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Euresys Open eVision Libraries

Image analysis libraries and software tools

Open eVision is a suite of reliable, powerful and flexible software tools dedicated to image processing and analysis. Open eVision contains a set of libraries designed to be integrated into your C++, .NET. The general-purpose libraries cover applications such as image filtering and enhancement, blob analysis, pattern matching, alignment and metrology. The mark inspection libraries include functions for optical character recognition, character printing inspection and 1D / 2D barcode reading.

Reasons to choose Euresys Open eVision Libraries


EasyDeepLearning contains functions for creating data sets, for classifier training and for image classification. Easy3D includes functions for 3D laser line extraction with a depth map.

Various options for licensing

Open eVision dongle-based licenses: Dongle-based licenses offer the flexibility to be transferred from a PC to another. To purchase a dongle-based license, select one of the Euresys dongles (USB or Parallel) plus the license(s) to be stored on this dongle. Licenses are delivered as activation codes, which are stored on the dongles.

Open eVision software-based licenses: Software-based licenses do not require any dongle, they are linked to the PC on which they have been activated. Licenses are delivered as activation codes and can be managed online.

Open eVision Bundles

Open eVision libraries can be purchased individually or in cost saving bundles. No development license is required.


  • Libraries: Hardware-independent libraries. Compatible with any image source, including frame grabbers, GigE Vision and USB3 Vision cameras
  • Software Versions: 64-bit and 32-bit libraries for C++ and .NET
  • Accuracy: sub-pixel measurement and calibration
  • Compatibility: Windows’ x86 processor architecture and a large variety of programming languages and development environments