Aspose.OMR for Java provides the following features: recognition of scanned images and photos, the ability to process rotated and perspective images, recognition of data from tests, exams, questionnaires and surveys, high accuracy rate, a GUI for correcting complex cases, export of results to CSV and PDF file formats, and generation of OMR templates using text markup.
Aspose.OMR for .NET supports the following 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
GUI for correcting complex cases
Export the results to CSV and PDF file format
Generate OMR Templates using text markup
General Features
Written completely in C#
API reference in HTML and Microsoft Help format
Supported .NET Frameworks (4.0, 4.0_ClientProfile, 4.5.0, 4.5.1, 4.6.0 and 4.6.2)
32-bit OS support
64-bit OS support
Limitations
Recognition process works only with prepared templates (special markers will be drawn over the users form)
Performing OCR operation is also not supported for now
OMR operation will show results only in text format
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