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OMR SDK Technology

LEADTOOLS provides fast and accurate Optical Mark Recognition SDK technology for .NET (C# & VB, Core, Xamarin, UWP), C/C++, iOS, macOS, Linux, Java, and web developers. Leverage the LEADTOOLS OMR toolkit to rapidly develop robust, high-performance recognition applications that detect whether boxes are checked and bubbles are filled within surveys and tests, saving time and money over manual data entry and inspection. LEADTOOLS OMR SDK technology includes specialized functions that automatically detect structured and loosely structured bubble layouts, helping your end-users quickly define new master forms. LEADTOOLS OMR does not restrict your end-users to using specific OMR forms designs that required specialized equipment to be processed. LEADTOOLS OMR can evaluate marked survey results to provide detailed statistics and compare marked tests against an answer key to calculate grades.

Overview of LEADTOOLS OMR SDK Technology

  • Fast, accurate, and reliable optical mark recognition for use in any application and environment
    • Large volume document batch processing
    • Single and multi-page documents
    • Web and Cloud applications
  • Programmer and user-friendly tools for processing large numbers of test sheets and surveys with hundreds of bubbles
    • Rapidly define master form templates by clicking and dragging over large multiple-choice bubble groups
    • Evaluates filled test forms against optional answer key to provide grading
    • Evaluates filled survey forms to generate detailed statistics
    • Eliminates the need for special hardware to design and print your own forms
  • Utilize multiple cores for unparalleled performance
  • Full-featured SDK
    • High-level classes for one-shot recognition from image to final document
    • Low-level functionality for full customization
  • Full-page analysis and zonal recognition
  • Unique color and bitonal image recognition for scanned documents and pictures
  • Automatic document cleanup
    • Omni-directional noise removal
    • Undither text
    • Dot matrix correction
    • Option to remove lines from tables
  • Automatic document preprocessing
    • Deskew of scanned document
    • Detect and correct the orientation of the document (flipped or reversed) with single and multi-page modes
  • Integrates seamlessly with LEADTOOLS Forms Recognition and Processing
  • Implement large-scale distributed OMR applications using LEADTOOLS Distributed Computing SDK

Automatic Zone Recognition
Automatically segments an image into various zones which can improve recognition accuracy and efficiency

Manual Zone Recognition
Allow the user to draw and recognize text from specific regions of interest

Zone Types

  • Paragraph
  • Text
  • Numeric
  • Table
  • MICR
  • Graphic

Technology Related to OMR

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LEADTOOLS provides NuGet packages for .NET Framework, .NET Core, UWP, and Xamarin development. Download projects that reference our NuGets and start coding right away.

Supported Development Platforms for OMR

Documentation Links for OMR

Screenshots of OMR

OMR Forms for Large Exam Sheet

OMR Forms for Large Exam Sheet

OMR

OMR

Videos of OMR

How to Use Master Forms Editor Demo

In this video, we will explain how to use the LEADTOOLS Master Forms Editor demo to create and edit master form templates and categories, add and edit text and OMR fields, and use forms processing to extract the data from filled forms.

LEADTOOLS SDK Products that Include OMR

LEADTOOLS Recognition v20

The LEADTOOLS Recognition Imaging SDK is a handpicked collection of LEADTOOLS SDK features designed to build end-to-end document imaging applications within enterprise-level document automation solutions that require OCR, MICR, OMR, barcode, forms recognition and processing, PDF, print capture, archival, annotation, and image viewing functionality. This powerful set of tools utilizes LEAD's award-winning image processing technology to intelligently identify document features that can be used to recognize and extract data from any type of scanned or faxed form image.

LEADTOOLS Document Imaging Suite v20

The LEADTOOLS Document Imaging Suite SDK is a comprehensive collection of LEADTOOLS SDK features designed to build end-to-end document imaging solutions that require OCR, MICR, OMR, ICR, barcode, forms recognition and processing, PDF, HTML5 Zero-footprint viewing, conversion, print, capture, archival, annotation, and image viewing functionality. This powerful set of tools utilizes LEAD's award-winning image processing technology to intelligently identify document features that can be used to recognize and extract data from any type of scanned or faxed form image.

LEADTOOLS OCR Module - LEAD Engine v20

LEADTOOLS OCR Module - LEAD Engine is an add-on product for integrating optical character recognition (OCR), magnetic ink character recognition (MICR), and optical mark recognition (OMR) technology into applications and provides everything programmers need to develop robust, high-performance, and scalable image recognition solutions. LEADTOOLS OCR Module - LEAD Engine seamlessly integrates with LEADTOOLS SDKs in the Document and Medical product lines.