FreeTrack

FreeTrack: Open Source Camera Tracking Software

FreeTrack is an open source, free camera tracking software for Windows. It uses a webcam to track specialized markers or LEDs to provide data to games and VR applications, allowing them to incorporate head tracking.

What is FreeTrack?

FreeTrack is a free, open source camera tracking software for Windows. It uses computer vision techniques to track movements of specialized markers or infrared LEDs mounted on a headset or other object. The positional tracking data it provides allows games and virtual reality applications to incorporate real-time head or object tracking for an immersive 3D experience.

To use FreeTrack, you need to set up a webcam positioned so that it can see the markers or LEDs on your headset or object you want to track. FreeTrack's image processing algorithms then identify the markers or LEDs in the webcam image and calculate their 3D position and orientation frame-by-frame. This tracking data is output over UDP where it can be picked up by games and other applications.

FreeTrack is commonly used in gaming for head tracking in flight and racing simulations. By having the game scene update based on the real-world motions of your head, it creates a very immersive first-person 3D view with parallax and the ability to intuitively look around the simulated game world. It works very well with games that support head tracking like flight simulators such as X-Plane.

Beyond gaming, FreeTrack can provide the rotational and translational head tracking needed for entry-level virtual reality applications. It delivers an affordable open source tracking option, although the accuracy and latency levels may not be suitable for all VR use cases. Overall, FreeTrack offers versatile free camera tracking that makes head tracking and basic object tracking accessible for games and simulations.

FreeTrack Features

Official Links