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Aspose.OCR  for .NET
XLS

Convert DJVU to XLS in C#

Perform optical character recognition on DJVU document and save text as DJVU document using Aspose.OCR for .NET library.

How to convert DJVU to XLS using C#

Aspose.OCR for .NET is a powerful yet easy-to-use and cost-effective library for converting DJVU images to XLS documents. Supporting 26 languages based on Latin, Cyrillic and Chinese, its state-of-the-art optical character recognition engine provides superior recognition speed and accuracy, while isolating you from formulas, neural networks, and other complex technical details. It allows you to add OCR functionality to your .NET applications in less than 10 lines of code.

Aspose.OCR for .NET

processes scanned images or even smartphone photos in DJVU format and creates DJVU documents containing recognized text. To add it to your project, you just need to install the Aspose.OCR

NuGet

package in your project with the following command:

Package Manager Console Command


  PM> Install-Package Aspose.OCR

Steps to Convert DJVU to XLS

With .NET OCR and just a few lines of code, you can create full-featured application that converts an DJVU image to XLS document:

  • Create an instance of AsposeOcr class
  • Call AsposeOCR.RecognizeImage method
  • Pass the DJVU file path as parameter
  • AsposeOCR.RecognizeImage returns a String or file of XLS type

System Requirements

Before running the example, make sure that .NET API compatible with NET Standard 2.0 specification is installed on your system and all external dependencies of Aspose.OCR package are referenced in your project.

  • NET Standard 2.0+ compatible solution
  • Aspose.OCR for .NET referenced in your project.

This sample code shows DJVU to XLS .NET Conversion


// initialize an instance of AsposeOcr
AsposeOcr ocr = new AsposeOcr();
// recognize image
string riText = ocr.RecognizeImage("template.DJVU");
// print text
File. File.WriteAllText("document.XLS", riText);
  • DJVU What is DJVU File Format

    DjVu, pronounced as “déjà vu”, is a graphics file format intended for scanned documents and books especially those which contain the combination of text, drawings, images and photographs. It was developed by AT&T Labs. It uses multiple techniques like image layer separation of text and background images, progressive loading, arithmetic coding and lossy compression for bitonal images. Since DJVU file can contain compressed yet high-quality colour images, photographs, text, and drawings and can be saved in less space therefore, it's used on web as eBooks, manuals, newspapers, ancient documents, etc.

    Read More

    XLS What is XLS File Format

    Files with XLS extension represent Excel Binary File Format. Such files can be created by Microsoft Excel as well as other similar spreadsheet programs such as OpenOffice Calc or Apple Numbers. File saved by Excel is known as Workbook where each workbook can have one or more worksheets. Data is stored and displayed to users in table format in worksheet and can span numeric values, text data, formulas, external data connections, images, and charts. Applications like Microsoft Excel lets you export workbook data to several different formats including PDF, CSV, XLSX, TXT, HTML, XPS, and several others. The XLS file format was replaced with a more open and structured format, XLSX, with the release of Microsoft Excel 2007. The latest versions still provide support for creating and reading XLS files, though XLSX is the first choice of use now.

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    Other Supported Conversions

    Using C#, one can easily convert different formats including.

    TXT (Text Document File)
    Text (Text Document File)
    DOC (Documents generated by Microsoft Word)
    DOCX (Microsoft Word documents)
    XLS (Microsoft Excel Binary File Format)
    XLSX (Microsoft Excel documents)
    PDF (Portable Document Format (PDF))
    Searchable PDF (Searchable Portable Network Graphics )
    XML (Extensible Markup Language)
    JSON (JavaScript Object Notation)