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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.Cpp to Read Human-marked Data

Open NuGet Package Manager within the Microsoft Visual Studio®, search for Aspose.OMR.Cpp and install. You may also use the following command within the Package Manager Console. For the detailed instructions please visit the Installation documentation page.

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It is a standalone on-premise API that helps in recognizing the human-marked data from images of scanned documents, surveys, questionnaires, quizzes, and examination papers.

Why download Aspose.OMR for C++?

Aspose.OMR for C++ not only acts as an Optical Mark Recognition engine. It also provides a handy graphical control that can be used for manual tuning of the threshold and markup to see changes in real-time.

OMR API Features

  • Recognition of scanned images and photos.
  • Ability to process rotated and perspective (side viewed) images.
  • Recognize data from tests, exams, questionnaires, surveys, etc.
  • High accuracy rate & ability to export the results in CSV format.
  • Create OMR templates.

Read Images for OMR

JPEG, PNG, GIF, TIFF, BMP

Save OMR Results As

CSV, JSON, XML



Direct Download

Aspose.OMR.Cpp.23.8.0

Updated dependencies to the latest versions.

Added: Downloads:

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File Size: 853.94KB

Aspose.OMR.Cpp.23.7.0

Added the ability to specify the page size of a generated OMR form.

Added: Downloads:

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File Size: 862.59KB