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OMR SDK: Automatic Template & Form Recognition

The GdPicture.NET forms processing engine provides an anchoring mechanism (also known as template recognition) and Optical Mark Recognition (OMR) features.

The anchoring mechanism can help to align the area to be processed by filters, OMR, OCR, or barcode recognition.

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OMR And Template Recognition Extension For GdPicture.NET SDK

GdPicture.NET Forms Processing Example


If several documents are scanned of the same form, and the scanning orientation or quality is not guaranteed, the GdPicture Anchoring System can be used to specify the orientation of each document and the translation made to each document from the one where the user selected their Areas (surrounding rectangles).

OMR (Optical Mark Recognition) helps to detect the content of a checkbox, fill-in-area , multiple choice examination form, or any area where highlighting is required to indicate a certain choice.

Main Features

  • Accurate & fast Optical Mark Detection (OMR) SDK for .NET.
  • Very fast & accurate Template recognition engine (Anchoring Mechanism).
  • Enhance OCR zoning accuracy.
  • Low memory usage.
  • AnyCPU: available in 32-bit & 64-bit versions.
  • Can work in multi-thread applications.

OMR Main Features

GdPicture.NET - How to use

How to use

Download and install GdPicture.NET package from here.

You will be able to find a compiled demo applications in
[Install directory]\Samples\Bin\

You will be able to find C# and VB.NET demo applications including source code in
[Install directory]\Samples\WinForm\

You will find other code snippets within the online reference guide found here GdPicture.NET Guides

You can find some discussions about Forms Processing in the dedicated section of our community forums located here Forms Processing

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