专业化阅读

超越普通文本。使用专用的高性能工具准确读取护照（MRZ）、支票（MICR）、车牌和条形码。

专业化阅读

读取车牌

建立强大的自动车牌识别 (ANPR) 系统，用于自动停车管理、安全门访问和车辆跟踪。我们的引擎经过训练，能够从各种角度、距离和照明条件下准确读取车牌。

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;

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);

Imports IronOcr
Imports System

Dim ocr = New IronTesseract()
ocr.Configuration.WhiteListCharacters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_"
Using inputLicensePlate = New OcrInput()
    inputLicensePlate.LoadImage("plate.jpeg")

    ' Read license plate
    Dim result As OcrLicensePlateResult = ocr.ReadLicensePlate(inputLicensePlate)

    ' Retrieve license plate number and confidence value
    Dim output As String = $"{result.Text}{vbLf}Result Confidence: {result.Confidence}"
    Console.WriteLine(output)
End Using

读取护照

通过即时从国际护照和身份证的机器可读区域 (MRZ) 提取数据，简化身份验证和客户入职流程。消除人工输入错误，加快办理登机手续或合规流程。

了解如何：在 C# 中使用 Read Passport

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);

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);

Imports IronOcr
Imports System

' Instantiate OCR engine
Dim ocr = New IronTesseract()
Using inputPassport = New OcrInput()
    inputPassport.LoadImage("passport.jpg")

    ' Perform OCR
    Dim result As OcrPassportResult = ocr.ReadPassport(inputPassport)

    ' Output name and passport number
    Console.WriteLine(result.PassportInfo.GivenNames)
    Console.WriteLine(result.PassportInfo.PassportNumber)
End Using

MICR 支票阅读

可靠读取支票上的 E-13B MICR 字体，实现银行存款处理和财务工作流程自动化。我们的专业引擎可确保路由号码、账户号码和支票金额等关键数据的最高准确性。

// 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);
}

// 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);
}

' Import the IronOCR namespace
Imports IronOcr

' Create a new instance of IronTesseract for performing OCR operations
Dim 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 Input = New OcrInput()
    Input.LoadImage("sampleChequeImage.png")

    ' Run the OCR engine to read the MICR text from the input image 
    Dim Result = Ocr.Read(Input)

    ' Output the recognized text to the console 
    Console.WriteLine(Result.Text)
End Using

阅读 BarCode 和 QR 码

检测和解码所有主要的一维和二维条形码格式，包括 QR 码。适用于库存管理、物流跟踪、销售点系统和移动票务应用的多功能解决方案。

了解如何：在.NET C#中读取 BarCode 和 QR 码

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;

// 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);

Imports IronOcr

' Instantiate IronTesseract
Dim ocrTesseract As New IronTesseract()

' Enable barcode reading
ocrTesseract.Configuration.ReadBarCodes = True

' Add PDF
Using imageInput = New OcrPdfInput("pdfWithBarcodes.pdf")
    ' Perform OCR
    Dim ocrResult As OcrResult = ocrTesseract.Read(imageInput)

    ' Output detected barcodes and text values
    Console.WriteLine(ocrResult.Text)
    Console.WriteLine(ocrResult.Barcodes(0).Value)
End Using

计算机视觉 OCR

利用计算机视觉的强大功能，使用我们训练有素的高级模型检测文本。IronOCR 利用 OpenCV 来识别图像中包含文本的区域，尤其有助于识别文档中存在大量噪点和分散文本块的图像！

了解如何：计算机视觉中的OCR 教程（许可证、字幕、发票）

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;

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;

Imports IronOcr

Dim ocr = New IronTesseract()
Using 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)
    Dim result As OcrResult = ocr.Read(input)
    Dim resultText As String = result.Text
End Using