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Aspose.OCR  for .NET
JSON

Convert PNG to JSON in C#

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

How to convert PNG to JSON using C#

Aspose.OCR for .NET is a powerful yet easy-to-use and cost-effective library for converting PNG 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 PNG format and creates PNG 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 PNG to JSON

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

  • Create an instance of AsposeOcr class
  • Call AsposeOCR.RecognizeImage method
  • Pass the PNG 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 PNG to JSON .NET Conversion


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

    PNG, Portable Network Graphics, refers to a type of raster image file format that use loseless compression. This file format was created as a replacement of Graphics Interchange Format (GIF) and has no copyright limitations. However, PNG file format does not support animations. PNG file format supports loseless image compression that makes it popular among its users. With the passage of time, PNG has evolved as one of the mostly used image file format. Almost all Operating Systems have support for opening PNG files. For example, Microsoft Windows viewer has the capability to open PNG files as the OS has by default the support available as part of installation.

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    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