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

Build forms

  • Plain text
  • JSON
  • Programmatically

Scan forms

  • PDF
  • Scans: JPEG, PNG, TIFF, GIF, BMP
  • Photos: JPEG, PNG

Recognize forms

  • CSV
  • JSON
  • XML

Features and capabilities

  • No equipment needed - Use your existing office copier or even a smartphone camera instead of a specialized OMR reader.
  • Full personalization - Personalize OMR forms by adding automatically generated QR codes and barcodes, images, signature fields, and more.
  • Reliable results - Robust optical mark detection algorithms coupled with the capability to fine-tune recognition provide accurate results.
  • Whole solution - Aspose.OMR for .NET supports the complete OMR workflow - from designing a form to recognizing its filled hardcopies.
  • All paper sizes - Supports all popular paper sizes and a number of non-standard ones.
  • Scan with a smartphone - Use your smartphone camera instead of a scanner.
  • No design tools needed - Quickly create OMR forms without external editors and design tools.
  • QR and barcodes - Personalize forms with automatically generated barcodes and QR codes.
  • Accuracy tuning - Fine-tune recognition parameters for perfect results in any conditions.
  • Batch processing - Recognize all images in a folder with a single command.
  • Multi-page forms - Create and recognize OMR forms that extend across multiple pages.
  • Localization - LTR and RTL text direction and native numbering systems.
  • Branding and customization - Customize OMR forms by adding your logo, images, footers, and more.