HTML JPG OCR XML BMP
Aspose.OCR  for .NET
JSON

Convert DJVU to JSON 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 JSON using C#

Aspose.OCR for .NET is a powerful yet easy-to-use and cost-effective library for converting DJVU images to JSON 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 JSON

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

    JSON What is JSON File Format

    JSON (JavaScript Object Notation) is an open standard file format for sharing data that uses human-readable text to store and transmit data. JSON files are stored with the .json extension. JSON requires less formatting and is a good alternative for XML. JSON is derived from JavaScript but is a language-independent data format. The generation and parsing of JSON is supported by many modern programming languages. application/json is the media type used for JSON.

    Read More