What is Voyant Vision?


Voyant Vision is a FREE library of software functions that make developing machine vision solutions easier. It’s brought to you by Lecky Integration, a consulting business with more than 20 year's experience creating customized machine vision systems that integrate cameras, lighting, and specialized software for use in factory automation, inspection, transportation and security applications.

This is the same software we use for our customers, so you can be sure it’s lab- and field-tested in some of the most demanding, real-world environments for the most exacting, real-world clients.

So why are we offering it for free? Because that’s just the kind of people we are. We love machine vision, we love software, and we love sharing what we know. You’ll find more than 600 super slick and totally free functions for everything from OCR and pattern recognition to color processing, bar-code reading as well as traditional metrology, presence/absence, edge finding and geometric mathematical operations. Grab the download and jump right into the machine vision love!


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Linux - Version 4.3 Windows - Version 4.3
By checking this box you are agreeing to the Voyant Vision License Agreement. You must accept this agreement in order to download the library.


A custom solution?

We work with a variety of OEMs to create proprietary software solutions in pharmaceutical, transportation, manufacturing, security and other industries. Just send a note to Ned Lecky, PhD (Ned.Lecky@lecky.com) outlining your needs and we'll get the conversation started.



VCam Interface
No time to learn another API? With our VCam interface you can easily get up and running with almost any industrial camera!
User Interface
Designer? Developer? Writer? No worries – we have complete graphics overlay support.
Flexible Error Checking
Built-in error handling and reporting application can also be used as a debugging terminal for programming use.
Instant documentation
Voyant automatically generates all documentation so you don’t have to!

In-place execution
Our goal is always to make things simple, so with Voyant you are only one download away from speed, memory, and development.
Simple Transformations
Fully automated coordinate transformation for regions of interest and real-world coordinates.
Built-In features
Error handling, reporting, debugging, coordinate transformation, and more are already worked into Voyant.
Multiple Platforms
Voyant supports Windows and Linux with both versions running the same exact base code.

Caring Company

We're committed to helping create the next generation of geeks. That's why we donate scholarships for kids to go to math, science and technology camps. If you're using Voyant and like it, make a donation and we'll pass it on to SummerITeens program, which exposes kids to everything from robotics to programming, cyber security, and solar energy.


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