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Aspose.OCR for C++
Searchable PDF

 

Aspose.OCR for C++ Aspose.OCR for C++

Overview

Aspose.Imaging for Java

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

Aspose Maven Repository or specify Aspose Maven Repository configuration and install it within your Maven-based project by adding the following configurations to the pom.xml. For Graddle, Ivy, Sbt examples check out our repository .

Package Manager Console Command


  PM> Install-Package Aspose.OCR.Cpp

With C++ OCR and just a few lines of code, you can create full-featured application that converts an PDF image to Searchable PDF document:

  • Create an instance of AsposeOcr class
  • Call AsposeOCR.asposeocr_page() method
  • Pass the PDF file path as parameter
  • AsposeOCR.asposeocr_page returns a String or file of Searchable PDF type

System Requirements

Before running the example, make sure that Microsoft.ML.OnnxRuntime 1.7.0 or above is added to the project. It should be automatically installed if you install Aspose.OCR via NuGet Package Manager.

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


std::string img_path = "../srcSample.png";

// Prepare buffer for result (in symbols, len_byte = len * sizeof(wchar_t))
const size_t len = 4096;

wchar_t bfr[len] = { 0 };

size_t result = aspose::ocr::page(image_path.c_str(), bfr, len);

//Print result
std::wcout << bfr << L"\n";

    • PDF What is PDF File Format

    Portable Document Format (PDF) is a type of document created by Adobe back in 1990s. The purpose of this file format was to introduce a standard for representation of documents and other reference material in a format that is independent of application software, hardware as well as Operating System. The PDF file format has full capability to contain information like text, images, hyperlinks, form-fields, rich media, digital signatures, attachments, metadata, Geospatial features and 3D objects in it that can become as part of source document.

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    Searchable PDF What is Searchable PDF File Format

    Searchable PDF files retain the original scanned image for viewing, as well as OCR text in a hidden layer that can be used for full-text searches within a document or highlighting text for copy and paste operations. Full OCR conversion to PDF, not including the original image, will never retain 100% of the original formatting, especially if the document has many images or a complex layout.

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