专业化阅读

using IronOcr;
using System;

var ocr = new IronTesseract();
ocr.Configuration.WhiteListCharacters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_";
using var inputLicensePlate = new OcrInput();
inputLicensePlate.LoadImage("plate.jpeg");

// Read license plate
OcrLicensePlateResult result = ocr.ReadLicensePlate(inputLicensePlate);

// Retrieve license plate number and confidence value
string output = $"{result.Text}\nResult Confidence: {result.Confidence}";
Console.WriteLine(output);

using IronOcr;
using System;

// Instantiate OCR engine
var ocr = new IronTesseract();
using var inputPassport = new OcrInput();
inputPassport.LoadImage("passport.jpg");

// Perform OCR
OcrPassportResult result = ocr.ReadPassport(inputPassport);

// Output name and passport number
Console.WriteLine(result.PassportInfo.GivenNames);
Console.WriteLine(result.PassportInfo.PassportNumber);

// Import the IronOCR namespace
using IronOcr;

// Create a new instance of IronTesseract for performing OCR operations
var Ocr = new IronTesseract();

// Set the OCR language to MICR to recognize magnetic ink characters

// Must have MICR (IronOcr.Languages.MICR) installed beforehand
Ocr.Language = OcrLanguage.MICR;

// Specify the file path of the input image containing MICR text
using (var Input = new OcrInput())
{
   Input.LoadImage("sampleChequeImage.png");

   // Run the OCR engine to read the MICR text from the input image 
   var Result = Ocr.Read(Input);

   // Output the recognized text to the console 
   Console.WriteLine(Result.Text);
}

using IronOcr;

// Instantiate IronTesseract
IronTesseract ocrTesseract = new IronTesseract();

// Enable barcode reading
ocrTesseract.Configuration.ReadBarCodes = true;

// Add PDF
using var imageInput = new OcrPdfInput("pdfWithBarcodes.pdf");

// Perform OCR
OcrResult ocrResult = ocrTesseract.Read(imageInput);

// Output detected barcodes and text values
Console.WriteLine(ocrResult.Text);
Console.WriteLine(ocrResult.Barcodes[0].Value);

using IronOcr;

var ocr = new IronTesseract();
using var input = new OcrInput();
input.LoadImage("sample.png");

// Make sure to also install IronOcr.Extensions.AdvancedScan to use this method
input.FindTextRegion(Scale: 2.0, DilationAmount: 20, Binarize: true, Invert: true);
OcrResult result = ocr.Read(input);
string resultText = result.Text;