Vietnamese OCR in C# and .NET

Curtis Chau

Updated: 2026年6月29日

本文档的其他版本：

越南语 *新增 125 种 OCR 语言

IronOCR 是一个 C# 软件组件，允许 .NET 程序员从图像和 PDF 文档中读取 126 种语言（包括越南语）的文本。

它是 Tesseract 的一个高级分支，专为 .NET 开发人员构建，在速度和准确性方面通常优于其他 Tesseract 引擎。

IronOcr.Languages.Vietnamese 的内容

此软件包包含 132 种适用于 .NET 的 OCR 语言：

越南语
越南语最佳
越南语Fast
越南语字母表
越南语字母表Best
越南语字母表Fast

下载

越南语语言包

下载为 ZIP
使用NuGet安装

安装

我们首先需要做的就是将我们的越南语OCR 包安装到您的 .NET 项目中。

PM > Install-Package IronOcr.Languages.Vietnamese

Install-Package IronOcr.Languages.Vietnamese

代码示例

此 C# 代码示例从图像或 PDF 文档中读取越南语文本。

// You need to install the IronOcr.Languages.Vietnamese package using the following NuGet command before running this code:
// PM> Install-Package IronOcr.Languages.Vietnamese

using IronOcr;

var Ocr = new IronTesseract();

// Set the OCR language to Vietnamese
Ocr.Language = OcrLanguage.Vietnamese;

using (var Input = new OcrInput(@"images\Vietnamese.png"))
{
    // Perform OCR on the input image
    var Result = Ocr.Read(Input);

    // Extract all recognized text
    var AllText = Result.Text;

    // Example: Output the extracted text to the console
    Console.WriteLine(AllText);
}

// You need to install the IronOcr.Languages.Vietnamese package using the following NuGet command before running this code:
// PM> Install-Package IronOcr.Languages.Vietnamese

using IronOcr;

var Ocr = new IronTesseract();

// Set the OCR language to Vietnamese
Ocr.Language = OcrLanguage.Vietnamese;

using (var Input = new OcrInput(@"images\Vietnamese.png"))
{
    // Perform OCR on the input image
    var Result = Ocr.Read(Input);

    // Extract all recognized text
    var AllText = Result.Text;

    // Example: Output the extracted text to the console
    Console.WriteLine(AllText);
}

' You need to install the IronOcr.Languages.Vietnamese package using the following NuGet command before running this code:
' PM> Install-Package IronOcr.Languages.Vietnamese

Imports IronOcr

Dim Ocr As New IronTesseract()

' Set the OCR language to Vietnamese
Ocr.Language = OcrLanguage.Vietnamese

Using Input As New OcrInput("images\Vietnamese.png")
    ' Perform OCR on the input image
    Dim Result = Ocr.Read(Input)

    ' Extract all recognized text
    Dim AllText = Result.Text

    ' Example: Output the extracted text to the console
    Console.WriteLine(AllText)
End Using

' You need to install the IronOcr.Languages.Vietnamese package using the following NuGet command before running this code:
' PM> Install-Package IronOcr.Languages.Vietnamese

Imports IronOcr

Dim Ocr As New IronTesseract()

' Set the OCR language to Vietnamese
Ocr.Language = OcrLanguage.Vietnamese

Using Input As New OcrInput("images\Vietnamese.png")
    ' Perform OCR on the input image
    Dim Result = Ocr.Read(Input)

    ' Extract all recognized text
    Dim AllText = Result.Text

    ' Example: Output the extracted text to the console
    Console.WriteLine(AllText)
End Using

在此代码示例中：