Aspose.OCR  for Java

Aspose.Imaging for Java

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 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 .

Maven Dependency


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

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

System Requirements

Before running the example, make sure that Java 2 Platform, Standard Edition (J2SE) 6.0 (1.6) or later is installed on your system.

  • JDK 1.6 or higher is installed.

 //Create API instance
 AsposeOCR api = new AsposeOCR();

 //Prepare rectangles with texts.
 ArrayList rectArray = new ArrayList();

 rectArray.add(new Rectangle(138, 352, 2033, 537));
 rectArray.add(new Rectangle(147, 890, 2033, 1157));

 String result = api.RecognizePage("srcImage.png", rectArray);
 System.out.println("Result with rect: " + result);
  • 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.

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    XLSX What is XLSX File Format

    XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.

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