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If so you can download any of the below versions for testing. The product will function as normal except for an evaluation limitation. At the time of purchase we provide a license file via email that will allow the product to work in its full capacity. If you would also like an evaluation license to test without any restrictions for 30 days, please follow the directions provided here.

Download Aspose.OMR Cloud Java SDK to Detect Human-marked Data


To use Aspose.OMR Cloud SDK for Java you need to register an account with Aspose Cloud and lookup/create Client ID and Client Secret at Cloud Dashboard. There is free quota available. For more details, see Aspose Cloud Pricing.

pom.xml Configuration

You can easily use aspose-cloud-omr for Java directly from a Maven based project by adding following configurations to the pom.xml.

Java REST API for OMR Processing in the Cloud

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Why Download Aspose.OMR Cloud SDK for Java?

Aspose.OMR Cloud SDK for Java is a wrapper around Aspose.OMR Cloud APIs. This SDK enables your Java Apps to perform optical mark recognition (OMR) operations on questionnaires, exams, MCQs, surveys, and other OMR sheets.

You can define your own templates and rules, detect the required data from the OMR digital sheets, perform grading of the extracted data and export it to the CSV format. No need to install any 3rd party software.

Mark-up for the template generation supports several types of elements, such as, text, choice-box (question), multi-column answer sheet, grid, images, QR-code and Aruco code types of barcodes.

OMR Cloud Processing Features

  • Perform recognition of scanned photos and images for OMR operations.
  • Ability to perform OMR on rotated & perspective (within 25 deg) photos.
  • Extract & recognize human-marked data from scanned tests, exams, surveys, etc.
  • Supports the export of OMR results to CSV file format.
  • Use textual markup to generate OMR templates, generate surveys, and test sheets.
  • Availability of GUI application for managing OMR templates.
  • Specify the number of OMR based questions & answers in the template.
  • Availability of GUI OMR editor as a cloud client.
  • Provide JSON rules to perform OMR answer grading.
  • Clip an area of interest from an image, save it as JPEG & perform OMR on it.
  • Perform highly accurate optical mark recognition (OMR).
  • Supports several configuration presets for image preprocessing.

OMR Cloud Storage Features

  • Upload, download, copy, move and delete files, including versions handling (if you are using Cloud storage that supports this feature - true by default).
  • Create, copy, move and delete folders.
  • Copy and move files and folders accross separate storages in scope of a single operation.
  • Check if certain file, folder or storage exists.

Save OMR As


Read OMR Formats



Building the API client library requires:

  1. Java 1.7+
  2. Maven

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