About Aspose.OMR for .NET

Recognize data from photos and scans of commonly used image formats.

Aspose.OMR for .NET is an optical marks recognition API for recognizing optical marks from multiple image formats including JPG, BMP, GIF, TIF, TIFF. After performing OMR operations on these images, the API saves the output in CSV format. Moreover, the OMR reader API allows you to capture human-marked data from documents like questionnaires, surveys, MCQ papers and more. The API recognizes scanned images and even photos from all these sources with high accuracy.

Supported File Formats

Printable Forms

  • PDF
  • JPEG
  • PNG
  • TIFF
  • GIF
  • BMP

Recognition Results

  • CSV
  • JSON
  • XML

Advanced .NET OMR Formats Manipulation API Features

  • Supports all image formats you can get from a scanner or camera.
  • Use your smartphone camera instead of a scanner.
  • Reads all types of marks drawn with a pen, pencil or marker.
  • Personalize forms with barcodes, QR codes, branding and images.
  • Real-time accuracy tuning through a visual UI control.
  • Recognizes multi-page forms and all images in a folder.
  • Supports all popular paper sizes as well as non-standard ones.
  • Processes write-in fields and custom drawings.
  • Superior recognition accuracy even in difficult conditions.