrTesseract = New IronTesseract()



' Open an image file as an input for OCR processing.

' Here, "Potter.png" is used as the sample image.

' The 'using' statement ensures that the resource is disposed of correctly after use.

Using imageInput = New OcrInput("Potter.png")

	' Perform OCR on the input image.

	' The 'Read' method processes the image and returns the extracted text in an OcrResult object.

	Dim ocrResult As OcrResult = ocrTesseract.Read(imageInput)



	' Display the extracted text or use it as needed.

	' 'System.Console.WriteLine' is used to output the text to the console.

	System.Console.WriteLine(ocrResult.Text)

End Using

using IronOcr;
using System.IO;

// Create an instance of IronTesseract for performing OCR operations.
IronTesseract ocrTesseract = new IronTesseract();

// Read all bytes from the specified image file. This file should exist in the same directory as the executable or provide the full path.
byte[] data = File.ReadAllBytes("Potter.tiff");

// Using the byte array, create an instance of OcrInput. This object represents the input image for OCR processing.
using var imageInput = new OcrInput(data);

// Perform OCR on the provided image input. The OCR engine extracts the text content from the image.
OcrResult ocrResult = ocrTesseract.Read(imageInput);

// Output the recognized text to the console. The recognized text is obtained from the OcrResult object.
System.Console.WriteLine(ocrResult.Text);

Imports IronOcr

Imports System.IO



' Create an instance of IronTesseract for performing OCR operations.

Private ocrTesseract As New IronTesseract()



' Read all bytes from the specified image file. This file should exist in the same directory as the executable or provide the full path.

Private data() As Byte = File.ReadAllBytes("Potter.tiff")



' Using the byte array, create an instance of OcrInput. This object represents the input image for OCR processing.

Private imageInput = New OcrInput(data)



' Perform OCR on the provided image input. The OCR engine extracts the text content from the image.

Private ocrResult As OcrResult = ocrTesseract.Read(imageInput)



' Output the recognized text to the console. The recognized text is obtained from the OcrResult object.

System.Console.WriteLine(ocrResult.Text)

// Using directives for necessary namespaces
using IronOcr;
using IronSoftware.Drawing;
using System;

// Instantiate IronTesseract, a library for OCR (Optical Character Recognition)
IronTesseract ocrTesseract = new IronTesseract();

// Specify the crop region - the rectangular area of the image to be analyzed
// Parameters are (x: start position, y: start position, width: width of the rectangle, height: height of the rectangle)
var scanRegion = new System.Drawing.Rectangle(800, 200, 900, 400);

try
{
    // Load the image from given file and specify the region for OCR by setting ContentArea property
    using var imageInput = new OcrInput("Potter.tiff");

    // Ensure the region is set only if it's within the bounds of the image
    imageInput.ContentArea = scanRegion;
    
    // Perform OCR on the specified region of the image
    OcrResult ocrResult = ocrTesseract.Read(imageInput);

    // Output the recognized text to the console
    Console.WriteLine(ocrResult.Text);
}
catch (Exception ex)
{
    // Catch and display any exceptions during image processing or OCR
    Console.WriteLine($"An error occurred: {ex.Message}");
}

' Using directives for necessary namespaces

Imports IronOcr

Imports IronSoftware.Drawing

Imports System



' Instantiate IronTesseract, a library for OCR (Optical Character Recognition)

Private ocrTesseract As New IronTesseract()



' Specify the crop region - the rectangular area of the image to be analyzed

' Parameters are (x: start position, y: start position, width: width of the rectangle, height: height of the rectangle)

Private scanRegion = New System.Drawing.Rectangle(800, 200, 900, 400)



Try

	' Load the image from given file and specify the region for OCR by setting ContentArea property

	Dim imageInput = New OcrInput("Potter.tiff")



	' Ensure the region is set only if it's within the bounds of the image

	imageInput.ContentArea = scanRegion



	' Perform OCR on the specified region of the image

	Dim ocrResult As OcrResult = ocrTesseract.Read(imageInput)



	' Output the recognized text to the console

	Console.WriteLine(ocrResult.Text)

Catch ex As Exception

	' Catch and display any exceptions during image processing or OCR

	Console.WriteLine($"An error occurred: {ex.Message}")

End Try