Vietnamese OCR in C# and .NET

Curtis Chau

Updated: 2026年6月29日

本文件的其他版本：

IronOCR 是一款 C# 軟體元件，讓 .NET 開發人員能夠從 126 種語言（包括越南語）的圖片和 PDF 文件中讀取文字。

這是 Tesseract 的進階分支版本，專為 .NET 開發人員打造，無論在速度或準確度方面，其表現均經常優於其他 Tesseract 引擎。

IronOcr.Languages.Vietnamese 內容

此套件包含 132 種適用於 .NET 的 OCR 語言：

越南語
越南文最佳
越南語Fast
越南語字母
越南語字母最佳
越南語字母Fast

下載

越南語語言套件 [Tiếng Việt]

下載為 ZIP
透過 NuGet 安裝

安裝

我們首先必須將越南語 OCR 套件安裝至您的 .NET 專案中。

PM > Install-Package IronOcr.Languages.Vietnamese

Install-Package IronOcr.Languages.Vietnamese

程式碼範例

此 C# 程式碼範例用於從圖片或 PDF 文件中讀取越南文內容。

// 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

在此程式碼範例中：