EasyOCV

Optical Character Verification Library

At a glance
  • Comprehensive character verification with automatic training
  • Grayscale analysis
  • Text and character-level inspection
  • Contrast, position and shape defect detection

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Open eVision Studio development and prototyping tool

Open eVision Studio is the development and prototyping tool of Open eVision. It includes a scripting function that generates code (C++, C# and Visual Basic ActiveX) using easy to understand menus and dialog boxes. The generated code can then be copied and pasted into your application's source code.


Inspection

When a template model is ready, the inspection may take place. EasyOCV first locates the marking in the image, allowing it to be translated, rotated and re-scaled or even sheared with respect to the template. After location, grey-level and geometric comparisons are performed and a series of matching scores, called quality indicators, are computed. When these fall outside of given acceptance intervals, a defect warning is reported.


EasyOCV Description

EasyOCV is an optical character verification tool used for mark inspection. It provides automatic training of the model, adjustable acceptance levels and a robust gray-scale analysis. EasyOCV is suitable for various mark inspection and label printing verification applications. It can detect blurred, misaligned, distorted or double marks, extra or missing ink, missing characters or reversed marks as well as contrast problems.


Choose the most suitable Licensing System

  • 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.


Training

EasyOCV first requires training on the particular marking. During this phase, a good-quality template (golden template) is presented to the system. An interactive utility allows defining the structure of the template and related acceptance criteria, in details. The template learnt can be saved for later use.

EasyOCV supports the use of several good-quality templates to help with the determination of the acceptance criteria.


Software
Host PC Operating System
  • Open eVision is a set of 32-bit and 64-bit libraries that require a processor compatible with the SSE2 instruction set.
  • Open eVision can be used on the following operating systems:
    • Windows 10, 8 and 7 (32- and 64-bits)
    • Windows Vista 32-bits Service Pack 1
    • Windows XP 32-bits Service Pack 3
    • Windows Server 2008 32-bits
    • Windows Server 2008 R2 64-bits
    • Windows Server 2003 32-bit Service Pack 1
    • Windows Embedded Standard 2009 32-bits
  • The Open eVision installer does not allow installation on virtual machines.
  • Minimum requirements:
    • Display size: 800 x 600. 1280 x 1024 recommended.
    • Color depth: 16 bits. 32 bits recommended.
    • Between 20 MB and 300 MB free hard disk space for libraries, depending on selected options.
    • Between 60 MB and 400 MB free hard disk space for development tools, depending on selected options.
APIs Supported Integrated Development Environments and Programming Languages:
  • Microsoft Visual Studio 6.0 SP6 (C++, Basic)
  • Microsoft Visual Studio .NET 2003 SP1 (C++)
  • Microsoft Visual Studio 2005 SP1 (C++, C#, VB .NET, C++/CLI)
  • Microsoft Visual Studio 2008 SP1 (C++, C#, VB .NET, C++/CLI)
  • Microsoft Visual Studio 2010 (C++, C#, VB .NET, C++/CLI)
  • Microsoft Visual Studio 2012 (C++, C#, VB .NET, C++/CLI)
  • Microsoft Visual Studio 2013 (C++, C#, VB .NET, C++/CLI)
  • Borland C++ Builder 6.0 update 4 (C++)
  • CodeGear C++ Builder 2009 (C++)
  • CodeGear Delphi 2009 (Object Pascal)
  • Embarcadero RAD Studio XE4 (C++, Object Pascal)
  • Embarcadero RAD Studio XE5 (C++, Object Pascal)
Ordering Information
Product code - Description

Label and packaging inspection: Inspection of the quality of the printing of characters and codes

Open eVision
  Download File size Operating system
Release Notes Open_eVision_Release_Notes_2.0.1.pdf 0.7 MB Windows
Documentation open-evision-activex-code-snippets-2.0.710.pdf 4 MB Windows
open-evision-activex-reference-2.0.710.pdf 9.6 MB Windows
open-evision-cpp-code-snippets-2.0.710.pdf 3.9 MB Windows
open-evision-cpp-reference-2.0.710.pdf 10 MB Windows
open-evision-dotnet-code-snippets-2.0.710.pdf 3.9 MB Windows
open-evision-dotnet-reference-2.0.710.pdf 10 MB Windows
open-evision-functional-guide-2.0.710.pdf 12 MB Windows
Open eVision - EasyOCR2 User’s Guide.pdf 0.7 MB Windows
Setup Files Open_eVision_2.0.1.10024_Installer.msi 0.2 GB Windows
  • Borland Delphi 6.0 was supported up to Open eVision 1.0.1.5222
  • Borland Delphi 2006 was supported up to Open eVision 1.0.1.5222
  • Borland C++ Builder 2006 was supported up to Open eVision 1.0.1.5222
  • Microsoft Windows 2000 was supported up to Open eVision 1.0.1.5222
eVision
  Download File size Operating system
Release Notes eVision 6.7.1.490 Release Notes.pdf 0.4 MB Windows
Documentation Documentation Update for CD2006-1.pdf 0.5 MB Windows
Readme - eVision Update Tool.pdf 0.8 MB Windows
Documentation Update since CD2006-1.pdf 0.2 MB Windows
Setup Files eVision_Update_6_7_1_490.exe 38 MB Windows
eVision_6_7_1_0.iso 0.5 GB Windows
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