Java Library to Analyze OMR Forms & Extract Data

Getting Started with Aspose.OMR for Java

The recommend way to use Aspose.OMR for Java is via Maven Repository. Specify Aspose Maven Repository location by adding the following lines to your Maven pom.xml configuration file.

 //First you need to specify Aspose Repository configuration / location in your Maven pom.xml as follows:

<repositories>
	<repository>
	<id>AsposeJavaAPI</id>
	<name>Aspose Java API</name>
	<url>https://releases.aspose.com/java/repo/</url>
	</repository>
</repositories>

//Define Aspose.PDF for Java API Dependency

<dependencies>
	<dependency>
	<groupId>com.aspose</groupId>
	<artifactId>aspose-omr</artifactId>
	<version>23.5</version>
    <version>jdk6</version>
	</dependency>
</dependencies>

Add OMR Capabilities inside Java Apps

Aspose.OMR for Java has provided several important features for working with OMR file formats inside Java applications. The library supports the recognition of various OMR elements such as checkboxes, grids, and text areas. This comprehensive coverage makes it suitable for a wide array of applications, from simple surveys to complex assessments. It supports the loading and processing of OMR images enabling users to load an image, process it, and extract valuable data. The following example shows how to load an existing image and extract data from it.

import com.aspose.omr.imageprocessing.*;
// Load an OMR image
OmrImage omrImage = OmrImage.load("sample_image.png");
// Process the image
RecognitionResult result = omrEngine.recognizeImage(omrImage, template);
// Extract data from the result
OmrPage omrPage = result.getPage(0);

Perfect Data Extraction via Java API

Aspose.OMR for Java employs advanced algorithms to accurately extract data from scanned images or documents. This ensures precision in reading marked bubbles, checkboxes, and other OMR elements, minimizing errors in data interpretation. Software developers can access individual elements on the page and retrieve the marked values with just a couple of lines of Java code. The library supports multiple languages, ensuring flexibility for developers catering to diverse user bases. The following example shows how software developers can access OMR page and retrieve marked values inside Java applications.

// Access grid on the page
OmrGrid omrGrid = omrPage.get(0);
// Retrieve marked values from the grid
List> markedValues = omrGrid.getMarkedValues();

Create OMR Forms/Templates via Java

Aspose.OMR for Java makes it easy for software developers to create an OMR form such as a customer satisfaction survey or answer sheet with just a couple of lines of Java code. The library enables Software developers to define the layout of their forms, including the placement of OMR elements and any associated text or graphics, customize page size, select font, font colors and more. This flexibility ensures that the library can adapt to diverse use cases. The following example shows how to Configure form layout and add images to it inside Java applications.

OmrEngine engine = new OmrEngine();
// Configure form layout
GlobalPageSettings pageSettings = new GlobalPageSettings();
pageSettings.PaperSize = PaperSize.Letter;
// Add images
InputStream logoStream = ReadFile("sources/logo.png");
ImageCollection images = new ImageCollection();
images.add("logo.png", logoStream);
// Generate form
GenerationResult res = engine.generateTemplate("source.txt", images, pageSettings);

Flexibility and Integration

Aspose.OMR for Java seamlessly integrates into Java applications, providing software developers with a flexible and efficient solution for OMR implementation. Its ease of integration ensures that software developers can enhance their existing systems without a steep learning curve. The library comes with thorough documentation and dedicated support, making it easy for users to navigate the library's features and troubleshoot any issues. This commitment to user assistance ensures a smooth development process.